ThingsBoard IoT Gateway

🛠 Improvements

⚙️ Core:

• Added support for offline Docker builds and image exports for air-gapped environments (#2111) @wbg1991

🧩 MQTT connector:

• Updated default config (#2147) @samson0v

🧩 Modbus connector:

• Added Modbus function 16 word order regression coverage (#2134) @ilyar
• Updated default config (#2147) @samson0v
• Added maxRegistersPerRequest parameter for batch reading (#2118) @samson0v

🧩 OPC-UA connector:

• Updated default config (#2147) @samson0v

🧩 Request connector:

• Updated default config (#2147) @samson0v
• Added RPC to Connector support (#2121) @Andry925

🐛 Bug fixes

🐛 Core:

• Fixed server certificate verification (#2156) @samson0v
• Fixed silent disabling remote configuration on self-provisioning gateways (#2139) @apachler
• Fixed TB connection recovering after it is lost (#2140) @apachler
• Fixed tlsAccessToken authentication (#2131) @Andry925
• Prevent custom connectors from colliding (#2117) @ecoutier

🐛 Modbus connector:

• Added maxRegistersPerRequest config param validation (#2154) @samson0v
• Fixed registers count in batch reading (#2053) @Sherlock-Shen

🐛 OPC-UA connector:

• Fixed BadSessionIdInvalid race condition during session reconnection (#2123) @palandri

🐛 BACnet connector:

• Fixed device duplication when the device has both ID and IP parameters in the config (#2137) @majuss

🐛 FTP connector:

• Fixed restoring TYPE I before SIZE after NLST resets transfer mode to ASCII (#2116) @ecoutier
• Fixed incorrect FTP TLS connection (#2114) @Andry925

ThingsBoard IoT Gateway v3.8.3

🛠 Improvements

⚙️ Core:

• Updated submodule and MQTT Client SDK version (#2089) @samson0v
• pkg_resources deprecated in setuptools 82.0.0 (#2068) @cpavot

🧩 FTP connector:

• Added overridable pre/post file processing hooks (#2066) @cpavot

🧩 Request connector:

• Added option to read basic auth credentials from ENV variables (#2090) @maghibus

🐛 Bug fixes

🐛 Core:

• Fixed TLS initialization on non-TLS MQTT ports (#2067) @iamkaran
• Fixed SQLite duplicate telemetry race condition (#2099) @lucas-souza-enerlab
• Corrected rate limiting configuration key names (#2087) @apachler
• Added rust toolchain default host for unsupported platform in Dockerfile (#2075) @samson0v

🐛 MQTT connector:

• Fixed escaping regex metacharacters for topics (#2085) @tijn-hedgehog
• Fixed incorrect regex grouping logic (#2070) @Andry925

🐛 Modbus connector:

• Fixed telemetry datapoints grouping (#2110) @samson0v

🐛 OPC-UA connector:

• Fixed OPC-UA node type mismatch error (#2109) @Andry925

🐛 BACnet connector:

• Fixed telemetry datapoints grouping (#2108) @samson0v

🐛 Request connector:

• Fixed remote converter logs (#2106) @Andry925
• Added null handling and unit tests for placeholder combinations (#2095) @Andry925
• Fixed incorrect RPC handling (#2082) @Andry925
• Fixed error with incorrect request placeholder (#2083) @Andry925

🐛 REST connector:

• Fixed error with remote logging (#2088) @Andry925
• Fixed string conversion for downlink messages of type JSON (#2081) @Andry925

ThingsBoard IoT Gateway

🛠 Improvements

🧩 FTP connector:

• Improved placeholders and file headers management (#2060) @cpavot

🐛 Bug fixes

🐛 OPC-UA connector:

• Fixed delays during subscription recreation process (#2055) @Andry925
• Fixed resubscription for nodes (#2049) @Andry925

🐛 BACnet connector:

• Fixed devices adding with the same id (#2062) @samson0v
• Fixed binary scheduler (#2048) @BastiJoe
• Fixed incorrect mask handling (#2047) @Andry925

🐛 Request connector:

• Fixed incorrect JSON request uplink data conversion (#2054) @Andry925

ThingsBoard IoT Gateway

🛠 Improvements

🧩 MQTT connector:

• Added ability to use topic as a key name source (#2040) @samson0v

🧩 Modbus connector:

• Added Enum support (#2035) @samson0v

🧩 OPC-UA connector:

• Added ability to use relative path with identifier device node (#2038) @Andry925
• Added ability to use attribute updates/RPCs with absolute path to node that do not belong to device node pattern (#2036) @Andry925
• Added black-box tests (#2033) @Andry925

🧩 BACnet connector:

• Added support for any data type of schedule and fixed subnet mask validation (#2022) @majuss

🧩 FTP connector:

• Added ability to implement custom ftp converter (#2039) @Andry925

🧩 REST connector:

• Added ability to use multipart/form-data (#2044) @Andry925

ThingsBoard IoT Gateway

🛠 Improvements

⚙️ Core:

• Updated SDK version and submodule (#2026) @samson0v

🧩 Modbus connector:

• Performance improvement (#2012) @samson0v
• Added required tag expression keys for a wide range requests (#2004) @samson0v

🧩 Request connector:

• Added parsing ts field from the nested JSON (#2021) @Andry925

🧩 BACnet connector:

• Added support for proprietary devices (#1878) @apachler

🧩 FTP connector:

• Added clearer logs (#2016) @samson0v

🐛 Bug fixes

🐛 Core:

• Removed legacy argument from publish attribute/telemetry methods (#2006) @samson0v

🐛 MQTT connector:

• Fixed MQTT two-way RPCs processing under high request amounts (#2014) @samson0v
• Adapted the custom mqtt convertor for default mqtt config (#2005) @Andry925
• Fixed bytes decoding (#2003) @Andry925

🐛 Modbus connector:

• Fixed register allocation for float32/64 in wide range requests (#2015) @miikue
• Added ability to read more than 16 addresses in batch reading (#2007) @samson0v
• Fixed error with InvalidStateError on attribute update task result (#1999) @Andry925

ThingsBoard IoT Gateway

🛠 Improvements

⚙️ Core:

• Updated SDK version and submodule (#1997) @samson0v

🧩 Modbus connector:

• Added batch reading (#1984) @samson0v
• Added unit tests for RPC and attributes updates (#1957) @Andry925

🧩 BACnet connector:

• Added support to work with multiple devices on the same IP + port (#1992) @samson0v

🐛 Bug fixes

🐛 Core:

• Fixed gateway provisioning (#1986) @samson0v

🐛 MQTT connector:

• Fixed reserved two-way RPC (#1998) @Andry925
• Fixed missing JSON dump for single-attribute request (#1977) @Andry925

🐛 Modbus connector:

• Fixed retries parameter parsing for Modbus (#1979) @samson0v
• Fixed retries parameter mismatch (#1978) @Andry925

🐛 OPC-UA connector:

• Added URI parameter to the configuration (#2001) @samson0v
• Fixed config parsing for certificate-based auth (#2000) @samson0v
• Fixed error with incorrect deviceNameExpression/deviceProfileExpression parsing from full path (#1993) @Andry925
• Fixed attribute updates and rpc processing after reconnect (#1981) @Andry925

🐛 BLE connector:

• Added more robust log on showMap (#2002) @Andry925
• Fixed discovering advertising beacons (#1975) @Andry925

🐛 BACnet connector:

• Fixed adding extra datapoints (#1994) @samson0v
• Fixed schedule downlink (#1980) @majuss

🐛 REST connector:

• Fixed device name expression access in json converter (#1983) @donx2023

ThingsBoard IoT Gateway

🛠 Improvements

⚙️ Core:

• Removed configuration wizard (#1967) @samson0v
• Added sqlite storage config validation and init guardrails (#1956) @Andry925
• Added proxy support (#1933) @BastiJoe
• Added environmental variables for gateway provisioning, improved provisioning mechanism (#1930) @imbeacon

🧩 MQTT connector:

• Added unit tests for attribute updates, attribute requests, connect and disconnect requests (#1943) @Andry925

🧩 BACnet connector:

• Added more robust error handling for incorrect values inside the application section (#1948) @Andry925
• Added unit tests for BACnet connector (#1914) @Andry925
• BACnet schedular support (#1931) @majuss

🐛 Bug fixes

🐛 Core:

• Added correct extension to identify file storage files (#1963) @Andry925
• Fixed parsing QoS parameter from config (#1962) @samson0v

🐛 MQTT connector:

• Fixed two-way RPC processing (#1972) @Andry925

🐛 OPC-UA connector:

• Fixed finding device base node by identifier (#1971) @samson0v
• Fixed finding device name/profile from relative node path (#1970) @samson0v
• Fixed data type conversion in RPC processing and method name parsing (#1958) @samson0v
• Corrected number of arguments for logger (#1940) @tijn-hedgehog

🐛 BLE connector:

• Fixed connect to device requests spamming (#1968) @Andry925

🐛 BACnet connector:

• Added validation to port field (#1955) @Andry925
• Added more explicit log handling (#1949) @Andry925

🐛 KNX connector:

• Improved KNX RPC replies, error handling, and task robustness (#1952) @Andry925
• Fixed error with incorrect rpc request handling (#1951) @Andry925

ThingsBoard IoT Gateway

🛠 Improvements

⚙️ Core:

• Updated python required version (#1883) @samson0v
• Added max file size config for log handlers (#1870) @apachler

🧩 Modbus connector:

• Migrated on pymodbus 3.9.2 (#1889) @samson0v

🧩 OPC-UA connector:

• Add multiple attribute updates ability (#1922) @Andry925
• Added more explicit logic for incorrect device rpc types (#1918) @Andry925
• Added unit tests for RPC and attribute updates (#1895) @Andry925

🧩 BACnet connector:

• Added ability to use Object identifiers for device identification, added EDE parsing (#1859) @samson0v

🧩 Request connector:

• Added data unpack functionality (#1874) @apachler
• Added support for sub requests (#1876) @apachler

Other:

• Added offline-build support (#1912) @samson0v

🐛 Bug fixes

🐛 MQTT connector:

• Fixed problem with attribute updates that contain JSON data (#1875) @apachler

🐛 Modbus connector:

• Fixed modbus gateway slave stopping (#1900) @samson0v

🐛 OPC-UA connector:

• Removed extra log and fixed condition for task_completion flag (#1928) @Andry925
• Fixed error with incorrect attribute update after OPC-UA server disconnnect (#1923) @Andry925

🐛 BACnet connector:

• Fixed device filtering by id (#1927) @samson0v
• Fixed reading wildcard object id (#1926) @samson0v
• Fixed data key filtering in uplink converter (#1884) @apachler
• Fixed adding extra datapoints and device filtering by device id (#1881) @samson0v
• Fixed handling of foreign application (#1871) @apachler

🐛 Request connector:

• Bugfixs for JSON downlink converter (#1873) @apachler

🐛 REST connector:

• Bugfixes for JSON downlink converter (#1872) @apachler

🐛 Other:

• Fixed gateway upgrading instructions (#1902) @samson0v

ThingsBoard IoT Gateway

What's Changed

⚛ Core improvements

• Added ability to limit database files size in SQLite storage (#1822) @Andry925

🔗 Connectors improvements

BACnet

• Added device states synchronization on device connect(#1843) @samson0v
• Added ability to use priority in downlinks (#1844) @samson0v
• Added ability to connect to foreign device (#1856) @apachler
• Add rechecking for objects reading when they failed (#1813) @samson0v

MQTT

• Support for PAHO client keepalive in MQTT connector (#1865) @apachler
• Added special attribute to converter (SUPPORTS_BYTES_PAYLOAD) if present in converter object it changes type of data that passed to converter to raw bytes (8c1748f) @imbeacon

Request

• Added ability to define different hosts in the same connector (#1856) @apachler

REST

• Added ability to use SSL client certificates for outgoing request (#1856)
• Added ability to use query string parameters with request methods other than GET (#1856) @apachler
• Added ability to use URL matching info like "endpoint": "/myapi/{someKey:.*}" (#1856) @apachler

OPC-UA

• Added device states synchronization on device connect (#1843) @samson0v
• Added identifier support for device name/profile expression (#1815) @samson0v
• Added reconnectRetriesCount, reconnectBackoffInitialDelay, reconnectBackoffFactor to get ability to control reconnection (bc15f4f) @imbeacon

FTP

• Added ability to use "tsField" like in MQTT and REST connectors (1509189) @imbeacon

🐛 Bug fixes

• Fixed constant device profile expression parsing failure in MQTT connector (#1860) @wallevex
• Fixed processing data in arrays in MQTT JSON uplink converter (1a485e1) @imbeacon
• Fixed RPC commands to Modbus connector (#1839) @samson0v
• Fixed processing serial devices in Modbus connector (#1864) @samson0v
• Fixed devices deleting in OPC-UA connector (#1858) @samson0v
• Fixed device objects discovering, added logs in BACnet connector (#1847) @samson0v
• Fixed FTP backwards compatibility adapter (#1840) @samson0v
• Fixed code that prevented usage of custom timestamp (#1835) @trya2l
• Fixed factory protocol connect callback called while connected for Modbus (#1816) @samson0v
• Fixed ability to use "useReceivedTs" parameter in MQTT connector (34e9a40) @imbeacon

ThingsBoard IoT Gateway

What's Changed

Improvements

BACnet connector

• BACnet connector improvements by @samson0v in #1771, #1782
• Add ability to use router vars for BACnet devices connected through router by @samson0v in #1802
• Added routers cache for BACnet connector by @samson0v in #1811
• Added support for new BACnet properties by @samson0v in #1796

MQTT connector

• Add QoS parameter support for MQTT publish methods by @mircopz in #1787

Modbus

• Added timeout for modbus device connecting by @samson0v in #1800

SQLite storage

• Added OperationalError handling for SQLite storage by @samson0v in #1781

Bug fixes

• Fix custom serial access errors by @Xsakura1314 in #1776
• Fixed get_address_regex method for BACnet connector by @samson0v in #1792
• Fix/fix bug with device after renaming by @Andry925 in #1801
• Fixed returning BACnet device details if parameters are none by @samson0v in #1810
• Remove deprecated functions to process configs from mqtt, opcua and t… by @Andry925 in #1775

New Contributors

• @Xsakura1314 made their first contribution in #1776

Full Changelog: 3.7.4...3.7.5