CHANGELOG.md

Unreleased (development)

7.0.0.6 20191122

• Add colorpicker to WebUI by Christian Staars (#6984)
• Change new Fade system much smoother, Speed now up to 40 (#6942, #3714)
• Fix Arduino IDE function prototyping compile error (#6982)

7.0.0.5 20191118

• Fix boot loop regression
• Add command TempOffset -12.6 .. 12.6 to set global temperature sensor offset (#6958)
• Fix check deepsleep for valid values in Settings (#6961)
• Fix Wifi instability when light is on, due to sleep=0 (#6961, #6608)
• Add hardware detection to be overruled with SetOption51 (#6969)

7.0.0.4 20191108

• Add command WifiPower 0 .. 20.5 to set Wifi Output Power which will be default set to 17dBm
• Change supported PCF8574 I2C address range to 0x20 - 0x26 allowing other I2C devices with address 0x27 to be used at the same time
• Change supported PCF8574A I2C address range to 0x39 - 0x3F allowing other I2C devices with address 0x38 to be used at the same time
• Change supported MCP230xx I2C address range to 0x20 - 0x26 allowing other I2C devices with address 0x27 to be used at the same time
• Add Keep last channels values when Color command end with '=' (#6799)
• Add support for I2C sensor TLS2591 Light Intensity sensor (#6873)
• Change Kept only NEC/RC5/RC6/HASH IR protocols in standard Tasmota, all other protocols require Tasmota-IR, saving 4K
• Add command SetOption76 0/1 to enable incrementing bootcount when deepsleep is enabled (#6930)
• Change Reset erase end address from as seen by SDK (getFlashChipSize) to full flash size (getFlashChipRealSize)
• Change Zigbee log verbosity reduction

7.0.0.3 20191103

• Add command I2cDriver for I2C driver runtime control using document I2CDEVICES.md
• Fix random crash caused by UPNP flood
• Add support for Honeywell HPMA115S0 particle concentration sensor by David Hunt (#6843)
• Remove driver xsns_12_ads1115_i2cdev replaced by xsns_12_ads1115

7.0.0.2 20191102

• Add command WebColor19 to control color of Module and Name (#6811)
• Add support for Honeywell I2C HIH series Humidity and Temperetaure sensor (#6808)
• Fix wrong Dimmer behavior introduced with #6799 when SetOption37 < 128
• Change add DS18x20 support in Tasmota-IR
• Add Zigbee command support, considered as v1.0 for full Zigbee support
• Fix Reduce flash size after change to IRremoteESP8266 v2.7.0

7.0.0.1 20191027

• Remove update support for versions before 6.0
• Change default GUI to dark theme
• Add command SetOption73 0/1 to re-enable HTTP Cross-Origin Resource Sharing (CORS) now default disabled (#6767)
• Add frequency to ADE7953 energy monitor as used in Shelly 2.5 by ljakob (#6778)
• Add command SetOption74 0/1 to enable DS18x20 internal pull-up and remove define DS18B20_INTERNAL_PULLUP (#6795)
• Fix better control of RGB/White when SetOption37 >128, added Dimmer1 and Dimmer2 commands (#6714)
• Add hide Alexa objects with friendlyname starting with '$' (#6722, #6762)
• Add command SetOption75 0/1 to switch between grouptopic (0) using fulltopic replacing %topic% or (1) is cmnd/<grouptopic> (#6779)
• Change IRremoteESP8266 library to v2.7.0

6.7.1.1 20191026

• Change ArduinoSlave to TasmotaSlave
• Add support for Tuya battery powered devices (#6735)
• Change repository name from Sonoff-Tasmota to Tasmota and all code references from Sonoff to Tasmota

Released

6.7.1 20191026

• Release
• Fix on energy monitoring devices using PowerDelta Exception0 with epc1:0x4000dce5 = Divide by zero (#6750)
• Fix Script array bug (#6751)

6.7.0 20191025

• Release

6.6.0.21 20191022

• Remove support for WPS and SmartConfig in favour of Web server (!) based WifiManager (#6680)
• Remove binary sonoff-classic (#6680)
• Remove command SetOption2

6.6.0.20 20191018

• Add command SetOption65 0/1 to disable (1) fast power cycle detection fixing unwanted brownout trigger
• Add absolute PowerDelta using command PowerDelta 101..32000 where 101 = 101-100 = 1W, 202 = 202-100 = 102W (#5901)
• Add support for EX-Store WiFi Dimmer V4 (#5856)
• Add ZigbeeRead command and many improvements (#6095)
• Add ArduinoSlave driver (EXPERIMENTAL)

6.6.0.19 20191018

• Replace obsolete xsns_23_sdm120 with xnrg_08_sdm120 and consolidate define USE_SDM120
• Replace obsolete xsns_25_sdm630 with xnrg_10_sdm630 and consolidate define USE_SDM630
• Replace obsolete xsns_49_solaxX1 with xnrg_12_solaxX1 (#6677)

6.6.0.18 20191010

• Add command DimmerRange in Light module to support 2 byte dimming ranges from Tuya
• Add Zigbee additional commands and sending messages to control devices (#6095)
• Fix Rules were not triggered with IR unknown protocol or in sonoff-it (#6629)
• Add define USE_DEEPSLEEP and command DeepSleepTime 0 or 10..86400 (seconds) to enter deepsleep mode (#6638)
• Add define USE_SONOFF_RF to enable/disable Sonoff Rf support (#6648)
• Add incremental beeps to Ifan03 remote control fan speed buttons (#6636)
• Add rule support after every command execution like Fanspeed#Data=2 (#6636)
• Fix handling of ligth channels when pwm_multichannel (Option68) is enabled
• Add WebUI for multiple, independent PWM channels
• Remove default DS18B20 driver and only support define DS18x20 (#6647)
• Add support for PMS3003 dust particle sensor
• Change Sonoff L1 support by adding define USE_SONOFF_L1

6.6.0.17 20191009

• Add command SetOption34 0..255 to set backlog delay. Default value is 200 (mSeconds) (#6562)
• Add command Gpio 255 to show physical GPIO configuration of all non-flash pins (#6407)

6.6.0.16 20191008

• Change PZEM004T default address mask from 0.0.0.x to 192.168.1.x for legacy reason (#6585)
• Fix PZEM004T, PZEMAC and PZEMDC autodetection (#6585)
• Change light drivers internals to ease management

6.6.0.15 20191003

• Change command PulseTime JSON message format and allow display of all pulsetimer information (#6519)
• Add support for Chint DDSU666 Modbus energy meter by Pablo Zerón
• Add support for SM2135 as used in Action LSC Smart Led E14 (#6495)
• Add command SetOption72 0/1 to switch between software (0) or hardware (1) energy total counter (#6561)
• Add Zigbee tracking of connected devices and auto-probing of Manuf/Model Ids
• Fix better handling of PWM White Temperature mode for Module 48 (#6534)

6.6.0.14 20190925

• Change command Tariffx to allow time entries like 23 (hours), 1320 (minutes) or 23:00. NOTE: As this is development branch previous tariffs are lost! (#6488)
• Remove support for define USE_DS18x20_LEGACY and legacy DS18x20 driver (#6486)
• Add initial support for MQTT logging using command MqttLog <loglevel> (#6498)
• Add Zigbee more support - collect endpoints and clusters, added ZigbeeDump command
• Add initial support for shutters by Stefan Bode (#288)
• Add command to MCP230xx: sensor29 pin,0/1/2 for OFF/ON/TOGGLE
• Add initial support for PCF8574 I2C I/O Expander (currently output only) by Stefan Bode
• Add command SetOption71 0/1 to switch between different Modbus Active Energy registers on DDS238-2 energy meters (#6531)
• Change command SetOption43 to make it more general. Now supports PS_16_DZ driver too (#6544)
• Change command handling by moving buffers up in chain solving MQTTlog support (#6529)
• Change detection of non-MQTT commands by allowing non-space characters as delimiter (#6540)
• Fix TasmotaSerial: move serial send to IRAM for high speed baud rates

6.6.0.13 20190922

• Add command EnergyReset4 x,x to initialize total usage for two tarrifs
• Add command EnergyReset5 x,x to initialize total export (or production) for two tarrifs
• Add command Sensor34 8,0 and Sensor34 8,1 to disable/enable JSON message on weight change over 4 gram
• Add JSON array index support to rules evaluation allowing trigger on ENERGY#POWER[2]>0.60 from JSON ..,"Power":[0.00,0.68],.. (#6160)

6.6.0.12 20190910

• Redesign command Tariff to now default to 0 (=disabled) and allowing to set both Standard Time (ST) and Daylight Savings Time (DST) start hour
• Commands Tariff1 22,23 = Tariff1 (Off-Peak) ST,DST Tariff2 (Standard) 6,7 = Tariff2 ST,DST Tariff9 0/1 = Weekend toggle (1 = Off-Peak during weekend)
• Change rename "Data" to "Hash" and limit to 32 bits when receiving UNKNOWN IR protocol (see DECODE_HASH from IRremoteESP8266)
• Add command Gpios 255/All to show all available GPIO components (#6407)
• Change JSON output format for commands Adc, Adcs, Modules, Gpio and Gpios from list to dictionary (#6407)
• Add Zigbee support phase 3 - support for Xiaomi lumi.weather air quality sensor, Osram mini-switch
• Change energy sensors for three phase/channel support
• Add support for Shelly 2.5 dual energy (#6160)
• Add initial support for up to three PZEM-014/-016 on serial modbus connection with addresses 1 (default), 2 and 3 (#2315)
• Add initial support for up to three PZEM-004T on serial connection with addresses x.x.x.1 (default), 2 and 3 (#2315)
• Add initial support for up to three PZEM-003/-017 on serial modbus connection with addresses 1 (default), 2 and 3 (#2315)
• Add driver USE_SDM630_2 as future replacement for USE_SDM630 - Pls test and report
• Add command ModuleAddress 1/2/3 to set Pzem module address when a single module is connected (#2315)

6.6.0.11 20190907

• Change Settings crc calculation allowing short term backward compatibility
• Add support for up to 4 INA226 Voltage and Current sensors by Steve Rogers (#6342)
• Change Improve reliability of TasmotaSerial at 115200 bauds and reduce IRAM usage for Stage/pre-2.6
• Add support for A4988 stepper-motor-driver-circuit by Tim Leuschner (#6370)
• Add support for Hiking DDS238-2 Modbus energy meter by Matteo Campanella (#6384)

6.6.0.10 20190905

• Redesign Tuya support by Shantur Rathore removing commands SetOption34, 41, 44, 45, 46 and 65 (#6353)
• Add command Reset 99 to reset bootcount to zero (#684, #6351)
• Change command Time 1/2/3 to select JSON time format ISO, ISO + Epoch or Epoch for legacy reason

6.6.0.9 20190828

• Change theoretical baudrate range to 300..19660500 bps in 300 increments (#6294)
• Add Full support of all protocols in IRremoteESP8266, to be used on dedicated-IR Tasmota version. Warning: +81k Flash when compiling with USE_IR_REMOTE_FULL
• Add compile time define USE_WS2812_HARDWARE to select hardware type WS2812, WS2812X, WS2813, SK6812, LC8812 or APA106 (DMA mode only)
• Add 'sonoff-ir' pre-packaged IR-dedicated firmware and 'sonoff-ircustom' to customize firmware with IR Full protocol support
• Add Zigbee support phase 2 - cc2530 initialization and basic ZCL decoding
• Add driver USE_SDM120_2 with Domoticz P1 Smart Meter functionality as future replacement for USE_SDM120 - Pls test and report
• Add command Power0 0/1/2/Off/On/Toggle to control all power outputs at once (#6340)
• Add time to more events (#6337)
• Add command Time 1/2/3 to select JSON time format ISO + Epoch, ISO or Epoch

6.6.0.8 20190827

• Add Tuya Energy monitoring by Shantur Rathore
• Add phase 1 Domoticz P1 Smart Meter support using energy sensors handled by xdrv_03_energy.ino based on an idea by pablozg
• Add commands Tariff1 0..23 (start Off-Peak hour), Tariff2 0..23 (start Standard hour) and Tariff3 0/1 (Saturday and Sunday Off-Peak)

6.6.0.7 20190825

• Expand Settings area to 4k for future use

6.6.0.6 20190819

• Add I2C display driver for SH1106 oled by Gerhard Mutz
• Add SPI display drivers for epaper 4.2 inch, ILI9488 TFT, SSD1351 Color oled and RA8876 TFT by Gerhard Mutz
• Add support for HM17 bluetooth LE passive scan of ibeacon devices by Gerhard Mutz

6.6.0.5 20190816

• Add command WebSensor 0/1 to control display of sensor data in web GUI (#6085)
• Change some table locations from RAM to Flash
• Fix wrong telemetry message when SetOption68 1 (#6191)
• Add support for RDM6300 125kHz RFID Reader by Gerhard Mutz

6.6.0.4 20190806

• Add support for CHIRP soil moisture sensor by Christian Baars
• Add debug compile features using defines DEBUG_TASMOTA_CORE, DEBUG_TASMOTA_DRIVER and DEBUG_TASMOTA_SENSOR.
• See DEBUG_CORE_LOG example in sonoff.ino and DEBUG_DRIVER_LOG example in xdrv_09_timers.ino
• Add support for Solax X1 inverter by Pablo Zerón
• Add ZigBee support phase 1 - low level MQTT ZNP messages for CC2530 devices
• Add command Buzzer with optional parameters ,<duration of beep in 100mS steps>,<duration of silence in 100mS steps> enabled when a buzzer is configured (#5988)
• Add support for PAJ7620 gesture sensor by Christian Baars

6.6.0.3 20190725

• Change filename of configuration backup from using FriendlyName1 to Hostname solving diacritic issues (#2422)
• Change Store AWS IoT Private Key and Certificate in SPI Flash avoiding device-specific compilations
• Upgrade library IRRemoteEsp8266 to 2.6.4, now using sendPioneer()
• Add support for MAX31865 Thermocouple sensor by Alberto Lopez Siemens
• Add option 0 to Width1 (Marker), Width2 (Second), Width3 (Minute) and Width4 (Hour) disabling display (#6152)
• Add MqttCount metric to STATE (#6155)
• Add define USE_ENERGY_MARGIN_DETECTION to disable Energy Margin and Power Limit detection
• Add define USE_ENERGY_POWER_LIMIT to disable Energy Power Limit detection while Energy Margin detection is active
• Add allow repeat/longpress for IRSend raw, introduced IRSend option (#6074)
• Add SetOption68 to enable multi-channel PWM instead of a single light (#6134)

6.6.0.2 20190714

• Change commands Var and Mem to show all parameters when no index is given (#6107)
• Add command SetOption67 0/1 to disable or enable a buzzer as used in iFan03
• Add command DisplayWidth to set pixel width on supported devices
• Add command DisplayHeight to set pixel height on supported devices
• Add support for Sonoff iFan03 as module 71 (#5988)
• Add support for a buzzer
• Add support for IRSend long press ('repeat' feature from IRRemoteESP8266) (#6074)
• Add support for IRHVAC Midea/Komeco protocol (#3227)
• Add support for more IRSend protocols enabled in my_user_config.h
• Add support for IRSend Pioneer protocol (#6100)
• Add Oled reset GPIO option "OLED reset"

6.6.0.1 20190708

• Fix Domoticz battery level set to 100 if define USE_ADC_VCC is not used (#6033)
• Fix Force Elliptic Curve for Letsencrypt TLS #6042
• Fix WeMo emulation for 1G echo and 2G echo dot (#6086)
• Fix Xiaomi Philips brightness (#6091)
• Change defines USE_TX20_WIND_SENSOR and USE_RC_SWITCH in my_user_config.h to disable to lower iram usage enabling latest core compilation (#6060, #6062)
• Add blend RGB leds with White leds for better whites (#5895, #5704)
• Add command SetOption41 0..8 to control number of Tuya switches (#6039)
• Add command SetOption42 0..255 to set overtemperature (Celsius only) threshold resulting in power off all on energy monitoring devices. Default setting is 90 (#6036)
• Add command SetOption66 0/1 to enable or disable Tuya dimmer range 255 slider control
• Add command Time to disable NTP and set UTC time as Epoch value if above 1451602800 (=20160101). Time 0 re-enables NTP (#5279)
• Add AZ7798 automatic setting of clock display (#6034)
• Add Epoch and UptimeSec to JSON messages (#6068)
• Add support for up to 4 INA219 sensors (#6046)

6.6.0 20190707

• Remove support of TLS on core 2.3.0 and extent support on core 2.4.2 and up
• Remove MQTT uptime message every hour
• Refactor some defines to const
• Refactor webserver HTML input, button, textarea, and select name based on id
• Refactor webserver sensor data collection
• Refactor TLS based on BearSSL, warning breaking change for fingerprints validation
• Refactor management of lights, using classes and integers instead of floats
• Refactor UDP initial message handling from string to char using static memory and add debug info (#5505)
• Refactor IRSend and receive for 64-bit support (#5523)
• Refactor MQTT which might solve issue (#5755)
• Refactor IRSend by using heap when more than 199 values need to be send. May need increase of define MQTT_MAX_PACKET_SIZE too (#5950)
• Refactor double to float in rules, and replaced trigonometric functions from stdlib with smaller versions (#6005)
• Change pubsubclient MQTT_KEEPALIVE from 10 to 30 seconds for AWS IoT support
• Change gamma correction as default behavior, ie "Ledtable 1"
• Change PWM resolution from 8 to 10 bits for low brightness lights
• Change IRSend Panasonic protocol to 64-bit (#5523)
• Change ADC0 to enabled by default in my_user_config.h (#5671)
• Change define USE_EMULATION by USE_EMULATION_HUE and USE_EMULATION_WEMO (#5826)
• Change default PowerDelta from 80% to 0% on new installations (#5858, #5028, #4813, #4130, #4145, #3795, #3778, #3660, #3648)
• Fix display Bug in KNX webmenu for Physical Address
• Fix the Unescape() function and the SendSerial3 behaviour
• Fix webserver multiple Javascript window.onload functionality
• Fix TasmotaSerial at 9600 bps solving DFPlayer comms (#5528)
• Fix Configure Timer Web GUI (#5568)
• Fix Shelly 2.5 I2C address priority issue when VEML6070 code is present by disabling VEML6070 for Shelly 2.5 (#5592)
• Fix use of SerialDelimiter value 128 (#5634)
• Fix Sonoff Pow R2 / S31 invalid energy increments (#5789)
• Fix core 2.5.x ISR not in IRAM exception (#5837)
• Fix Philips Hue emulation Alexa issue by using part of MAC address for LightId (#5849)
• Fix missing white channel for WS2812 (#5869)
• Fix PZem startup issue (#5875)
• Fix exception 9 when syslog is enabled and NTP is just synced (#5917)
• Fix Toggle functionality to button double press when one button and two devices are detected (#5935)
• Fix channel command for dual dimmers (#5940)
• Fix not restoring white value on power off/power on (#5993)
• Add command AdcParam to control ADC0 Temperature and Light formula parameters
• Add command LedMask to assign which relay has access to power LED (#5602, #5612)
• Add extended LED power control using command LedPowerX where X is 1 to 4. Enabled when "LedLink(i)" is configured too (#5709)
• Add command Sensor20 1..255 to change Nova Fitness SDS01 working period in minutes (#5452)
• Add command SetOption38 6..255 to set IRReceive protocol detection sensitivity mimizing UNKNOWN protocols (#5853)
• Add command SetOption39 1..255 to control CSE7766 (Pow R2) or HLW8032 (Blitzwolf SHP5) handling of power loads below 6W. Default setting is 128 (#5756)
• Add command SetOption40 0..250 to disable button functionality if activated for over 0.1 second. Needs SetOption1 1 and SetOption13 0 (#5449)
• Add command SetOption63 0/1 to disable relay state feedback scan at restart (#5594, #5663)
• Add command SetOption64 0/1 to switch between "-" or "_" as sensor index separator impacting DS18X20, DHT, BMP and SHT3X sensor names (#5689)
• Add command SetOption65 0/1 and more Tuya Serial based device support (#5815)
• Add command WebColor to change GUI colors on the fly
• Add support for AWS IoT with TLS 1.2 on core 2.4.2 and up. Full doc here: https://github.com/arendst/Tasmota/wiki/AWS-IoT
• Add support for Badger HR-E Water Meter (#5539)
• Add support for Shelly 2.5 Energy and overtemp Monitoring (#5592)
• Add support for color and colortone for Philips Hue emulation via Alexa (#5600 #4809)
• Add support for Scripts as replacement for Rules. Default disabled but can be enabled in my_user_config.h (#5689)
• Add support for up to four LEDs related to four power outputs. Enabled when "LedLink(i)" is configured too (#5709)
• Add support for Shelly 1PM Template {"NAME":"Shelly 1PM","GPIO":[56,0,0,0,82,134,0,0,0,0,0,21,0],"FLAG":2,"BASE":18} (#5716)
• Add support for SPS30 Particle sensor thanks to Gerhard Mutz (#5830)
• Add support for VL53L0x time of flight sensor. Might interfere with TSL2561 using same I2C address (#5845)
• Add support for Sonoff L1 thanks to reef-actor (#6002)
• Add rule Http#Initialized
• Add rule System#Save executed just before a planned restart
• Add rule support for single JSON value pair like {"SSerialReceived":"on"} by expanding it to {"SSerialReceived":{"Data":"on"}} allowing for trigger SSerialReceived#Data=on (#5638)
• Add define USE_COUNTER to my_user_config.h to save space in sonoff-basic.bin and sonoff-minimal.bin
• Add define USE_DHT to my_user_config.h to save space in sonoff-basic.bin
• Add defines USE_EMULATION_WEMO and USE_EMULATION_HUE to my_user_config.h to control emulation features at compile time (#5826)
• Add Toggle functionality to button double press when more devices are detected
• Add device OverTemp (>73 Celsius) detection to Energy Monitoring devices with temperature sensor powering off all outputs
• Add Tuya Dimmer 10 second heartbeat serial packet required by some Tuya dimmer secondary MCUs
• Add all temperature, humidity and pressure for global access
• Add validation check when loading settings from flash
• Add HX711 weight restore after controlled restart or after power restore just before executing command Sensor34 7 (#5367, #5786)
• Add GUI hexadecimal color options in my_user_config.h (#5586)
• Add alternative IRSend command syntax IRSend raw,<freq>,<header mark>,<header space>,<bit mark>,<zero space>,<one space>,<bit stream> (#5610)
• Add user configurable ADC0 to Module and Template configuration compatible with current FLAG options (#5671)
• Add AriLux RF control GPIO option "ALux IrSel" (159) replacing "Led4i" (59) for full LED control (#5709)
• Add LED GPIO option "LedLink" (157) and "LedLinki" (158) to select dedicated link status LED (#5709)
• Add all 5 PWM channels individually adressable with LEDs. (#5741)
• Add reset of Energy values when connection to sensor is lost for over 4 seconds (#5874, #5881)
• Add checkbox to GUI password field enabling visibility during password entry only (#5934)

6.5.0 20190319

• Remove commands SetOption14 and SetOption63 as it has been superseded by command Interlock
• Remove command SetOption35 0-255 for mDNS start-up delay (#4793)
• Remove support for MQTT_LIBRARY_TYPE, MQTT_ARDUINOMQTT and MQTT_TASMOTAMQTT (#5474)
• Change webserver content handling from single String to small Chunks increasing RAM
• Change code use of boolean to bool and byte to uint8_t
• Change code uint8_t flags to bool flags
• Change sonoff_template.h layout regarding optional module flags like ADC0
• Change sonoff_template.h module lay-out by removing non-configurable GPIOs
• Change button driver making it modular
• Change switch driver making it modular and introduce input filter (#4665, #4724)
• Change switch input detection by optimizing switch debounce (#4724)
• Change web authentication (#4865)
• Change image name BE_MINIMAL to FIRMWARE_MINIMAL and USE_xyz to FIRMWARE_xyz (#5106)
• Change GUI weblog from XML to plain text solving possible empty screens (#5154)
• Fix most compiler warnings
• Fix Display exception 28 when JSON value is nullptr received
• Fix epaper driver (#4785)
• Fix HAss Sensor Discovery Software Watchdog restart (#4831, #4988)
• Fix allowable MAX_RULE_VARS to 16 (#4933)
• Fix mDNS addService (#4938, #4951)
• Fix HAss discovery of MHZ19(B) sensors (#4992)
• Fix some exceptions and watchdogs due to lack of stack space (#5215)
• Fix GUI wifi password acception starting with asteriks (*) (#5231, #5242)
• Fix command WebSend intermittent results (#5273, #5304)
• Fix additional characters in fallbacktopic, hostname and mqttclient on core 2.5.0 (#5359, #5417)
• Fix Energy TotalStartTime when commands EnergyReset0 and/or EnergyReset3 used (#5373)
• Fix DS18S20 temperature calculation (#5375)
• Fix float calculations in range from 0 to -1 (#5386)
• Fix exception on GUI Configure Logging and Configure Other (#5424)
• Add commands PowerCal, VoltageCal and CurrentCal for HLW8012, HJL01 and BL0937 based energy sensors
• Add command SerialDelimiter 128 to filter reception of only characters between ASCII 32 and 127 (#5131)
• Add command SSerialSend5 <hexdata> to SerialBridge
• Add command Interlock 0 / 1 / 1,2 3,4 .. to control interlock ON/OFF and add up to 8 relays in 1 to 4 interlock groups (#4910, #5014)
• Add command Template 255 to copy module configuration over to current active template and store as user template named Merged (#5371)
• Add command WifiConfig 7 to allow reset of device in AP mode without admin password (#5297)
• Add command SetOption36 to control boot loop default restoration (#4645, #5063)
• Add command SetOption37 for RGBCW color mapping (#5326)
• Add command SetOption55 0/1 and define MDNS_ENABLE to disable/enable mDNS (#4793, #4923)
• Add command SetOption62 0/1 to disable retain on Button or Switch hold messages (#5299)
• Add support for Smanergy KA10 Smart Wall Socket with Energy monitoring
• Add support for commands in sensor drivers
• Add support for MAX31855 K-Type thermocouple sensor using softSPI (#4764)
• Add support for Near Field Communication (NFC) controller PN532 using Serial (#4791, #5162)
• Add support for OBI Power Socket 2 (#4829)
• Add support for YTF IR Bridge (#4855)
• Add support for Mi LED Desk Lamp with rotary switch (#4887)
• Add support for Digoo DG-SP202 Smart Socket with Energy monitoring (#4891)
• Add support for MAX44009 Ambient Light sensor (#4907)
• Add support for inverted buttons and inverted buttons without pullup (#4914)
• Add support for Luminea ZX2820 Smart Socket with Energy monitoring (#4921)
• Add support for multiple ADS1115 I2C devices (#5083)
• Add support for online template change using command Template or GUI Configure Other (#5177)
• Add support for Korean language translations (#5344)
• Add support for sensor SCD30 (#5434)
• Add parameter CFG_HOLDER to status 1 message (#5206)
• Add SetOption32 until SetOption49 diagnostic information to Status 3 report as replacement for second property value in SetOption property name
• Add Resolution property to Status 3 report providing previous SetOption second value property
• Add property MqttCount to status 6 message representing number of Mqtt re-connections
• Add property LinkCount to state and status 11 message representing number of Wifi Link re-connections
• Add property Downtime to state and status 11 message representing the duration of wifi connection loss
• Add variable %timestamp% to rules (#4749)
• Add rule support for "==", "!=" ">=" and "<=" (#5122)
• Add rule expression enabled by define USE_EXPRESSION in my_user_config.h (#5210)
• Add Power status functionality to LED2 when configured leaving LED1 for Link status indication
• Add user configuration of HLW8012 and HJL-01/BL0937 Energy Monitoring as used in Sonoff Pow and many Tuya based devices
• Add user configuration of MCP39F501 Energy Monitoring as used in Shelly2
• Add online template configuration using both commands and Configure Template menu option in GUI
• Add (S)SerialSend3 escape sequence \x to allow hexadecimal byte value (#3560, #4947)
• Add define DS18B20_INTERNAL_PULLUP to select internal input pullup when only one DS18B20 sensor is connected eliminating external resistor (#4738)
• Add button control when no relay configured (#4682)
• Add startup delay of 4 seconds to button control (#4829)
• Add core version conditional compile options to provided PWM files (#4917)
• Add resiliency to saved Settings (#5065)
• Add MHZ19 Temperature as Domoticz Temperature selection (#5128)
• Add HAss status sensor (#5139)
• Add status message to former declined group commands (#5145)
• Add 0x to IRRemote (SetOption29) and RCSwitch (SetOption28) received hexadecimal data (#5431)

6.4.1 20181224

• Change RAM usage BMP/BME I2C sensors
• Change FallbackTopic from cmnd/<mqttclient>/ to cmnd/<mqttclient>_fb/ to discriminate from Topic (#1528)
• Change FallbackTopic detection (#4706)
• Change Hass discovery to short MQTT messages as used by Hass 0.81 and up (#4711)
• Change MQTT GUI password handling (#4723)
• Fix possible dtostrf buffer overflows by increasing buffers
• Fix wifi strongest signal detection (#4704)
• Fix Alexa "this value is outside the range of the device". Needs power cycle and Alexa deletion/discovery cycle. (#3159, #4712)
• Add Slovak language file (#4663)
• Add support for AZ-Instrument 7798 CO2 meter/datalogger (#4672)
• Add define WIFI_SOFT_AP_CHANNEL in my_user_config.h to set Soft Access Point Channel number between 1 and 13 as used by Wifi Manager web GUI (#4673)
• Add define USE_MQTT_TLS_CA_CERT for checking MQTT TLS against root ca using Let's Encrypt cert from sonoff_letsencrypt.h - not supported with core 2.3.0 (#4703)

6.4.0 20181217

• Change GUI Configure Module by using AJAX for data fetch to cut page size (and memory use) by 40% In case of web page errors clear your browser cache or do Page Reload (F5 or Ctrl+R)
• Change enforcing flashmode dout but it is still mandatory
• Change bootcount update (being first) flash write to 10 seconds after restart
• Change display and epaper drivers
• Change command WebSend Host header field from IP address to hostname (#4331)
• Change log buffer size from 512 to 520 to accommodate http sensor data (#4354)
• Change default WIFI_CONFIG_TOOL from WIFI_WAIT to WIFI_RETRY in my_user_config.h (#4400)
• Change webgui refresh time delay for Save Settings and local OTA Upload (#4423)
• Change SR-04 driver to use NewPing library (#4488)
• Change MCP230xx driver to support interrupt retention over teleperiod (#4547)
• Change support for MPU6050 using DMP (#4581)
• Fix unintended function overload of WifiState
• Fix wifi connection errors using wifi disconnect and ESP.reset instead of ESP.restart
• Fix Sonoff Pow R2 and Sonoff S31 Serial interface hang caused by Sonoff Basic R2 driver delay implementation (and possibly core bug)
• Fix MQTT connection error after restart
• Fix wifi re-scan connection baseline
• Fix possible strncat buffer overflows
• Fix intermittent Pzem sensor energy overflow calculation error
• Fix shelly2 ghost switching caused by lack of pull-up inputs (#4255)
• Fix hardware serial pin configuration. To keep using hardware serial swap current Rx/Tx pin configuration only (#4280)
• Fix MqttRetry values above 255 seconds (#4424)
• Fix WifiManager functionality on initial installation (#4433)
• Fix ArduinoOTA for Core 2.5.0 (#4620)
• Add minutes to commands Timezone to allow all possible world timezones
• Add more strict checks for GPIO selections
• Add code image and optional commit number to version
• Add dynamic delay to main loop providing time for wifi background tasks
• Add additional start-up delay during initial wifi connection
• Add support for decoding Theo V2 sensors as documented on https://sidweb.nl using 434MHz RF sensor receiver
• Add support for decoding Alecto V2 sensors like ACH2010, WS3000 and DKW2012 weather stations using 868MHz RF sensor receiver
• Add user definition of defines WIFI_RSSI_THRESHOLD (default 10) and WIFI_RESCAN_MINUTES (default 44)
• Add command SetOption58 0/1 to enable IR raw data info in JSON message (#2116)
• Add command IRSend |0,,,.. to allow raw data transmission (#2116)
• Add command SetOption56 0/1 to enable wifi network scan and select highest RSSI (#3173)
• Add command SetOption57 0/1 to enable wifi network re-scan every 44 minutes with a rssi threshold of 10 to select highest RSSI (#3173)
• Add support for SDM220 (#3610)
• Add default sleep 1 to sonoff-basic to lower energy consumption (#4217)
• Add wifi status to Tuya (#4221)
• Add delays to reduce CPU usage at boot time (#4233)
• Add command SetOption24 0/1 to select pressure unit as hPa or mmHg (#4241)
• Add optional hardware serial when GPIO13(Rx) and GPIO15(Tx) are selected removing hardware serial from GPIO01(Tx) and GPIO03(Rx) (#4288)
• Add support for Gosund SP1 v2.3 Power Socket with Energy Monitoring (#4297)
• Add support for Armtronix dimmers. See wiki for info (#4321)
• Add to command WebSend option to send a direct path when command starts with a slash (#4329)
• Add support for LG HVac and IrRemote (#4377)
• Add initial support for Hass sensor discovery (#4380)
• Add support for Fujitsu HVac and IrRemote (#4387)
• Add support for I2C MGC3130 Electric Field Effect sensor by Christian Baars (#3774, #4404)
• Add command CalcRes to set number of decimals (0 - 7) used in commands ADD, SUB, MULT and SCALE (#4420)
• Add CPU average load to state message (#4431)
• Add command SetOption59 0/1 to change state topic from tele/STATE to stat/RESULT (#4450)
• Add support for SM Smart Wifi Dimmer PS-16-DZ (#4465)
• Add support for Teckin US Power Socket with Energy Monitoring (#4481)
• Add command SetOption60 0/1 to select dynamic sleep (0) or sleep (1) (#4497)
• Add support for iFan02 Fanspeed in Domoticz using a selector (#4517)
• Add support for GPIO02 for newer Sonoff Basic (#4518)
• Add Announce Switches to MQTT Discovery (#4531)
• Add support for Manzoku Power Strip (#4590)

6.3.0 20181030

• Change web Configure Module GPIO drop down list order for better readability
• Change status JSON message providing more switch and retain information
• Change xsns_17_senseair.ino to use TasmotaModbus library
• Change MCP230xx driver
• Change PubSubClient Mqtt library to non-blocking EspEasy version
• Change energy monitoring using energy sensor driver modules
• Change Webserver page handler for easier extension (thx to Adrian Scillato)
• Change pinmode for no-pullup defined switches to pullup when configured as switchmode PUSHBUTTON (=3 and up) (#3896)
• Change default OTA Url to http://thehackbox.org/tasmota/release/sonoff.bin (#4170)
• Remove support for MQTT Client esp-mqtt-arduino by #define MQTT_LIBRARY_TYPE MQTT_ESPMQTTARDUINO
• Remove commands PowerCal, VoltageCal and CurrentCal as more functionality is provided by commands PowerSet, VoltageSet and CurrentSet
• Remove restart after ntpserver change and force NTP re-sync (#3890)
• Fix showing Period Power in energy threshold messages
• Fix header file execution order by renaming user_config.h to my_user_config.h
• Fix some TSL2561 driver issues (#3681)
• Fix KNX PA exception. Regression from 6.2.1 buffer overflow caused by subStr() (#3700, #3710)
• Fix setting and getting color temperature for Philips Hue emulation (#3733)
• Fix ButtonRetain to not use default topic for clearing retain messages (#3737)
• Fix syslog when emulation is selected (#2109, #3784)
• Fix rule trigger POWER1#STATE execution after restart and SetOption0 is 0 (#3856)
• Fix Home Assistant forced light discovery (#3908)
• Fix invalid configuration restores and decode_config.py crc error when savedata = 0 (#3918)
• Fix timer offset -00:00 causing 12:00 hour offset (#3923)
• Fix I2CScan invalid JSON error message (#3925)
• Fix exception when wrong Domoticz JSON message is received (#3963)
• Fix Sonoff Bridge RfRaw receive (#4080, #4085)
• Fix possible wifi connection error (#4044, #4083)
• Fix invalid JSON floating point result from nan (Not a Number) and inf (Infinity) into null (#4147)
• Fix rule mqtt#connected trigger when mqtt is disabled (#4149)
• Add support for LCD, Matrix, TFT and Oled displays
• Add support for Neo Coolcam Wifi Smart Power Plug
• Add support for Michael Haustein ESP Switch
• Add support for MQTT Client based on lwmqtt to be selected by #define MQTT_LIBRARY_TYPE MQTT_ARDUINOMQTT
• Add support for Neo Coolcam Wifi Smart Power Plug
• Add support for Michael Haustein ESP Switch
• Add support for MQTT Client based on lwmqtt to be selected by #define MQTT_LIBRARY_TYPE MQTT_ARDUINOMQTT
• Add support for DS3231 Real Time Clock
• Add support for HX711 Load Cell with optional web GUI scale interface to demonstrate easy GUI plug-in
• Add support for serial 8N2 communication to TasmotaModbus and TasmotaSerial libraries
• Add support for RF transceiving using library RcSwitch (#2702)
• Add support for Shelly 1 and Shelly 2 (#2789)
• Add support for La Crosse TX20 Anemometer (#2654, #3146)
• Add support for MP3 player using DFRobot RB-DFR-562 (#3723)
• Add Support for Xiaomi-Philips Bulbs (#3787)
• Add support for PCA9685 12bit 16pin hardware PWM driver (#3866)
• Add support for EXS Relay V5.0 (#3810)
• Add support for OBI Power Socket (#1988, #3944)
• Add support for Teckin Power Socket with Energy Monitoring (#3950)
• Add support for Pzem-003/017 DC Energy monitoring module (#3694)
• Add support for Pzem-014/016 AC Energy monitoring module (#3694)
• Add support for CSL Aplic WDP 303075 Power Socket with Energy Monitoring (#3991, #3996)
• Add support for Tuya Dimmer (#469, #4075)
• Add command Display to show all settings at once
• Add command SerialSend5 to send raw serial data like "A5074100545293"
• Add command WebRefresh 1000..10000 to control web page refresh in milliseconds. Default is 2345
• Add command WeightRes 0..3 to control display of decimals for kilogram
• Add command RGBWWTable to support color calibration (#3933)
• Add command Reset 4 (reset to defaults but keep wifi params) and Reset 5 (as reset 4 and also erase flash) (#4061)
• Add command SetOption35 0..255 (seconds) to delay mDNS initialization to control possible Wifi connect problems
• Add command SetOption52 0/1 to control display of optional time offset from UTC in JSON messages (#3629, #3711)
• Add command SetOption53 0/1 to toggle gui display of Hostname and IP address (#1006, #2091)
• Add authentication to HTTP web pages
• Add decimals as input to commands PowerSet, VoltageSet and CurrentSet
• Add tools/decode-config.py by Norbert Richter to decode configuration data. See file for information
• Add define USE_DISPLAYS for selecting image sonoff-display
• Add define USE_BASIC for selecting image sonoff-basic without most sensors
• Add auto reload of main web page to some web restarts
• Add TasmotaModbus library as very basic modbus wrapper for TasmotaSerial
• Add more API callbacks and document API.md
• Add Apparent Power and Reactive Power to Energy Monitoring devices (#251)
• Add token %hostname% to command FullTopic (#3018)
• Add Wifi channel number to state message (#3664)
• Add user configurable GPIO02 and GPIO03 on H801 devices (#3692)
• Add toggle function RGBW lights (#3695, #3697)
• Add network information to display start screen (#3704)
• Add sleep to Nova Fitness SDS01X sensor (#2841, #3724, #3749)
• Add Analog input AD0 enabled to sonoff-sensors.bin (#3756, #3757)
• Add power value below 5W to Sonoff Pow R2 and S31 (#3745)
• Add RF Receiver control to module MagicHome to be used on Arilux LC10 (#3792)
• Add userid/password option to decode-status.py (#3796)
• Add delay after restart before processing rule sensor data (#3811)
• Add force_update to Home Assistant discovery (#3873)
• Add rule triggers SWITCH1#BOOT and POWER1#BOOT (#3904, #3910)
• Add Hebrew language file (#3960)
• Add TotalStartTime to Energy JSON message (#3971)
• Add whitespace removal from RfRaw and SerialSend5 (#4020)
• Add support for two BMP/BME sensors (#4195)

6.2.1 20180905

• Fix possible ambiguity on command parameters if StateText contains numbers only (#3656)
• Fix Wemo emulation to select the first relay when more than one relay is present (#3657)
• Fix possible exception due to buffer overflow (#3659)
• Fix lost energy today and total energy value after power cycle (#3689)

6.2.0 20180901

• Allow user override of define MAX_RULE_VARS and MAX_RULE_TIMERS (#3561)
• Disable wifi sleep for both Esp8266/Arduino core 2.4.1 and 2.4.2 to solve device freeze caused by Espressif SDK bug (#3554)
• Change DS18B20 driver to provide better instant results
• Change some sensor drivers to provide instant results
• Change define USE_ALL_SENSORS to USE_SENSORS as it doesn't contain all sensors due to duplicate I2C addresses
• Change some sensor update timings: AdcEvery 200 -> 250, Senseair 300 -> 250, SDM120 300 -> 250, SDM630 300 -> 250
• Change default Wifi config option from WPS to Wifi Manager if WPS is disabled or Wifi Smartconfig if webserver is disabled or Wifi Serial input if Smartconfig is disabled
• Change SHT1x driver to provide better instant results and fix I2C interference
• Change DHT driver to provide better instant results and add decimals to DHT11 (#3164)
• Change DS18x20 driver to provide better instant results (#3169)
• Change CounterType 1 from milliseconds to microseconds (#3437)
• Change scheduler for better sleep support using Uptime, Delay, PulseTime and TelePeriod, Blinktime (#3581)
• Remove unused functionality from Sonoff-minimal to save space
• Remove WPS and SmartConfig from sonoff-minimal saving 56k code space
• Remove TSL2561 debug message and update library (#2415)
• Remove forced restart when sleep command is executed (#3554)
• Fix invalid response using more than 4 switches and domoticz
• Fix sonoff-minimal not using default settings
• Fix unsecure main webpage update
• Fix DHT driver mixing values for different sensors (#1797)
• Fix EnergyReset3 regression not clearing total energy (#2723)
• Fix rules once regression from v6.1.0 (#3198, #3226)
• Fix command Scale buffer overflow (#3236)
• Fix possible WDT due to long MQTT publish handling (#3313)
• Fix command TimeDst/TimeStd invalid JSON (#3322)
• Fix handling of default names when using names starting with shortcut character ",0,1 or 2 (#3392, #3600, #3618)
• Fix LM75AD I2C sensor detection (#3408)
• Fix iFan02 power on state (#3412, #3530)
• Fix some Pow R2 and S31 checksum errors using optimized re-sync (#3425)
• Fix SDM120 reporting wrong negative values to Domoticz (#3521)
• Fix MQTT reconnection detection when using TasmotaMqtt library (#3558)
• Fix OtaMagic when file path contains a dash (-) (#3563)
• Fix Sonoff Bridge data reception when using Portisch EFM8 firmware using in data buffer length (#3605)
• Add read sensor retry to DS18B20, DS18x20, DHT, SHT1X and HTU21
• Add user selection of Wifi Smartconfig as define USE_SMARTCONFIG in user_config.h
• Add boot loop detection and perform some solutions
• Add wifi and mqtt status led blinkyblinky to be disabled by SetOption31 1. Does not work when LedPower is On (deliberate) (#871, #2230, #3114, #3155)
• Add support for TM1638 switch (#2226)
• Add GPIO options ButtonXn, SwitchXn and CounterXn to select INPUT mode instead of INPUT_PULLUP (#2525)
• Add support for APDS9960 proximity sensor (#3051)
• Add support for MPR121 controller in input mode for touch buttons (#3142)
• Add support for MCP230xx for general purpose input expansion and command Sensor29 (#3188)
• Add default Wifi Configuration tool as define WIFI_CONFIG_NO_SSID in user_config.h if no SSID is configured (#3224)
• Add command Timers 0/1 to globally disable or enable armed timers (#3270)
• Add support for CCS811 sensor (#3309)
• Add Turkish language file (#3332)
• Add command SerialSend4 to send binary serial data (#3345)
• Add initial support for sensor MPU6050 (#3352)
• Add rule triggers Wifi#Connected and Wifi#Disconnected (#3359)
• Add option + to command Rule to concatenate new rule with existing rules (#3365)
• Add message when JavaScript is not enabled in webbrowser (#3388)
• Add build time setting of ButtonTopic and SwitchTopic (#3414)
• Add iFan02 Fanspeed + and Fanspeed - command options (#3415)
• Add Individual HSBColorX commands (#3430, #3615)
• Add output support on MCP23008/MCP23017 (#3436)
• Add modulo option to rules like rule1 on Time#Minute|5 do backlog power on;delay 200;power off endon (#3466)
• Add RGB support for Domoticz (#3547)
• Add all ruletimer values to command RuleTimer result message (#3571)
• Add command Publish2 for publishing retained MQTT messages (#3593)
• Add commands ButtonDebounce 40..1000 and SwitchDebounce 40..1000 to have user control over debounce timing. Default is 50mS (#3594)
• Add RuleX debug options 8,9,10 (StopOnError) to control RuleX execution status after an exception restart (#3607)
• Add rule variables %sunrise%, %sunset%, %uptime% and %time% (#3608)
• Add optional MQTT_TELE_RETAIN to Energy Margins message (#3612, 3614)

6.1.1 20180714

• Revert wifi changes (#3177)
• Revert sonoff-minimal removals causing failure of wifi connection (#3177)

6.1.0 20180706

• Remove version 3, 4 and pre 5.2 settings auto-upgrade. See https://github.com/arendst/Tasmota/wiki/Upgrading#migration-path
• Change default CFG_HOLDER from 0x20161209 to 4617 (=0x1209) - no impact on default upgrades
• Change number of supported switches from 4 to 8 (#2885, #3086)
• Change BME680 driver from Adafruit to Bosch BME680 library (#2969)
• Fix Pzem004T checksum error
• Fix KNX bug when doing reply of sensors values
• Fix rules induced LWT message
• Fix possible wifi connection problem (#1366)
• Fix some Pow R2 and S31 checksum errors (#1907)
• Fix display selection of un-available GPIO options in Module Configuration webpage (#2718)
• Fix timer re-trigger within one minute after restart (#2744)
• Fix IRSend not accepting data value of 0 by David Conran (#2751)
• Fix vars on rules by Adrian Scillato (#2769)
• Fix bug in KNX menu by Adrian Scillato (#2770)
• Fix anomalies in rules (#2778)
• Fix HUE bridge V1 software version by Heiko Krupp (#2788)
• Fix Hardware Watchdog restart when using event command (#2853)
• Add Ukrainian language file
• Add KNX support for DS18S20 Temperature sensor
• Add CRC to Settings making future upgrades more fail-safe
• Add feature information to Status 4
• Add tools folder with python script decode-status.py for decoding some status fields like SetOption and Features
• Add Slots on the KNX Web Menu to select Group Addess to receive data to trigger rules
• Add two rule sets of 511 characters using commands rule1, rule2 and rule3
• Add Console Commands to send KNX Commands and KNX Values
• Add Slots on the KNX Web Menu to select Group Addess to send data from console commands
• Add Events to trigger rules when a command or read requests is received from KNX
• Add command SetOption30 to enforce Hass discovery as light group (#1784)
• Add support for BlitzWolf BW-SHP2 (and Homecube, Gosund SP1) Energy Monitoring Smart Socket (#2223)
• Add time in minutes to rule Time#Initialized, Time#set and Time#Minute (#2669)
• Add Eastron SDM630 energy meter by Gennaro Tortone (#2735)
• Add KNX communication enhancement by Adrian Scillato (#2742)
• Add KNX energy data by Adrian Scillato (#2750)
• Add rule support for IrReceive and RfReceive (#2758)
• Add python script fw-server.py in tools folder to create a simple OTA server by Gennaro Tortone (#2759)
• Add rule variables %time% for minutes since midnight, %uptime%, %sunrise% and %sunset% giving time in minutes (#2669)
• Add rules %mem1% to %mem5% variable names storing data in flash (#2780)
• Add rules test on %varx% or %memx% (#2780)
• Add optional token %id% substituting the unique MAC address to fulltopic by Michael Graf (#2794)
• Add support for Sonoff S26 Smart Socket (#2808)
• Add command WebSend [(:,:)] (#2821)
• Add increment and decrement value to command Counter (#2838)
• Add support for Sonoff iFan02 as module 44 introducing command FanSpeed 0..3 (#2839)
• Add source information to command execution to be shown with logging option 3 (#2843)
• Add support for uploading Sonoff Bridge firmware found in tools/fw_efm8bb1 folder build by Portisch using Web Gui File Upload (#2886)
• Add command RfRaw to control Portisch firmware features
• Add support for I2C temperature sensor LM75AD (#2909)
• Add option 0 to command Timers disarming all timers (#2962)
• Add performance improvement when updating multiple individual WS2812 pixels (#3007)
• Add command SetOption28 to switch between hex or decimal Sonoff Bridge RF received data format (#3008)
• Add command SetOption29 to switch between hex or decimal IR received data format
• Add decimal values support for commands ADD, SUB, MULT and SCALE (#3083, #3089)
• Add support for bitflags SetOption50 .. SetOption81 (#3118)

5.14.0 20180515

• Update language files
• Update TasmotaSerial to 2.0.0 allowing Hardware Serial Fallback when correct connections are configured
• Change command handling
• Change user_config(_override).h defines TIME_STD and TIME_DST
• Change user_config(_override).h otaurl to http://sonoff.maddox.co.uk/tasmota/sonoff.bin (#2588, #2602)
• Fix configuration restore regression from 5.13.1
• Fix compile error when ADC is enabled and Rules are disabled (#2608)
• Fix rule power trigger when no backlog command is used (#2613)
• Fix several timer data input and output errors (#2597, #2620)
• Fix KNX config error (#2628)
• Fix sensor MHZ-19 vanishing data over time (#2659)
• Fix KNX reconnection issue (#2679)
• Fix DST and STD time for Southern Hemisphere by Adrian Scillato (#2684, #2714)
• Add Portuguese in Brazil language file
• Add SetOption26 to enforce use of indexes even when only one relay is present (#1055)
• Add support for sensor SI1145 UV Index / IR / Visible light (#2496)
• Add rule state test for On/Off in addition to 0/1 (#2613)
• Add hardware serial option to MHZ-19 sensor (#2659)
• Add Eastron SDM120 energy meter by Gennaro Tortone (#2694)
• Add user entry DST/STD using commands TimeStd and TimeDst (See wiki for parameter syntax) (#2721)

5.13.1 20180501

• Fix JSON buffers size too small for execution in some situations (#2580)
• Fix configuration restore (#2591)
• Add define MODULE for user selecting default model although it preferably should not be changed (#569, #2589)

5.13.0 20180430

• Change platformio option sonoff-ds18x20 to sonoff-allsensors enabling ds18x20 and all other sensors in one image
• Change status display of Ssid and SetOption
• Change default option SetOption15 from 0 to 1 providing better initial PWM experience
• Change webpage parameter communication
• Change max number of commands in Backlog from 15 to 30 and ignore commands overflowing
• Change TSL2561 driver to joba library and delete Adafruit library (#1644)
• Change default parameters in user_config.h to undefined for easy installation (#1851)
• Change max user configurable hold time from 10 to 25 seconds (#1851)
• Change Sonoff SC JSON format (#1939)
• Change Polish language to using Diacritics (#2005)
• Change user_config_override usage by providing user_config_override_sample.h (#2228)
• Change MQTT response topic for Energy changes from ENERGY to SENSOR (#2229, #2251)
• Change default Reset configuration time from 4 seconds to 40 seconds on Button hold (#2268)
• Change ESP8266 Analog JSON message from {"Analog0:123"} to {"ANALOG":{"A0:123"}} to accomodate rules (#2560)
• Change Counter JSON message from {"Counter1":0,"Counter3":0} to {"COUNTER":{"C1":0,"C3":0}} to accomodate rules
• Change ADS1115 JSON message from {"ADS1115":{"Analog0":123,"Analog1":123}} to {"ADS1115":{"A0":123,"A1":123}}
• Fix intermittent exception when dns lookup is used while sleep is enabled
• Fix 5.4.0 regression turning off single press after button hold during 4x hold time
• Fix possible wifi connection problem by erasing sdk configuration parameters
• Fix NTP sync to Thu Jan 01 08:00:10 1970 results in uptime 17651+ days (core2.4.1/sdk2.2.1)
• Fix MAX31850 higher temperatures (#1269)
• Fix freeing more code space when emulation is disabled (#1592)
• Fix providing web page configuratin option for Friendly Name when no device (relay or light) is configured (#1850)
• Fix compile error when define HOME_ASSISTANT_DISCOVERY_ENABLE is not set (#1937)
• Fix MQTT TLS fingerprint validation (#2033)
• Fix update temperature on DS18x20 drivers (#2328)
• Fix compile error when not defined USE_TIMERS (#2400)
• Fix configuration filename truncation when it contains spaces (#2484, #2490)
• Fix Energy Today and Yesterday overflow (#2543)
• Add serial debug info
• Add Portuguese language file
• Add Czech language file
• Add Bulgarian language file
• Add Domoticz dust (custom) sensors to PMS5003 and NovaFitness SDS drivers as PM1, PM2.5 and PM10
• Add commands Publish, Rule, RuleTimer and Event. See Wiki about Rule restriction, usage and examples
• Add sonoff-classic, sonoff-allsensors and sonoff-knx
• Add some coloring to important web buttons
• Add support for sensor HC-SR04 ultrasonic (#113, #1964, #2444)
• Add define MQTT_TELE_RETAIN compile option default set to 0 (#1071)
• Add 16 timers using commands Timer and Timers (#1091)
• Add optional Timer configuration webpage to be enabled in user_config.h with define USE_TIMERS_WEB
• Add Multichannel Gas sensor using MultiChannel_Gas_Sensor library (#1245)
• Add Domoticz Battery and RSSI Quality (#1604)
• Add command HSBColor Hue,Sat,Bri (#1642, #2203)
• Add compile time support for WS2812 BRG and RBG led configurations to be defined in user_config.h (#1690)
• Add optional usage of %d or %X suffices in MQTT client to append chipid (#1871)
• Add optional usage of %d or %X suffices in MQTT topic to append chipid (#1871)
• Add optional usage of %d or %04d in ota url to be replaced with chipid (#1871)
• Add Sonoff Bridge command RfKey 5 to show current RF key values either default or learned (#1884)
• Add user configurable serial GPIOs to MagicHome and Arilux modules (#1887)
• Add Russian language file (#1909)
• Add Webserver upload preflight request support (#1927)
• Add Home Assistant clear other device (#1931)
• Add Restart time to Status 1 (#1938)
• Add optional TSL2561 driver using library Joba_Tsl2561 to be enabled in user_config.h with define USE_TSL2561_JOBA (#1951)
• Add support for sensor SHTC3 (#1967)
• Add compiler check for stable lwIP version v1.4 (#1940)
• Add support for multiple SHT3X sensors (#1949, #2110)
• Add always suffix with device number in Mqtt discovery topic (#1962)
• Add support for optional MQTT drivers to be selected in user_config.h (#1992)
• Add optional Arduino OTA support to be enabled in user_config.h (#1998)
• Add diacritics to Polish language file (#2005)
• Add Hungarian language file (#2024)
• Add support for Nova Fitness SDS011 and possibly SDS021 particle concentration sensor (#2070)
• Add single decimal precision to Nova Fitness SDS0x1 sensor values (#2093)
• Add Chinese (Traditional) in Taiwan language file (#2108)
• Add Sonoff SC domoticz support for Sound level as Counter and Air quality (#2118)
• Add a second TLS fingerprint to allow switching keys in TLS mode (#2033, #2102)
• Add display of remaining pulse time to command PulseTime (#2085)
• Add additional time offset to Wifi Retry based on device mac address (#2089)
• Add command Color6 RRGGBB for Clock hour marker color and command Rotation pixels for Clock rotation (#2092)
• Add HTML language header in local language (#2123)
• Add command PowerDelta 0..100 (percentage) to Energy monitoring devices to report on active power load change (#2157)
• Add Restart Reason to Status 1 report (#2161)
• Add command Channel 0..100 to control dimmer value for individual color channels (#2111, #2203)
• Add support for Hardware Serial bridge using commands SerialDelimiter, Baudrate and SerialSend. Supports 8N1 and text only (#2182)
• Add support for Software Serial bridge using commands SerialDelimiter, SBaudrate and SSerialSend. Supports 8N1 and text only (#2190)
• Add support for Zengge WF017 PWM Led strip controller (#2202)
• Add PWM status to command State if PWM enabled (#2203)
• Add all FriendlyNames to Status information (#2208)
• Add Channel status information (#2211)
• Add hexadecimal Data entry to command IrSend using 0x notation (#1290, #2314)
• Add Home Assistant MQTT Discovery for Buttons and change SetOption19 response (#2277)
• Add multiple color entry support for command Led like Led2 120000 001200 000012 setting led2 as Red, Led3 as Green and Led4 as Blue (#2303)
• Add hexadecimal RGB color entry on RGBCW leds (#2304)
• Add support for SGP30 gas and air quality sensor (#2307)
• Add optional Sunrise and Sunset timers with commands Latitide and Longitude to be enabled with define USE_SUNRISE in user_config.h (#2317)
• Add timer sunrise and sunset offset (#2378)
• Add user selectable defines for Sunrise/set Dawn option (#2378)
• Add optional KNX IP Protocol Support (#2402)
• Add random window to timers (#2447)
• Add Greek language file (#2491)
• Add support for Sonoff Pow R2 (#2340)
• Add GPIO_User to GPIO02 for all Sonoff T1 (#2524)

5.12.0 20180209

• Change library PubSubClient.h define MQTT_MAX_PACKET_SIZE from 512 to 1000 for Home Assistant support
• Change relation of define MESSZ being dependent on PubSubClient.h define MQTT_MAX_PACKET_SIZE
• Change command color parameter input checks to less strict for Home Assistant support
• Change command Ina219Mode into command Sensor13
• Change commands HlwPCal, HlwUCal and HlwICal to PowerCal, VoltageCal and CurrentCal to be used for both Pow and S31 calibration
• Change commands HlwPSet, HlwUSet and HlwISet to PowerSet, VoltageSet and CurrentSet to be used for both Pow and S31 calibration
• Change uptime from hour to second resulting in a display of 123T13:45:21 where 123 is days
• Change module name Wemos D1 mini into Generic (#1220)
• Change HTML from width=100% to style=width:100% supporting HTML5 (#1358)
• Change OSWATCH_RESET_TIME (Blocked loop) from 30 to 120 seconds to allow slow networks (#1556)
• Change WIFI_MANAGER_SEC into WIFI_CONFIG_SEC (#1616)
• Change function pointers code to save code space and memory (#1683)
• Change webserver argument processing gaining 5k code space (#1705)
• Change weblog memory usage (#1730, #1793, #1819)
• Update TasmotaSerial library to 1.1.0
• Update language files Italian (#1594), Dutch (#1723) and Spanish (#1722)
• Fix Non-English JSON temperature unit attachement
• Fix Arilux RF induced exception by moving interrupt handler to iram on non ESP8266/Arduino lib v2.3.0
• Fix truncated command names and wrong response for DomoticzSwitchIdx (#1571)
• Fix %-sign issue as printf escape character in Humidity and Sonoff SC (#1579)
• Fix DS18B20 temperature JSON decimal dot (#1561)
• Fix Energy JSON message (#1621)
• Fix IRSend parameter translation (#1636)
• Fix TSL2561 device detection (#1644, #1825)
• Fix BME680 teleperiod resistance measuring (#1647)
• Fix Energy Monitoring Energy Today and Energy Total reading after restart (#1648)
• Fix IRReceive Data value (#1663)
• Fix Energy Monitoring Energy Period roll-over (#1688)
• Fix compiler warnings (#1774)
• Fix command PWM response if no PWM channel is configured (#1783)
• Add locale Decimal Separator to Web sensor page
• Add ColorTemperature to light status message
• Add command PowerOnState option 5 which inverts PulseTime and allows for delayed always on after power on
• Add OtaMagic two step Web server OTA upgrade using filename-minimal image if OTA free space is too small
• Add support for PMS5003 and PMS7003 particle concentration sensor
• Add command SetOption21 1 to allow Energy Monitoring when power is off on Sonoff Pow and Sonoff S31 (#1420)
• Add Chinese language file (#1551)
• Add French language file (#1561)
• Add Spanish language file (#1589)
• Add HTTP Allow Cross Origin removed from ESP8266/Arduino lib v2.4.0 (#1572)
• Add Home Assistant MQTT Discovery for switch and light to be enabled by command SetOption19 1 (#1534) or define HOME_ASSISTANT_DISCOVERY_ENABLE in user_config.h (#1685)
• Add command State to retrieve device state information (same data as teleperiod state and status 11 in slightly different JSON format)
• Add optional login to Webserver AP mode (#1587, #1635)
• Add command Sensor15 2 to start MHZ19(B) Zero Point Calibration (#1643)
• Add support for Sonoff S31 Smart Socket with Power Consumption Detection (#1626)
• Add command SetOption20 to allow update of Dimmer/Color/Ct without turning power on (#1719, #1741)
• Add NTP sync time slot based on chip id (#1773)
• Add cursor pointer to web button (#1836)

5.11.1 20180107

• Fix Sonoff Pow command handling (#1542)

5.11.0 20180107

• Minor webpage HTML optimizations (#1358)
• Updated German translation (#1438)
• Change Sonoff Pow Energy MQTT data message and consolidate Status 8 into Status 10
• Change ADS1115 default voltage range from +/-2V to +/-6V (#1289)
• Change text to Active for 3 minutes (#1364)
• Change Wemo SetBinaryState to distinguish from GetBinaryState (#1357)
• Change output of HTTP command to valid JSON and Array only (#1363)
• Removed all MQTT, JSON and Command language defines from locale files and set fixed to English (#1473)
• Renamed commands Color2,3,4 to Color3,4,5
• Fix BME280 calculation (#1051)
• Fix Sonoff Bridge missed learned key if learned data contains 0x55 (End of Transmission) flag (#1095, #1294)
• Fix PWM initialization in Dimmer/Color mode (#1321)
• Fix Wemo Emulation (#1357)
• Fix display of build date and time in non-english locale (#1465)
• Fix Wemo and Hue emulation by adding M-Search response delay (#1486)
• Add libraries Adafruit_BME680-1.0.5, Adafruit_Sensor-1.0.2.02, TasmotaSerial-1.0.0 and TSL2561-Arduino-Library
• Add command Color2 to set color while keeping same dimmer value
• Add device function pointers
• Add support for SenseAir S8 CO2 sensor
• Add color led signal to Carbon Dioxide (CO2) sensors using defines CO2_LOW and CO2_HIGH in user_config.h
• Add support for Domoticz Air Quality sensor to be used by MH-Z19(B) and SenseAir sensors
• Add support for PZEM004T energy sensor
• Add support for iTead SI7021 temperature and humidity sensor by consolidating DHT22 into AM2301 and using former DHT22 as SI7021 (#735)
• Add support for BME680 using adafruit libraries (#1212)
• Add support for MH-Z19(B) CO2 sensor (#561, #1248)
• Add multipress support and more user configurable GPIO to Sonoff Dual R2 (#1291)
• Add support for TSL2561 using adafruit library (#661, #1311)
• Add support for SHT3x (#1314)
• Add support for Arilux LC06 (#1414)
• Add Italian language file (#1449)
• Add 2nd Gen Alexa support to Wemo emulation discovery (#1357, #1450)
• Add define for additional number of WS2812 schemes (#1463)

5.10.0 20171201

• Upgrade library ArduinoJson to 5.11.2
• Upgrade library IRRemoteEsp8266 to 2.2.1 + 2 commits but disabled some protocols (code size reduction)
• Upgrade library NeoPixelBus to 2.2.9
• Upgrade library OneWire to 2.3.3 + 6 commits and disabled CRC lookup-table (#define ONEWIRE_CRC8_TABLE 0) (code size reduction)
• Update library PubSubClient to 2.6 + 9 commits and additional delay (#790)
• Update core_esp8266_wiring_digital.c to latest (staged) level
• Patch library I2Cdevlib-Core for esp8266-core 2.4.0-rc2 compatibility
• Remove command EnergyReset 1..3 now replaced by EnergyReset1 to EnergyReset3
• Remove spaces in JSON messages (code size reduction)
• Renamed xsns_05_ds18x20.ino to xsns_05_ds18x20_legacy.ino still using library OneWire and providing dynamic sensor scan
• Fix possible iram1_0_seg compile error by shrinking ICACHE_RAM_ATTR code usage
• Fix PWM watchdog timeout if Dimmer is set to 100 or Color set to 0xFF (#1146)
• Fix Sonoff Bridge Learn Mode hang caused by unrecognised RF code (#1181)
• Fix blank console log window by using XML character encoding (#1187)
• Fix wrong response name for command HlwISet (#1214)
• Fix DHT type sensor timeout recognition by distinguish "signal already there" from "timeout" (#1233)
• Add fixed color options 1..12 to command Color
• Add + (plus) and - (minus) to commands Dimmer (+10/-10), Speed and Scheme
• Add + (plus) and - (minus) to command Color to select 1 out of 12 preset colors
• Add + (plus) and - (minus) to command Ct to control ColdWarm led ColorTemperature (+34/-34)
• Add commands EnergyReset1 0..42500, EnergyReset2 0..42500 and EnergyReset3 0..42500000
• to (Re)set Energy Today, Yesterday or Total respectively in Wh (#406, #685, #1202)
• Add optional ADS1115 driver as alternative for unsupported I2Cdevlib in esp8266-core 2.4.0-rc2
• Add support for INA219 Voltage and Current sensor to be enabled in user_config.h with define USE_INA219
• Add support for Arilux LC11 (Clearing RF home code when selecting no Arilux module)
• Add support for WS2812 RGBW ledstrips to be enabled in user_config.h with define USE_WS2812_CTYPE (#1156)
• Add SettingsSaveAll routine to command SaveData to be used before controlled power down (#1202)
• Add option PUSHBUTTON_TOGGLE (SwitchMode 7) to allow toggling on any switch change (#1221)
• Add new xdrv_05_ds18x20.ino free from library OneWire and add the following features:
• Add support for DS1822
• Add forced setting of 12-bit resolution for selected device types (#1222)
• Add read temperature retry counter (#1215)
• Fix lost sensors by performing sensor probe at restart only thereby removing dynamic sensor probe (#1215)
• Fix sensor address sorting using ascending sort on sensor type followed by sensor address
• Rewrite JSON resulting in shorter message allowing more sensors in default firmware image:
• "DS18B20-1":{"Id":"00000483C23A","Temperature":19.5},"DS18B20-2":{"Id":"0000048EC44C","Temperature":19.6}
• Add additional define in user_config.h to select either single sensor (defines disabled), new multi sensor (USE_DS18X20) or legacy multi sensor (USE_DS18X20_LEGACY)
• Add clock support for more different pixel counts (#1226)
• Add support for Sonoff Dual R2 (#1249)
• Add FriendlyName to web page tab and add program information to web page footer (#1275)

5.9.1 20171107

• Add external sensor function pointer interface to enable easy sensor addition
• Add support for ADS1115 to be enabled in user_config.h and needs libraries i2cdevlib-Core and i2cdevlib-ADS1115 (#338, #660)
• Fix Backup Configuration file download failure by defining proper file size (#1115)
• Fix Exception 26 and empty console screen after usage of command WakeupDuration (#1133)
• Fix some changed iTead web links in README.md (#1137)

5.9.0 20171030

• Rewrite code (partly) using Google C++ Style Guide (https://google.github.io/styleguide/cppguide.html)
• Rewrite code by using command lookup tables and javascript (client side) web page expansions
• Change HTML/CSS to enable nicer form field entry
• Change default PWM assignments for H801 RGB(CW) led controller to support optional Color/Dimmer control
• GPIO04 (W2) from GPIO_PWM2 to GPIO_USER to be user configurable for GPIO_PWM5 (second White - Warm if W1 is Cold)
• GPIO12 (Blue) GPIO_PWM3 no change
• GPIO13 (Green) from GPIO_PWM4 to GPIO_PWM2
• GPIO14 (W1) from GPIO_PWM1 to GPIO_USER to be user configurable for GPIO_PWM4 (first White - Cold or Warm)
• GPIO15 (Red) from GPIO_PWM5 to GPIO_PWM1
• Change default PWM assignments for MagicHome RGB(W) led controller to support optional Color/Dimmer control
• GPIO05 (Green) from GPIO_PWM4 to GPIO_PWM2
• GPIO12 (Blue) from GPIO_PWM5 to GPIO_PWM3
• GPIO13 (White) GPIO_USER to be user configurable for GPIO_PWM4 (White - Cold or Warm)
• GPIO14 (Red) from GPIO_PWM3 to GPIO_PWM1
• Change default PWM assignment for Witty Cloud to support optional Color/Dimmer control (#976)
• GPIO12 (Green) from GPIO_PWM4 to GPIO_PWM2
• GPIO13 (Blue) from GPIO_PWM5 to GPIO_PWM3
• GPIO15 (Red) from GPIO_PWM3 to GPIO_PWM1
• Change when another module is selected now all GPIO user configuration is removed
• Change command name IRRemote to IRSend (#956)
• Remove Arduino IDE version too low warning as it interferes with platformio.ini platform = espressif8266_stage
• Fix command FullTopic entry when using serial or console interface
• Fix possible UDP syslog blocking
• Fix minimum TelePeriod of 10 seconds set by web page
• Fix command GPIOx JSON response (#897)
• Fix inverted relay power on state (#909)
• Fix compile error when DOMOTICZ_UPDATE_TIMER is not defined (#930)
• Fix alignment of web page items in some browsers (#935)
• Fix setting all saved power settings to Off when SetOption0 (SaveState) = 0 (#955)
• Fix timezone range from -12/12 to -13/13 (#968)
• Fix Southern Hemisphere TIME_STD/TIME_DST (#968)
• Fix TLS MQTT SSL fingerprint test (#970, #808)
• Fix virtual relay status message used with Color/Dimmer control (#989)
• Fix command IRSend and IRHvac case sensitive parameter regression introduced with version 5.8.0 (#993)
• Fix pressure calculation for some BMP versions regression introduced with version 5.8.0i (#974)
• Fix Domoticz Dimmer set to same level not powering on (#945)
• Fix Blocked Loop when erasing large flash using command reset 2 (#1002)
• Fix relay power control when light power control is also configured as regression from 5.8.0 (#1016)
• Fix Mqtt server mDNS lookup only when MqttHost name is empty (#1026)
• Add debug information to MQTT subscribe
• Add translations to I2Cscan
• Add translation to BH1750 unit lx
• Add light scheme options (Color cycle Up, Down, Random) and moving WS2812 schemes up by 3
• Add Domoticz counter sensor to IrReceive representing Received IR Protocol and Data
• Add option 0 to MqttHost to allow empty Mqtt host name
• Add support for Arilux AL-LC01 RGB Led controller (#370)
• Add esp8266 de-blocking to PubSubClient library (#790)
• Add Domoticz sensors for Voltage and Current (#903)
• Add platformio OTA upload support (#928, #934)
• Add warning to webpage when USE_MINIMAL is selected (#929)
• Add smoother movement of hour hand in WS2812 led clock (#936)
• Add support for Magic Home RGBW and some Arilux Led controllers (#940)
• Add command SetOption15 0 (default) for command PWM control or SetOption15 1 for commands Color/Dimmer control to PWM RGB(CW) leds (#941)
• Add Domoticz counter sensor to Sonoff Bridge representing Received RF code (#943)
• Add support for Luani HVIO board (https://luani.de/projekte/esp8266-hvio/) (#953)
• Add PWM initialization after restart (#955)
• Add IR Receiver support. Disable in user_config.h (#956)
• Add support for inverted PWM (#960)
• Add Sea level pressure calculation and Provide command Altitude (#974)
• Add support for up to 8 relays (#995)
• Add commands RfSync, RfLow, RfHigh, RfHost and RfCode to allow sending custom RF codes (#1001)
• Add retain to ENERGY messages controlled by command SensorRetain (#1013)
• Add commands Color2, Color3, Color4, Width2, Width3, Width4 and SetOption16 to set Ws2812 Clock parameters (#1019)
• Add German language file (#1022)
• Add support for connecting to MQTT brokers without userid and/or password (#1023)
• Add support for esp8266 core v2.4.0-rc2 (#1024)
• Add commands PwmRange 1,255..1023 and PwmFrequency 1,100..4000 (#1025)
• Add Polish language file (#1044, #1047)
• Add support for KMC 70011 Power Monitoring Smart Plug (#1045)
• Add support for VEML6070 I2C Ultra Violet level sensor (#1053)
• Add light turn Off Fade (#925)
• Add IrSend command option Panasonic as IrSend {"Protocol":"Panasonic", "Bits":16388, "Data":<Panasonic data>}
• where 16388 is 0x4004 hexadecimal (#1014)
• Add retry counter to DHT11/21/22 sensors (#1082)

5.8.0 20170918

• Remove the need for NeoPixelBus library for Hue support
• Consolidate WS2812 into Sonoff Led for flexible future led strip library changes
• Invert WS2812 fade speed to align with Sonoff led (Speed 1 = fast, Speed 8 = slow)
• Remove upper case MQTT receive buffer
• Reduce code and string length for output of commands Modules and GPIOs
• Add Sonoff SC debug information
• Change syslog service
• Removed webserver syslog disable as now no longer needed
• Increased default MQTT message size from 368 to 405 bytes while keeping MQTT_MAX_PACKET_SIZE = 512 (because we can)
• Fix MQTT Offline or Remove MQTT retained topic code
• Fix Domoticz loop when Emulation is selected
• Add blink to WS2812 and Sonoff Led (#643)
• Add option WIFI_WAIT (5) to command WifiConfig to allow connection retry to same AP without restart or update flash (#772, #869)
• Add support for Witty Cloud (#794)
• Add GPIO14 to Sonoff Dual (#797, #839)
• Add support for Yunshan Wifi Relay (#802)
• Add GPIO16 input pulldown (#827)
• Add timeout to DHT and DS18B20 sensors (#852)
• Fix watchdog timeout caused by lack of stack space by moving to heap (#853)
• Allow LogPort and MqttPort up to 65535 and add LogPort tot Status 3 (#859)
• Allow command SwitchTopic in group mode (#861)
• Allow command SwitchMode if no switches are defined (#861)
• Add optional dimmer parameter to command Wakeup for WS2812, AiLight, Sonoff B1, Led and BN-SZ01 (#867)
• Fix basic On, Off, Toggle, Blink and BlinkOff commands when other language is selected (#874)

5.7.1 20170909

• Remove leading spaces from MQTT data
• Fix webconsole special character entry
• Allow # as prefix for color value
• Fix Alexa detection and Hue App Update Request (#698, #854)

5.7.0 20170907

• Shrink module configuration webpage
• Fix settings order during startup to allow for displaying debug messages
• Fix some string length issues
• Add more string length tests by using strncpy
• Add Ai-Thinker RGBW led (AiLight)
• Add Power check and add PulseTime to power check at startup (#526)
• Add Supla Espablo support (#755)
• Add more precision to Sonoff Pow period and power results using command WattRes 0|1 (#759)
• Add basic internationalization and localization (#763)
• Add more Sonoff Pow range checking (#772)
• Fix invalid JSON (#786, #822)
• Add duplicate check to received RF signal within 2 seconds for Sonoff Bridge (#810)

5.6.1 20170818

• Change module list order in webpage
• Fix Sonoff T1 1CH and 2CH configuration (#751)

5.6.0 20170818

• Fix Sonoff Pow intermittent exception 0
• Change Sonoff Pow sending Domoticz telemetry data only
• Add Ai-Thinker RGBW led (AiLight) (experimental)
• Add NeoPixelBus library to Sonoff Led for Hue support
• Add user configurable GPIO4 and GPIO5 to module Sonoff Bridge
• Add Sonoff B1 RGBCW led support with command Color RRGGBBCCWW (#676)
• Add command CT 152..500 to Sonoff Led and Sonoff B1 to control Color Temperature
• Add Cold-Warm slider to web page for Sonoff Led and Sonoff B1
• Add CT parameter to Hue
• Add Sonoff T1 support (#582)
• Add AnalogInput0 if configured as Analog Input to webpage (#697, #746)
• Add command SetOption14 0|1 to enable interlock mode (#719, #721)
• Fix Mitsubishi HVAC IR power controll (#740)

5.5.2 20170808

• Extent max number of WS2812 pixels from 256 to 512 (#667)
• Add OTA handling if server responds with no update available (#695)
• Removed undocumented command FlashMode (#696)
• Fix compile time error message due to increased message buffer size (#703)

5.5.1 20170805

• Fix Sonoff Rf Bridge issues
• Add Sonoff RF Bridge MQTT messages on received and learned RF signal
• Add command VoltRes 0|1 to select voltage resolution to 0.1 V (#654)
• Add averaging to Analog input (#686)
• Add Energy tele data on Sonoff Pow Threshold change (#688)
• Fix inconsistent property names in Messages (#690)

5.5.0 20170730

• Reduce code space by removing the following commands as they are replaced by SetOption alternatives:
• SaveState = SetOption0
• ButtonRestrict = SetOption1
• Units = SetOption2
• MQTT = SetOption3
• MQTTResponse = SetOption4
• TempUnit = SetOption8
• Smoothing WS2812 animation poll, invert fade speed and max allowed wakeup time down to 3000 seconds
• Fix initial button press detection
• Add support for Sonoff RF Bridge 433 using command RfKey
• Fix regression from 5.0.7 by increasing message buffer size from 360 to 368 to accomodate 4 x DS18x20 sensors (#637)
• Add GroupTopic to Topic test when using ButtonTopic/SwitchTopic to send either ON/OFF or TOGGLE (#642)
• Adjust HLW calibration limits to accomodate HuaFan device and add commands HlwPSet, HlwUSet and HlwISet (#654)

5.4.0 20170725

• Fix command reset regression introduced in 5.2.0
• Increase polling from 0.1 second to 0.05 second
• Add multipress to all buttons
• Fix button 1 double press behaviour on multi relay devices
• Add support for Hua Fan Smart Socket (#479)
• Add support for Sonoff 4ch Pro (#565)
• Add command SetOption13 1 to allow immediate action on single button press
• (disables multipress, hold and unrestricted commands) (#587)

5.3.0 20170715

• Major Hue rewrite which might introduce Alexa problems. If so, initiate an issue
• Add support for Sonoff Led and BN-SZ01 Ceiling Led brightness control to Hue
• Fix Sonoff Led Power, Dimmer and Color MQTT response (#176)
• Add commands Delay and Backlog to allow multiple commands at once separated by ";" (#593)
• Use default flashmode DOUT to solve restart hangs on esp8285 chips (#453, #598)
• Change Web console column width from 99 to 300 (#599)

5.2.4 20170703

• Removed flash mode update after selecting different module solving esp8285 related problems
• Add device type flag to sonoff_template.ino
• Change Sonoff Led Wakeup and add support for Sonoff BN-SZ01 Led (#567)

5.2.3 20170630

• Change Sonoff Led color conversion code
• Fix SetOption12 handling
• Simplify auto configuration upgrade
• Add option Upgrade <version_number> to only upgrade to any higher version (Old PR #213)
• Change FallbackTopic to cmnd/<MQTTClient>/<command> <parameter> bypassing FullTopic and Prefix (#538)

5.2.2 20170625

• Add configuration SaveAddress to Status 1 and Information Page
• Change Sonoff Led Color conversion from AtoH to strtol
• Fix possible wrong uploads due to configuration overwrites (#542)
• Fix payload negative numbers (#547)

5.2.1 20170622

• Fix Restore Configuration in case of lower version
• Revert auto configuration upgrade allowing easy upgrade which was removed in version 5.2.0
• Fix config auto upgrade from versions below version 4.1.1 (#530)

5.2.0 20170619

• Add command SetOption12 1 to disable newly released configuration flash rotate to reduce flash wear
• Fix command CounterDebounce by removing test for active GPIO (#524)
• Add command SetOption33 1..250 to allow user configure POW Max_Power_Retry count (#525)

5.1.7 20170616

• Prep removal of SetOptions alternatives
• Restore webpage upgrade error messages removed in 5.1.5
• Add hold button functionality to buttons 2 to 4
• Add command SetOption32 1..100 to set Key Hold Time from 0.1 seconds to 10 seconds (#200)
• Allow slashes in Topic, GroupTopic, ButtonTopic and SwitchTopic (#507)
• Changed webpage form actions from post to get and use relative path url (#434, #522)

5.1.6 20170606

• Shrink code
• Removed online configuration of Domoticz In and Domoticz Out MQTT strings
• Removed commands DomoticzInTopic and DomoticzOutTopic
• Add define KEY_HOLD_TIME to configure button hold threshold before sending MQTT Hold message
• Add command StateText4 to configure button MQTT Hold text (= MQTT_CMND_HOLD)
• Add command SetOption11 0|1 to swap pushbutton single and double press functionality (#200)
• Add command SwitchMode 5 (PUSHBUTTONHOLD) and 6 (PUSHBUTTONHOLD_INV) (#489)

5.1.5 20170604

• Shrink code in preparation to ESP8266-Arduino 2.4.0-rc1
• Add effect parameter to HUE Device (#464)

5.1.4 20170601

• Removed pre-compiled versions from repository as they are available within the release
• Changed HUE Device type to color supporting version (#464)
• Fix compile error when BE_MINIMAL is selected (#467, #476)
• Add multiple compiled versions to release using updated Travis script and platformio.ini (#467)

5.1.3 20170520

• Add Domoticz Counter

5.1.2 20170519

• Fix Counter/Timer JSON message and update Counter/Timer on webpage
• Fix WS2812 Domoticz related regression issues

5.1.1 20170517

• Allow command FullTopic in group mode
• Prepare for more use of RTC memory
• Add independant WS2812 led string power control (#386, #390)
• Add command Counter to control up to four GPIO falling edge interrupt counters or timers (#459)
• Add command CounterType to select between pulse counting or pulse timing
• Add command CounterDebounce to select global counter debounce time in mSec

5.1.0 20170513

• Fix Offline/Removal of retained topic when FullTopic is changed
• Add FullTopic to MQTT Configuration and Information web pages
• Add license model GPLv3 (#188)

5.0.7 20170511

• Fix possible exception 28 on empty command
• Add command SetOption0 as replacement for SaveState
• Add command SetOption1 as replacement for ButtonRestrict
• Add command SetOption2 as replacement for Units
• Add command SetOption4 as replacement for MqttResponse
• Add command SetOption8 as replacement for TempUnit
• Add command SetOption10 On|Off to select between Offline or Removing previous retained topic (#417, #436)

5.0.6 20170510

• Remove hyphen in case of a single DHT sensor connected (#427)
• Add command MqttRetry to change default MQTT reconnect retry timer from minimal 10 seconds (#429)

5.0.5 20170508

• Add command FullTopic with tokens %topic% (replaced by command Topic value) and
• %prefix% (replaced by command Prefix values) for more flexible topic definitions (#244)
• See wiki > MQTT Features https://github.com/arendst/Tasmota/wiki/MQTT-Features for more information

5.0.4 20170505

• Add Sonoff Pow Energy Total up to 40 MWh
• Add command EnergyReset 1|2|3 to reset Energy counters (#406)
• Fix Domoticz Energy logging (#411)
• Add command PowerOnState 4 to keep relay always on and disabling all power control (#418)

5.0.3 20170504

• Add command SensorRetain on|off to enable retaining of mqtt message tele/sonoff/SENSOR (#74)
• Change WifiConfig timeout from 60 seconds to 180 seconds (#212)
• Change Sonoff Touch command Ledstate functionality by turning led on if power is off (#214)
• Add 4 seconds delay after power on before enabling button to workaround Wemos D1 mini RTS circuit (#380)

5.0.2 20170503

• Reset SaveData, SaveState and MqttResponse to default values due to rearranging settings
• Moved some settings to flag area
• Add command TempUnit Celsius|Fahrenheit for selecting Celsius or Fahrenheit (#347)
• Add command TempRes 0..3 for selecting Temperature Resolution (#347)
• Add command HumRes 0..3 for selecting Humidity Resolution (#347)
• Add command PressRes 0..3 for selecting Pressure Resolution (#347)
• Add command EnergyRes 0..5 for selecting Energy Resolution (#347)
• Add "TempUnit":"C|F" to sensor JSON output (#347)
• Add support for up to three DHT type sensors each using a different GPIO (#339, #404)

5.0.1 20170429

• Adjust Sonoff SC messages to prepare for display feature
• Move static data from RAM to Flash
• Fix PowerOnState for some devices not reporting "Power on" state (#284, #380, #383)

5.0.0 20170425

• Memory status message update
• Fix setting migration to better preserve settings during move (#382)
• Best practice is first doing a Backup Configuration before installing version 5.0.0
• Reset save count after setting move
• Start using new linker script without SPIFFS

4.2.0 20170424

• Prepare for SPIFFS removal by moving settings to EEPROM area
• Fix compilation error when webserver is disabled (#378)

4.1.3 20170410

• Add user configuarble GPIO to module S20 Socket and Slampher
• Add support for Sonoff SC (#112)
• Set PWM frequency from 1000Hz to 910Hz as used on iTead Sonoff Led firmware (#122)
• Set Sonoff Led unconfigured floating outputs to 0 to reduce exceptions due to power supply instabilities (#122)
• Add Access Point Mac Address to Status 11 and Telemetry (#329)
• Fix DS18B20 negative temperature readings (#334)

4.1.2 20170403

• Rename Unrecognised command to Unknown command
• Remove all command lists
• Remove command SmartConfig (superseded by WifiConfig)
• Fix boot loop when selecting module Sonoff 4CH or Sonoff Touch on non ESP8285 hardware
• Add optional support for Toshiba and Mitsubishi HVAC IR control (needs updated IRremote8266 library) (#83, #257)
• Add all configured switches to Domoticz Configuration web page (#305)
• Fix compile error when selecting WS2812 DMA (#313)

4.1.1 20170329

• Fix default Telemetry for command Prefix3
• Fix webserver Module parameters for disabled select
• Fix sensor status for enabled switches
• Remove Light as alternative for Power (save code space)
• Remove migration option from pre V3 (code cleanup)
• Remove unofficial SPIFFS support (code cleanup)
• Remove command list when unknown command is entered (save code space)
• Rename Status11 json from StatusPWR to unique StatusSTS
• Rename command Gateway to IPAddres2, Subnetmask to IPAddress3 and DnsServer to IPAddress4 (save code space)
• Add Command MqttResponse to select either command or RESULT topic as response (#258)
• Add command StateText1 to StateText3 to assign MQTT_STATUS_OFF, MQTT_STATUS_ON and MQTT_CMND_TOGGLE respectively (#286)
• Remove restart after IPAddress changes (#292)
• Add support for MAX31850 in xsns_ds18x20.ino (#295)
• Fix possible uptime update misses (#302)

4.1.0 20170325

• Change static IP addresses in user_config.h from list (using commas) to string (using dots)
• Unify display result of commands Modules, Module and Gpios
• Rewrite Module selection web page to bring size down from 18651 to 4319 bytes (!) (#234, #240)
• Add basic support for (Lixada) H801 RGBWW controller (#252)
• Add command Prefix1 to Prefix3 to assign SUB_PREFIX, PUB_PREFIX and PUB_PREFIX2 respectively (#255)
• Add static ip addresses to flash (#262)
• Add commands IpAddress, Gateway, Subnetmask and DnsServer to select static ip addresses (#273)

4.0.8 20170321

• Fix entering non-numeric webpassword
• Force selection between TLS or Webserver due to memory restraint (#240)
• Allow entering empty string using "0" for selected commands (#242)
• Fix exception when posting commands to web console containing % (#250)

4.0.7 20170319

• Increased Sonoff Led PWM frequency from 432 to 1000
• Fix possible watch dog reboot after changing module type on web page
• Fix reporting of GPIO usage from web page
• Fix Sonoff Led blank during firmware upgrade
• Fix Sonoff Led flicker and possible flash corruption by using latest Arduino-esp8266 versions of pwm core files included in sonoff library (#211)
• Add PWM output control with commands PWM1 to PWM5 using user selectable GPIOs (#211)
• Fix exceptions due to low values of commands HlwPCal (10000), HlwUCal (1000) and HlwICal (2500) (#223)
• Add Switch state to sensor status (#227, #233)
• Add user configuarble GPIO to module Sonoff Touch (#228)
• Add define WEB_PORT to user_config.h to change default web server port from 80 (#232)
• Fix failed Ota Firmware upgrade started from Web page (#235)

4.0.6 20170316

• Fix to better find device by Wifi hostname
• Fix compile error when some I2C devices are disabled
• Add (experimental) support for SHT1X emulating I2C (#97)
• Add ADC to ElectroDragon (#203)
• Add support for Sonoff Dev (#206)

4.0.5 20170314

• Add command Status 11 to show power status with Vcc if define USE_ADC_VCC is enabled (default)
• Add ADC input to Sonoff SV and Wemos D1 mini - Needs recompile with define USE_ADC_VCC disabled (#137)
• Add MQTT host:port to timeout message (#199)

4.0.4 20170312

• Add pulse timers for up to 4 relays (#106)
• Fix Sonoff Led power state when dimmer or color is 0 (#176)
• Add command NtpServer to configure up to three NTP servers (#177)
• Delete module User Test as module Wemos D1 mini has same/more user configurable GPIO (#178)
• Add more user configurable GPIO to module ElectroDragon (#183)

4.0.3 20170309

• Renamed Module NodeMCU to WeMos D1 mini
• Add GPIO1 as user option to some modules
• Add Buttons, Relays and Leds to user configurable options (#159)
• Add description on Module parameters web page to some well known GPIOs (#107, #171)

4.0.2 20170308

• Restore correct seriallog level after Serial logging was disabled
• Add simple dimmer slider to Sonoff Led web page
• Reduced root webpage size by 31%
• Expand Status 2 with Build date/time and core version
• Fix webserver redirection when not in WifiManager mode (#156)
• Add command ButtonRestrict On/Off to restrict access to button hold and button multi press options above 2 (#161)
• Fix DS18S20 negative temperature readings (#165)
• Fix crlf compilation error due to bad syntax (#144, #167)

4.0.1 20170305

• Fix char default sizes and set MESSZ to 360 (#143)
• Fix SerialLog setting status
• Disable syslog when emulation is active
• Add DS18B20 web page display refresh

4.0.0 20170303

• Add define to remove config migration code for versions below 3.0 (See Wiki-Upgrade-Migration path)
• Free memory by switching from String to char[]
• Raised Sonoff Led PWM frequency from 200Hz to 432Hz in search of stability (hardware watchdog timeouts) (#122)
• Increase message size and suggested minimum MQTT_MAX_PACKET_SIZE to 512 (#114, #124)
• Remove runtime warning message regarding MQTT_MAX_PACKET_SIZE too small as it is now moved to compile time (#124)
• Fix possible panics with web console and http commands while UDP syslog is active (#127)
• Add optional static IP address (#129)
• Add define ENERGY_RESOLUTION in user_config.h to allow user control over precision (#136)

3.9.22 20170228

• Update web console
• Fix Status 4 JSON message
• Add Exception info during restart if available
• Add osWatch service to detect loop hangs that might happen during (OTA) upgrades
• Add WiOn support for relay and switch only (#82, #102)
• Allow for user specified relay count up to four in sonoff_template.h (#109)
• Add support for HTU21 compatible I2C sensors SI7013, SI7020 and SI7021 (#118)
• Add NodeMCU or Wemos configuration option (#119)

3.9.21 20170224

• Add ajax to web root page and web console (#79)
• Add commands SwitchMode1..4 and enable user switches 2, 3 and 4 (#84, #88)
• Fix MQTT upgrade when webserver is active

3.9.20 20170221

• Add minimal basic authentication to Web Admin mode (#87)
• Fix Hue and add HSB support (#89)

3.9.19 20170219

• Sonoff Led: Made GPIO04, 05 and 15 available for user
• Sonoff Led: Add commands Fade, Speed, WakupDuration, Wakeup and LedTable

3.9.18 20170218

• Fix ledstate 0 to turn off led
• Fix Sonoff Led dimmer range (#16)
• Change Sonoff Led command Dimmer to act on both cold and warm color
• Add Sonoff Led command Color CCWW where CCWW are hexadecimal values fro 00 - FF
• Reduce Sonoff Led flickering by disabling interrupts during flash save and disabling
• Led during OTA upgrade and Web upload (#16)

3.9.17 20170217

• Fix possible ArduinoJSON related memory fragmentation
• Changed console logging using less memory
• Add GPIO04 as user selectable for Sonoff Dual (#75)

3.9.16 20170214

• Update latching relay handler
• Add support for IR led using IRremoteESP8266 library (#59)
• Add Hue argument passing using ArduinoJSON library (#59)

3.9.15 20170213

• Change JSON float values from string to number according to http://json.org (#56)
• Add support for exs latched relay module https://ex-store.de/ESP8266-WiFi-Relay-V31 (#58)
• Add support for inverted relays
• Changed MAX_LOG_LINES from 70 to 60 to preserve memory

3.9.14 20170211

• Add False and True as alternatives for 0/Off and 1/On (#49)
• Fix Status10 JSON format (#52)
• Fix DS18x20 using OneWire library (#53)

3.9.13 20170210

• Add FlashChipMode to Status 4
• Removed redundant DHT2 option and code
• Add Sonoff SV GPIO pin 05 configuration (#40)
• Add configuration file backup and restore via web page
• Fix latency due to light_sleep mode even if sleep was set to zero (#50)

3.9.12 20170208

• Fix compile error when webserver is disabled (#30)
• Fix possible ESP8285 flash problem by updating Flash Chip Mode to DOUT during OTA upload
• Fix hostname issues by not allowing user entry of string formatting and removing from user_config.h (#36)

3.9.11 20170204

• Fix command I2Cscan
• Fix not allowed spaces in Topic, ButtonTopic and SwitchTopic
• Make all TELEMETRY, STATUS and COMMAND message topics unique (#4)
• Advertise command topic to be used by iobroker (#299)
• Fix butten (non)detection if no GPIO_KEY1 is defined (#13)
• Change WeMo serialnumber from 7 decimal chars to 8 hexadecimal chars (#18)
• Update web page with Build Date/Time, Emulation and mDNS Discovery and Advertise information (#21)

3.9.10 20170130

• Add WS2812 Color Type selection (RGB or GRB) to user_config.h (#7)
• Hue api changes to support HUE App(s) (#8)

3.9.9 20170130

• Add command status 10 showing sensor data
• Fix hlw status messages if hlw is disabled

3.9.8 20170130

• Remove GPIO07 and GPIO08 from user selectable (#5)

3.9.7 20170129

• Fix possible WS2812 exceptions when using emulation
• Add command Emulation to dynamic configure Belkin WeMo and Hue Bridge for Alexa

3.9.6 20170129

• Add dynamic sleep for WS2812 animation (#1)

3.9.5 20170128

• Fix error message in case of wrong Domoticz command

3.9.4 20170127

• Fix Sonoff Dual Relay switching (#287)

3.9.3 20170127

• Add confirmation before Restart via webpage
• Expand Domoticz Configuration webpage with Key, Switch and Sensor Index and
• add commands DomoticzSwitchIdx and DomoticzSensorIdx (#86) (#174) (#219)
• Fix default DHT11 sensor driver selection
• Fix LedPower status after button press (#279)
• Add command Sleep 0 - 250 mSec for optional light sleep mode to lower energy consumption (#272)
• (Expect overall button/key/switch misses and wrong values on Sonoff Pow)
• Add Hue brightness extension (#281)
• Fix Hue brightness and change to call by reference (#283)

3.9.2 20170124

• Add confirmation before Reset Configuration via webpage (#244)
• Add WS2812 features (see Wiki commands)

3.9.1 20170124

• Change PowerOnState function to only trigger when Power On (and not just restart) (#238)
• Move HLW interrupts back to RAM and make WS2812_DMA optional as it generates Exception on Pow (#264)
• Add charset=utf-8 to webpages (#266)
• Update Hue emulation (#268)
• Fix status module number
• Add support for domoticz Dimmer on Sonoff_Led and WS2812
• Fix possible ESP8285 flash problem by updating Flash Chip Mode to DOUT during web upload

3.2.6a 20170120

• Fix Sonoff Pow compile error (#255)
• Move HLW interrupts back to ROM (Needed for WS2812 DMA interrupts)
• Removed all IO config from user_config.h as this will be done by commands or webpage
• Removed MessageFormat and supports JSON only except POWER/LIGHT status
• Add command LedPower to control main led (#247)
• Add more FriendlyNames for Hue (#254)
• Add DMA support for WS2812 when using pin 3 while other pins work just as well in my case...
• Add HUE emulation for Alexa (#229)
• Add basic WS2812 support (#229)
• Fix Wemo when MQTT is disabled (#245)
• Revert ButtonTopic and change SwitchTopic1 - 4 to one SwitchTopic
• Rename MqttUnits to Units
• Add Mqtt command to enable/disable MQTT

3.2.2a 20170115

• Add dynamic (Sonoff) Module, user GPIO and sensor selection (one size fits (almost) all)
• Add support for Sonoff LED
• Add Seriallog disable after 600 seconds for Sonoff Dual and 4 Channel
• Add ButtonTopic2 - 4, SwitchTopic1 - 4 and SwitchRetain

3.2.2 20170113

• Fix PowerOnState 2 functionality after re-applying power (#230)

3.2.1 20170113

• Fix some failed command decoding (#228)
• Removed passwords from status messages (#216)

3.2.0 20170111

• Add I2C BH1750 sensor (#222)
• Sensor rewrite preparing for online selection

3.1.16 20170109

• Fix Domoticz possible error condition
• Remove Wifi password from connection message (#216)
• Add Configure Other menu item to web page (#209)
• Add command FriendlyName, field Friendly Name and define FRIENDLY_NAME to be used by Alexa
• eliminating current use of MQTT_CLIENT_ID (#209)
• Add friendlyname to webpage replacing former hostname

3.1.15 20170108

• Fix Domoticz send key regression with Toggle command

3.1.14 20170107

• Add support for command TOGGLE (define MQTT_CMND_TOGGLE) when ButtonTopic is in use and not equal to Topic (#207)

3.1.13 20170107

• Fix web console command input when SUB_PREFIX contains '/' (#152)
• Add command response to web command (#200)
• Add option to disable MQTT as define USE_MQTT in user_config.h (#200)

3.1.12 20170106

• Add OTA retry to solve possible HTTP transient errors (#204)
• Fix MQTT host discovery

3.1.11 20170105

• Add mDNS to advertise webserver as .local/

3.1.10 20170105

• Fix ButtonTopic when SUB_PREFIX = PUB_PREFIX
• Add workaround for possible MQTT queueing when SUB_PREFIX = PUB_PREFIX
• Add optional MQTT host discovery using define USE_DISCOVERY in user_config.h (#115)

3.1.9 20170104

• Fix Power Blink start position (toggled)
• Change PulseTime increments: 1 .. 111 in 0.1 sec (max 11 seconds) and 112 .. 64900 in seconds (= 12 seconds until 18 hours) (#188)
• Add support for SUB_PREFIX = PUB_PREFIX (#190)

3.1.8 20170103

• Add retain flag to LWT offline and only send "tele/sonoff/LWT Offline" (#179)
• Change retained LWT Online message to only send "tele/sonoff/LWT Online"

3.1.7 20161231

• Add retained message LWT Online when sonoff makes MQTT connection (#179)

3.1.6 20161230

• Add blinking using commands BlinkTime, BlinkCount and Power Blink|3|BlinkOff|4 (#165)

3.1.5 20161228

• Fix serial space command exception (28)

3.1.4 20161227

• Fix MQTT subscribe regression exception (3) (#162)
• Fix serial empty command exception (28)

3.1.3 20161225

• Extent Domoticz configuration webpage with optional indices (#153)
• Fix multi relay legacy tele message from tele/sonoff/2/POWER to tele/sonoff/POWER2
• Add support for iTead Motor Clockwise/Anticlockwise

3.1.2 20161224

• Extent command PowerOnState with toggle at power on (option 2 is now option 3!) (#156)

3.1.1 20161223

• Add support for Sonoff Touch and Sonoff 4CH (#40)
• Update DomoticzIdx and DomoticzKeyIdx with relay/key index (DomoticzIdx1/DomoticzKeyIdx1)
• Add command PowerOnState to control relay(s) at power on (#154)

3.1.0 20161221

• Add Sonoff Pow measurement smoothing
• Fix serial command topic preamble error (#151)
• Fix 2.x to 3.x migration inconsistencies (#146)

3.0.9 20161218

• Add Sonoff Pow voltage reading when relay is on but no load present (#123)

3.0.8 20161218

• Add temperature conversion to Fahrenheit as option in user_config.h (TEMP_CONVERSION) (#145)

3.0.7 20161217

• Add user_config_override.h to be used by user to override some defaults in user_config.h (#58)
• Fix Sonoff Pow low power (down to 4W) intermittent measurements (#123)

3.0.6 20161217

• Fix MQTT_CLIENT_ID starting with % sign as in "%06X" (#142)
• Add auto power off after PulseTime### 0.1 Sec to relay 1 (#134)

3.0.5 20161215

• Add more control over LED with command LedState options (#136, #143)
• LED_OFF (0), LED_POWER (1), LED_MQTTSUB (2), LED_POWER_MQTTSUB (3), LED_MQTTPUB (4), LED_POWER_MQTTPUB (5), LED_MQTT (6), LED_POWER_MQTT (7)
• Add option WIFI_RETRY (4) to command WifiConfig to allow connection retry to other AP without restart (#73)

3.0.4 20161211

• Fix intermittent Domoticz update misses (#133)

3.0.3 20161210

• Fix compiler warnings (#132)
• Remove redundant code
• Fix Domoticz pushbutton support

3.0.2 20161209

• Add pushbutton to SwitchMode (#130)

3.0.1 20161209

• Fix initial config

3.0.0 20161208

• Migrate and clean-up flash layout
• Settings from version 2.x are saved but settings from version 3.x can not be used with version 2.x
• Change SEND_TELEMETRY_RSSI to SEND_TELEMETRY_WIFI and add AP and SSID to telemetry
• Split long JSON messages
• Fix inconsistent status messages
• Fix all status messages to return JSON if enabled
• Remove relay index in cmnd/sonoff//POWER now changed
• to cmnd/sonoff/POWER for single relay units
• and cmnd/sonoff/POWER for multi relay units like Sonoff dual
• Add retain option to Power/Light status controlled by command PowerRetain On|Off (#126)

2.1.2 20161204

• Add support for second wifi AP (#73)
• Update command WifiConfig
• Fix possible WifiManager hang

2.1.1a 20161203

• Fix scan for wifi networks if WeMo is enabled
• Fix syslog setting using web page

2.1.1 20161202

• Add support for ElectroDragon second relay and button (only toggle with optional ButtonTopic) (#110)

2.1.0 20161202

• Add optional EXPERIMENTAL TLS to MQTT (#49)
• Fix MQTT payload handling (#111)
• Optimzed WeMo code

2.0.21a 20161201

• Fix WeMo PowerPlug emulation

2.0.21 20161130

• Add Belkin WeMo PowerPlug emulation enabled with USE_WEMO_EMULATION in user_config.h (Heiko Krupp) (#105, #109)

2.0.20 20161130

• Relax MQTTClient naming but only allows hexadecimal uppercase numbers (#107)
• Add I2C support with command I2CScan
• Add I2C sensor driver for HTU21 as alternate sensor using TH10/16 connectors (Heiko Krupp) (#105)
• Add I2C sensor driver for BMP085/BMP180/BMP280/BME280 as alternate sensor using TH10/16 connectors

2.0.19a 20161127

• Add support for ButtonTopic and ButtonRetain to wall switch function
• Add pullup to SWITCH_PIN and command SwitchMode to syntax

2.0.18 20161126

• Add SUB_PREFIX multi level support allowing 'cmnd' or 'cmnd/level2/level3'
• Add wall switch function to GPIO14 and command SwitchMode (Alex Scott) (#103)

2.0.17 20161123

• Calibrate HLWPCAL from 12345 to 12530
• Add alternative sensor driver DHT2 using Adafruit DHT library
• Add define MESSAGE_FORMAT to user_config.h
• Throttle console messages
• Shorten JSON messages
• Fix possible Panic
• Fix User mode webserver security

2.0.16 20161118

• Add alternative sensor driver DS18x20 using OneWire library (#95)
• Change sensor MQTT message from tele/sonoff/TEMPERATURE to tele/sonoff/DHT/TEMPERATURE or
• tele/sonoff/DS18B20/TEMPERATURE or tele/sonoff/DS18x20/1/TEMPERATURE
• Add sensors to root webpage and auto refresh every 4 seconds (#92)
• Add optional JSON messageformat to all telemetry data
• Enforce minimum TelePeriod to be 10 seconds
• Fix Energy Yesterday reset after restart
• Add Energy Today restore after controlled restart

2.0.15 20161116

• Change TODAY_POWER and PERIOD_POWER to TODAY_ENERGY and PERIOD_ENERGY
• Fix serial regression
• Fix syslog hangs when loghost is unavailable

2.0.14 20161115

• Add HLW threshold delay
• Fix HLW intermittent current deviation
• Fix button functionality during wificonfig
• Add CRC check to DS18B20 sensor (#88)

2.0.13 20161113

• Add additional upload error code descriptions
• Add PlatformIO support (#80)

2.0.12 20161113

• Fix Serial and Web response regression when no MQTT connection available
• Fix Sonoff Dual power telemetric data for second relay
• Removed MQTT password from Information web page
• Hide MQTT password from Configure MQTT web page

2.0.11 20161111

• Rewrite button and web toggle code
• Fix NTP sync
• Add HLW calibration commands HLWPCAL, HLWUCAL and HLWICAL (need define USE_POWERCALIBRATION)
• Fix power threshold tests

2.0.10 20161109

• Add additional Domoticz define (#63)
• Add defines MQTT_STATUS_ON and MQTT_STATUS_OFF in user_config.h to select status On/Off string
• Fix status response differences (#65)
• Fix divide by zero exception (#70)
• Fix syslog loop exception

2.0.9 20161108

• clarify MODULE in user_config.h
• Fix hlw false values

2.0.8 20161108

• Add initial status after power on
• Seperate driver files
• Fix hlw code and calibrate Pow
• Move user config defines to user_config.h (#61)

2.0.7 20161030

• Make Ticker mandatory
• Add Domoticz support (Increase MQTT_MAX_PACKET_SIZE to 400) (#54)
• Add command MessageFormat 0|1 to select either legacy or JSON output

2.0.6 20161024

• Add Sonoff Pow power factor
• Initial support for up to four relays using iTEAD PSB (4Channel)
• • Currently only supports one button (All buttons behave the same)
• • Use command MODEL 4 to select four relay option

• (After first power on it will support 2 relays like Sonoff Dual)
  

• Fix ledstate
• Add command Status 9 to display Sonoff Pow thresholds
• Add commands PowerLow, PowerHigh, VoltageLow, VoltageHigh, CurrentLow and CurrentHigh for use
• with Sonoff Pow thresholds

2.0.5 20161018

• Add updates to user_config.h - moved SEND_TELEMETRY_DS18B20 and SEND_TELEMETRY_DHT to module area.
• As Sonoff TH10/16 does not have the logic installed for GPIO04 You'll have to select ONE of both
• Add Sonoff Pow support (experimental until Pow tested)
• Add command Status 8 to display Sonoff Pow energy values
• Add command MqttUnits On|Off to add units to values
• Change web main page header character size
• Change On/Off to ON/OFF status messages to satisfy openHAB
• Change TEMP to TEMPERATURE and HUM to HUMIDITY

2.0.4 20161009

• Add MQTT_BUTTON_RETAIN, SAVE_DATA and SAVE_STATE defines to user_config.h (#35)
• Update ButtonRetain to remove retained message(s) from broker when turned off
• Add Retain for second relay on Sonoff Dual
• Provide power status messages with device topic index if requested

2.0.3 20161008

• Update wifi initialization
• Add command BUTTONRETAIN for optional MQTT retain on button press (#35)
• Add command SAVESTATE to disable power state save. May be used with MQTT retain

2.0.2 20161006

• Fix wifi issue 2186

2.0.1 20161002

• Fix button press

2.0.0 20161002

• Update Sonoff TH10/16 sensor pins (My TH10 only has GPIO14 connected)
• Add full support for Sonoff dual

1.0.35 20160929

• Add more lines to console
• Add timeout and disable MQTT on web upload
• Add command SAVEDATA to control parameter save (for flash wear afficionados) (#30)

1.0.34 20160926

• Fix button press six and seven
• Add more information to webserver

1.0.33 20160915

• Better WPS error message
• Separate webserver code from support.ino into webserver.ino
• Fix webserver User by removing unwanted restart option

1.0.32 20160913

• Add Wifi Protected Setup (WPS) as third option for initial config
• Add command WIFICONFIG replacing deprecated command SMARTCONFIG
• Add option WIFICONFIG 3 to start WPSconfig
• Add option WIFICONFIG 0 to start saved Wifi config tool (WPSconfig, Smartconfig or Wifimanager)
• Change button behaviour - See Wiki

1.0.31 20160907

• Fix DS18B20 misread if teleperiod = 2
• Tuned sensor code
• Updated prefered ElectroDragon connection to Relay 1 and Button 1
• Moved SONOFF and ELECTRO_DRAGON port config to user_config.h

1.0.30 20160902

• Fix command TELEPERIOD 0
• Add ESP- tag to UDP log message for easy rsyslogd filtering
• Add ElectroDragon (Relay 2 only) functionality. Select with #define MODULE ELECTRO_DRAGON
• Add ? as null message alternative
• Add DHT temperature and humidity telemetry support. Enable with #define SEND_TELEMETRY_DHT
• Add DS18B20 temperature telemetry support. Enable with #define SEND_TELEMETRY_DS18B20
• Restrict HOSTNAME, MQTTCLIENT, TOPIC and BUTTONTOPIC in topic mode only

1.0.29 20160831

• Allow UPGRADE, OTAURL, RESTART, RESET, MQTTHOST, MQTTPORT, MQTTUSER, MQTTPASSWORD and WEBSERVER also in group mode

1.0.28 20160831

• Add webserver state to status 5
• Add optional PUB_PREFIX2 (tele) for telemetry usage
• Add command TELEPERIOD
• Fix syntax message
• Change memory status display

1.0.27 20160831

• Add sketch flash size
• Add console to webserver
• Add command weblog
• Change WifiManager web pages to minimal
• Change display default hostname and MQTT client id in webserver
• Change HTTP command interface to http://sonoff-1234/cm?cmnd=light 2
• Change HEARTBEAT to UPTIME

1.0.26 20160829

• Add define USE_WEBSERVER to disable web server code in source
• Add file upload as alternative for ota upload to webserver
• Add information to webserver
• Add command hostname
• Add command logport
• Change HTTP command interface to http://sonoff-1234/cmd?cmnd=light 2
• Change button behaviour with regards to Smartconfig and OTA upload. See README.md
• Enforce default hostname to either "%s-%04d" or user defined without any %
• Enforce default mqtt client id to either "DVES_%06X" or user defined without any %

1.0.25 20160822

• Remove config system halts to keep ota available

1.0.24 20160821

• Add test for MQTT_SUBTOPIC
• Change log range to LOG_LEVEL_ALL
• Change MQTT introduction messages
• Moved MQTT_MAX_PACKET_SIZE warning message to introduction messages

1.0.23 20160821

• Add option USE_SPIFFS to move config from flash to spiffs
• Add webserver with options 0 (off), 1 (user) and 2 (admin)
• Add HTTP command interface (http://sonoff-1234/c?cmnd=light 2)
• Add wifimanager countdown counter
• Add command line webpage
• Add relay control to wifimanager
• Add restart option 99 to force restart
• Fix wifi hostname
• Fix NETBIOS hostname problem by reducing default hostname length
• Fix possible exception if WIFI_HOSTNAME is changed
• Fix upgrade messages
• Reduce memory use by redesigning config routines
• Split syntax message
• Rename define SERIAL_IO to USE_SERIAL

1.0.22 20160814

• Add all MQTT parameters for configuration
• Add wifimanager to configure Wifi and MQTT via web server
• Change NTP time handling
• Fix Smartconfig parameter buffer overflow
• Fix PlatformIO warnings

1.0.21 20160808

• Remove semaphore as subscription flooding (more than 15 subscriptions per second) is managed by SDK (LmacRxBlk:1)
• Add optional RTC interrupt (define USE_TICKER) to keep RTC synced during subscription flooding
• Remove heartbeatflag

1.0.20 20160805

• Add semaphore to handle out of memory when too many subscriptions requested
• Use Daylight Saving (DST) parameters from user_config.h when timezone = 99
• Add status 7 option displaying RTC information
• Add ledstate to status 0

1.0.19 20160803

• Fix possible MQTT_CLIENT_ID induced Exception(28)

1.0.18 20160803

• Moved Cfg_Default
• Fix negative data handling
• Remove MQTT information from status 1 and add labels to status 1
• Add mac address to status 5
• Add MQTT ClientId, UserId and Password to status 6

1.0.17 20160731

• Better variable range checking
• Change ambiguous connection messages
• Add timestamp to serial message

1.0.16 20160729

• Moved wifi, rtc, syslog and config to support.ino
• Fixed button action when buttontopic is used. Introduced with 1.0.15
• Better buffer overflow checks (strlcpy)

1.0.15 20160728

• Removed pubsubclient config changes from sonoff.ino as it doesn't work
• reapply MQTT_MAX_PACKET_SIZE 256 and MQTT_KEEPALIVE 120 to PubSubClient.h
• Add status 0 option displaying all status messages
• Change MQTT_MAX_PACKET_SIZE from 1024 to 256
• Add buffer overflow checks (snprintf and strncpy)
• Implemented common string sizes

1.0.14 20160722

• Seperate user config from sonoff.ino to user_config.h (pucebaboon)
• Change defaults from sidnas2 to domus1
• Add MQTT status message as status 6 (pucebaboon)
• Add status type to message (pucebaboon)
• Add pubsubclient config changes to sonoff.ino (pucebaboon)

1.0.13 20160702

• Add Ledstate 1 option to show power state on led

1.0.12 20160529

• Allow disable of button topic using "0"

1.0.11 20160524

• Provide button response if MQTT connection lost

1.0.10 20160520

• Add optional button topic to assist external MQTT clients
• Change version notation
• Reset default values

1.0.9 20160503

• Add more blinks
• Add reset 2 option erasing flash
• Add status 5 option displaying network info
• Add syslog check for Wifi connection
• Resize MqttPublish log array
• Change Wifi smartconfig active from 100 to 60 seconds
• Update Wifi initialization

1.0.8 20160430

• Remove use of Wifi config data from SDK
• Add status 3 (syslog info) and status 4 (flash info)
• Add restart option to button (5 quick presses)

1.0.7 20160420

• Add UDP syslog support
• Change HOST command to MQTTHOST command
• Add commands SYSLOG, SERIALLOG and LOGHOST
• Change hostname to lower case to distinguise between open-sdk version
• Add support for ESP-12F used in my modified wkaku power socket switch
• Fix timezone command
• Add RTC month names for future use
• Modify button code
• Remove initialization errors by better use of MQTT loop

1.0.6 20160406

• Removed Wifi AP mode (#1)
• Add test for Arduino IDE version >= 1.6.8
• Fix RTC time sync code

1.0.5 20160310

• Initial public release
• Show debug info by selecting option from IDE Tools Debug port: Serial