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ChangeLog
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3.7.5: 15 Dec 2023
* Add support for loongarch
* [Fix] Fix rspamadm lua logger
* [Fix] Fix systemd logging
* [Fix] dkim_signing: siging_table: lowercase before lookup
* [Minor] Fix build with no hyperscan
* [Minor] Try improve test stability
* [Test] Fix tests on rspamd-3.7
3.7.4: 14 Nov 2023
* [Enhancement] Add composite rule for suspicious URLs in suspicious messages
* [Fix] Another try to fix setproctitle
* [Fix] Do not cleanup hyperscan files unless new ones are loaded
* [Fix] Fix various issues with canonicalisation of the paths
* [Fix] Properly set config field when creating tasks from Lua
* [Fix] Set loaded variable explicitly
* [Fix] known_senders: fix config handling
* [Fix] rbl: fix `exclude_local`
* [Minor] Add missing <algorithm> include for gcc 14
* [Minor] Add rule for messages missing both X-Mailer and User-Agent header
* [Minor] Bundle fasttext as linux distributives are just useless
* [Minor] Enable fasttext on RPM based linux
* [Minor] Forgot it in one more place
* [Minor] Improve FREEMAIL_AFF capture rates
* [Minor] Limit fasttext to amd64 only
* [Minor] Properly search for fasttext include
* [Minor] Treat *.zpaq attachments as archives and harmful
* [Minor] Update to 3.7.4
* [Minor] force_actions: set a group for symbols
* [WebUI] Update map editor
3.7.3: 27 Oct 2023
* [Fix] Emergency fix for the hyperscan path error
3.7.2: 26 Oct 2023
* [Feature] rbl: support checking returncodes by CIDR
* [Feature] rbl: support checking returncodes by regex
* [Feature] rbl: support globbed return codes
* [Fix] DMARC reporting: fix reporting for subdomains
* [Fix] Deal with fmtlib exceptions properly
* [Fix] backport fix for dlfcn.h from backward-cpp
* [Rules] Blank spam detection
3.7.1: 07 Oct 2023
* [CritFix] Fix leak in `gzip` function
* [Feature] Add ICAP Content-Type and Filename
* [Feature] Add `logging`->`task_max_elts` option
* [Feature] Add utility to split string like stuff for C++ code
* [Feature] Allow to set HTTP auth parameters for the maps
* [Feature] Check for plugin configuration errors on `configtest`
* [Feature] `known_senders` plugin
* [Feature] Use backward-cpp instead of manual libunwind stuff
* [Feature] rbl: support checking numeric URLs in isolation
* [Fix] CMakeLists.txt remove whitespace added by linter as it makes tests fail
* [Fix] Change Date: header location to conform with RFC
* [Fix] Correct format pattern for RE tree tempfile name
* [Fix] Correct format string for unw_word_t
* [Fix] Do not accept invalid ucl object types
* [Fix] Do not pollute public headers with libev internals
* [Fix] Do not set output type if list application failed
* [Fix] Fix `url:set_redirected` method
* [Fix] Fix format string and some length issues
* [Fix] Fix grammar definition for content-disposition attributes
* [Fix] Fix lua schema enrichment logic for Redis params
* [Fix] Fix lua stack corruption when logging large tables
* [Fix] Fix merge table utility
* [Fix] Fix output of non-RSA DKIM keys
* [Fix] Fix some corner cases of single-host urls parsing
* [Fix] Fix various issues in the `url_redirector` plugin
* [Fix] MISSING_MIMEOLE: avoid matching messages from Android GMail app (#4561)
* [Fix] Prevent DNSWL sabotage
* [Fix] Try to fix unzip function
* [Fix] rbl: really fix dependency registration when symbols_prefixes is used
* [Fix] rspamadm mime: arguments beginning with letter `t`
* [Rework] Breaking: return back to semver
* [Rework] Move rcl logic to C++
3.6: 03 Aug 2023
* [Conf] Add `one_shot` to some specific multimap rules
* [Conf] Add language detection configuration
* [Conf] Add missing attributes for the language detection configuration
* [Conf] Remove outdated composite rules
* [Feature] Add `sentinel_password` option
* [Feature] Add ability to deny specific fuzzy flags by default
* [Feature] Add controller endpoint to get fuzzy hashes from messages
* [Feature] Add extra symbol when URL redirector reaches nested limit
* [Feature] Add function to transliterate utf8 to ascii with some normalisation
* [Feature] Add html parsing limit
* [Feature] Add order to urls structure
* [Feature] Add some missing functions to `lua_rsa` library
* [Feature] Allow fuzzy workers to exchange blocked information
* [Feature] Allow to have weak flags in fuzzy storage
* [Feature] Allow to read options from maps in the multimap plugin
* [Feature] Allow to use other methods when fasttext detection is enabled
* [Feature] Count stats per key per flag
* [Feature] Finish all features of dkim_keygen in Lua
* [Feature] Khash: Allow static initialisation
* [Feature] Maps: Add on_load support
* [Feature] Preliminary implementation of dynamic composites
* [Feature] Process HTML parts before text ones
* [Feature] Reorganise struct rspamd_url to be 64 bytes size
* [Feature] Save fuzzy ratelimit buckets
* [Feature] Use in-place deflation for strings
* [Feature] external_relay: add ip_map strategy
* [Fix] Avoid race between config new/free by using a counter
* [Fix] Do not use `rspamadm.dkim_keygen`
* [Fix] Feed fasttext language model with the pre-tokenized words
* [Fix] Fix `rspamd_has_only_html_part`
* [Fix] Fix an old issue with order of destruction race between redis pool and lua
* [Fix] Fix format string usage
* [Fix] Fix parsing due to old bug revealed
* [Fix] Fix parsing of the mask values that are invalid
* [Fix] Ignore non-unique stop words
* [Fix] Include the last character when parsing the last header with no value
* [Fix] More fixes to fuzzystat
* [Fix] Set proper counter
* [Fix] Try harder to clean pending bucket
* [Fix] Try harder to remove bad hyperscan files
* [Fix] Update stats before encryption...
* [Fix] dmarc gramar - allow spaces before ";"
* [Fix] rbl: fix dependency registration when symbols_prefixes is used
* [Fix] remove obsolete rspamd-redirector files
* [Fix] test external_relay: count should always be the last rule, as it have no matching condition
* [Project] Allow to register multimap symbols dynamically
* [Project] Implement fasttext language detection
* [Rework] Default max shots must not influence options
* [Rework] Write dkim keygen tool in lua
* [Rules] Add thread hijacking composite rule
3.5: 17 Mar 2023
* [Conf] Clarify `timeout` in rspamd_proxy
* [Conf] Fix hashbl
* [Conf] Add SURBL hashbl support (WIP)
* [Conf] RBL: Fix selector
* [Conf] Reduce the default timeout
* [CritFix] Deserialise hyperscan to the page-aligned space to prevent alignment issues
* [CritFix] Fill path field in hyperscan notice command
* [Feature] Add `thresholds` field to the scan result
* [Feature] Add possibility to execute lua scripts for blocked fuzzy clients
* [Feature] Add preliminary support of the external maps in the multimap plugin
* [Feature] Allow to build a map by combining tuples of selectors
* [Feature] Allow to query external maps for settings
* [Feature] Allow to specify `selector_alias` in the maps definition
* [Feature] Enable Mime part filters on antivirus module
* [Feature] Improve ratelimit redis scripts
* [Feature] Selectors: Add specific_urls_filter_map extractor
* [Feature] Some rework of the selectors framework
* [Fix] Add O_CREAT flag when creating a file
* [Fix] Add a database check function unless we have anything from Hyperscan
* [Fix] Add hyperscan databases sanity check
* [Fix] Add workaround for ENOBUFS error on sending
* [Fix] Do not do `lstat` when we are creating file
* [Fix] Finally get rid of RSPAMD_USE_47BIT_LIGHTUSERDATA_HACK
* [Fix] Fix boundaries that contain only dashes
* [Fix] Fix off-by-one error in css tokenizer
* [Fix] Fix url reputation plugin
* [Fix] Fix usage of the Redis config schema as `extra_fields`
* [Fix] Further checks for the hs_scratch_alloc
* [Fix] Honor group flag for one shot
* [Fix] Normalize glob paths to avoid hash table misses
* [Fix] Ratelimit: Use unpack for `HMGET` return value
* [Fix] Rbl: Fix helo check pipeline
* [Fix] Replace broken strict_domains with phishing_exceptions
* [Fix] Restore `strict_domains` support
* [Fix] Return true from has_urls(true) if only emails are present
* [Fix] Rework lists applications
* [Fix] Set symcache item in coroutine calls
* [Fix] Treat `hs_allocate_scratch` errors as non-fatal
* [Fix] Treat hostnames with no dots as eSLD of their own
* [Fix] received: filtering of artificial header
* [Project] Add external maps support
* [Rework] Breaking: Do not report soft reject in history
* [Rework] Convert chartable plugin to c++ for convenience
* [Rework] Use a different approach for customization of the settings
* [Rules] Mid: Add MID_END_EQ_FROM_USER_PART rule
3.4: 01 Nov 2022
* [CritFix] Restore compatibility with the integrations and headers alterations
* [Feature] Milter_headers: Add `x-rspamd-action` routine
* [Feature] Share hyperscan database among processes
* [Fix] Another corner case in url parsing
* [Fix] Another fix for the enable password
* [Fix] Another try to fix close method in lua_tcp
* [Fix] Fix additional fields in the Redis schema
* [Fix] Fix emoji joiner FP
* [Fix] Fix favicon.ico Content-Type header
* [Fix] Fix hang when close is used
* [Fix] Lua_tcp: Sigh, another try to fix `close` invocation
* [Fix] Mx_check: Cache the fact of a missing MX record
* [Fix] Try to fix parsing of the unencoded `>` characters in html attributes
* [Fix] Try to fix the case where password == enable_password
* [Project] (Re)implement hyperscan caching
* [Project] Rework cleanup
* [Project] Synchronize hyperscan caches via the main process
* [Rework] Convert multipattern to use hyperscan tools
* [Rework] Make http normalize path function a generic function
* [Rework] Split locked and unlocked files, as mmap does not need flock normally
* [Rework] Start movement of the hyperscan related routines into a single unit
* [Rework] Store the current worker, so other libraries could use this information
* [Rework] Use blocking socket for IPC between main and workers
* [Rework] Use more predictable size for commands buffers
* [Rules] Do not insert ONCE_RECEIVED_STRICT on RDNS missing
* [Rules] Reduce score of HTTP_TO_HTTPS - subject to remove completely
3.3: 01 Oct 2022
* [Conf] Add missing groups for whitelist module symbols
* [CritFix] Neural: Fix keys regression after #3968
* [Feature] Accept upstream in lua_tcp
* [Feature] Add ability to statically maintain disabled/enabled patterns
* [Feature] Add function to store upstreams for HTTP urls
* [Feature] Allow augmentations set in Lua API
* [Feature] Allow lua_http module to accept upstreams
* [Feature] Allow to limit write access to fuzzy storage by key
* [Feature] Allow to sort symbols output
* [Feature] Check content for binary stuff before dumping it to Lua
* [Feature] Implement symbols augmentations
* [Fix] Add missing flags
* [Fix] Add more sanity checks for rua in dmarc_report
* [Fix] Adjust length of the fuzzy checks for short text parts
* [Fix] Another try to fix add headers compatibility logic
* [Fix] Another try to fix race condition in the runtime destruction
* [Fix] Avoid cyclic references in symcache and fix memory leaks
* [Fix] Avoid overriding IP with Sender IP
* [Fix] BAD_REP_POLICIES did not trigger when message was classified as spam by Bayes
* [Fix] Bind AF_UNIX DGRAM client connection to annonymous address
* [Fix] Disable IPv6 lookups for Blocklist.de RBL
* [Fix] Distinguish dynamic and static items
* [Fix] Dkim: Ignore unknown DKIM kv pairs as stated in RFC
* [Fix] Dmarc report: Use local timezone instead of GMT
* [Fix] Do not exclude authenticated users from URIBL lookups
* [Fix] Empty envelopes should not be emitted as arrays (json+messagepack) when populated envelopes are objects. This greatly complicates decoding in strictly typed languages.
* [Fix] External_relay: Restore the originating hostname check
* [Fix] Fix DKIM keys with spaces still allowing errors on invalid base64
* [Fix] Fix copying of sockaddr_un addresses
* [Fix] Fix crash with cname replies
* [Fix] Fix dependencies propagation
* [Fix] Fix iteration over milter headers
* [Fix] Fix ordering when sorting symcache
* [Fix] Fix reading of the cached maps
* [Fix] Fix several issues with the HTTP keepalive parsing
* [Fix] Fix stack smashing
* [Fix] Fix synchronous auth/select in lua_redis
* [Fix] Fix various symcache issues
* [Fix] Ignore all (I hope) unknown DKIM signature KV pairs
* [Fix] Ignore directories in RarV5 archives
* [Fix] Libucl: avoid memory leak on objects merging
* [Fix] Lua_tcp: Another try to fix closing logic
* [Fix] Mempool: Fix alloc_array function to actually multiply nmembers by size
* [Fix] Only check allowed fuzzy worker update ips for non-unix sockets
* [Fix] Plug memory leak in regexp destruction with pcre2
* [Fix] Properly check the original email flag
* [Fix] Properly deal with `get_symbol/get_metric_symbol` ambiguity
* [Fix] Properly parse expressions atoms
* [Fix] Properly set `Host` in rspamd_proxy
* [Fix] Rbl: Fix received positioned checks
* [Fix] Remove check for a score with no symbol being registered
* [Fix] Same fix for lua_tcp
* [Fix] Skip cname records when processing SPF records
* [Fix] Skip sending dmarc reports in no-opt mode fixes https://github.com/rspamd/rspamd/issues/4241
* [Fix] Stop slow timer on task destruction
* [Fix] Symcache: Do not use C style comparators in C++ sorts
* [Fix] Try to avoid a corner case for `@` pattern
* [Fix] Try to fix dkim reputation adjustements
* [Fix] Try to fix passthrough results processing logic
* [Fix] Try to fix the mess with read only flag
* [Fix] Upstreams: Don't ignore revive_time config option
* [Fix] Use proper format string, sigh...
* [Fix] Use space category in ragel automata to resolve space characters
* [Fix] Zstd: Fix compression with the new Zstd API
* [Fix] milter_headers: Header fields may be inserted at wrong position.
* [Project] Add experimental HTTP statistics backend
* [Project] Add more methods for symbols addition
* [Project] Add raii_sink file helper
* [Project] Add some more methods
* [Project] Add symbols processing methods
* [Project] Allow `=` separated augmentations to be treated as kv pairs
* [Project] Allow to extract augmentation values
* [Project] Few more methods
* [Project] Fix on conditions
* [Project] Further efforts to make a more consistent architecture
* [Project] Further rework
* [Project] Further rework tracking
* [Project] Further split of the code
* [Project] Get rid of C style ctors/dtors
* [Project] Http_stat: Notice statfiles when creating runtime
* [Project] Implement dynamic items lookup and processing
* [Project] Implement item finalization
* [Project] Implement more methods
* [Project] Implement runtime creation
* [Project] Implement settings processing + some neats
* [Project] Implement some conditions checks
* [Project] Implement validation logic
* [Project] More methods
* [Project] Move runtime cache part to a separate unit
* [Project] Move some more methods
* [Project] Re-implement counters method
* [Project] Reimplement dependencies processing
* [Project] Remove obsoleted methods
* [Project] Remove old code (finally)
* [Project] Rework symbols execution
* [Project] Some more adjustments in symbols registration
* [Project] Start rewrite symcache in c++
* [Project] Support augmentations with values
* [Project] Symcache: Use ordered filters to avoid extra lookups
* [Rework] Another movement
* [Rework] Augmentations can now imply flags
* [Rework] Further steps
* [Rework] Further work on deps processing
* [Rework] Implement cache resorting
* [Rework] Isolate disable/enable logic for the configuration ucl objects
* [Rework] Move item implementation to a separate header
* [Rework] Multimap: Avoid prefilters usage where augmentations can be used
* [Rework] Pass upstream when sending TCP requests
* [Rework] Re-implement cache sorting
* [Rework] Reimplement saving/loading the cache items
* [Rework] Reiterate on priorities
* [Rework] Rework files structure
* [Rework] Rewrite rspamc in C++
* [Rework] Simplify scores check and extend it to pre/post filters
* [Rework] Switch minimum C++ standard version to C++20
* [Rework] Try to fix the mess with types & flags
* [Rework] Use another version of hash table from the same author
* [Rework] Use dynamic items for calling callbacks
* [Rework] Use dynamic items in the callbacks
* [Rework] Use hash map for id->symbol mappings
* [Rework] Use khash instead of uthash in rdns compression logic
3.2: 26 Mar 2022
* [Conf] Score MIME_OBFUSCATED_ARCHIVE to 8 points
* [Conf] Set one_shot for URIBL rules by default
* [CritFix] Fix upstreams name resolution when there is also a port
* [Feature] Add ROC feature to neural network plugin
* [Feature] Add public suffic compilation utility
* [Feature] Add support of Cloudmark
* [Feature] Allow hyperscan for ppc64, as vectorscan now suports it.
* [Feature] Allow to skip DNS resolution for keep-alive connections
* [Feature] Aws_s3: Allow to store large parts separately
* [Feature] BIMI: Add preliminary version of the BIMI plugin
* [Feature] JSON endpoint for querying maps
* [Feature] Lua_magic: Add a sane CSV heuristic
* [Feature] Lua_mime: Add schema for message transfer
* [Feature] Output average scan time in /stat endpoint
* [Feature] Show average scan time in `rspamc stat` output
* [Fix] Add guards to avoid race condition on TCP connection
* [Fix] Allow spaces in DKIM key records
* [Fix] Apply the similar fix to the url_reputation
* [Fix] Avoid overwriting whitelisted_signers_map
* [Fix] Backport PR from libucl
* [Fix] Clear SSL errors
* [Fix] ClickHouse cleanup of old partitions
* [Fix] Do not double call error handler on ssl errors in the timeout path
* [Fix] Do not forget to clear pointers on IOC reset
* [Fix] External_relay: Remove useless check of the map value
* [Fix] Find suspicious url encodings that could break url extraction
* [Fix] Fix HTTP(s) client timeout
* [Fix] Fix exclude flags setting
* [Fix] Fix expanding of the variables
* [Fix] Fix host header usage in lua_http
* [Fix] Fix http maps shared memory cache cleanup
* [Fix] Fix logic in HTML processing FSM
* [Fix] Fix parsing of the compound mailto urls
* [Fix] Fix processing captures from pcre2
* [Fix] Fix removing from khash
* [Fix] Fix stuctured headers pushing
* [Fix] Further fix for i386 compilation
* [Fix] Improve duplicate settings error reporting
* [Fix] Lua: task:remove_result didn't work in some cases
* [Fix] Output service parts as well
* [Fix] Phishing: Deal with phishing + redirected URL
* [Fix] Phishing: Fix finding domains in the phishing map
* [Fix] Plug memory leak by using mempool for a copied address
* [Fix] Properly find the request and the number of requested entries
* [Fix] Rbl: Fix inversed logic of the url_full_hostname
* [Fix] Read file maps if they were not pre-read during preload
* [Fix] Restrict x86_64 assembly to x86_64
* [Fix] Return a real number of recipients when dealing with aliases
* [Fix] Rework unshedule DNS request function
* [Fix] Support definition of ungrouped symbol in conf file, use group info from lua or other conf file
* [Fix] Unschedule DNS request when clearing IO channel
* [Fix] When checking for phishing, we need to convert punicode -> UTF8, not vice versa
* [Fix] lua_cfg_transform - actions without score (discard)
* [Fix] lua_cfg_transform - silly break break actions
* [Fix] ratelimit - symbol per bucket
* [Project] BIMI: Fix helper integration issues
* [Project] Further DNS over TCP architecturing
* [Project] Rdns: Add more functions for TCP based requests
* [Project] Rdns: Add preliminary reading logic for TCP channels
* [Project] Rdns: Add reaper for inactive TCP connections
* [Project] Rdns: Add timeout logic for TCP requests
* [Project] Rdns: Do not treat TCP channels failure as fatal
* [Project] Rdns: Fix TCP connection mess
* [Project] Rdns: Fix TCP stuff cleanup
* [Project] Rdns: Fix various ownership issues
* [Project] Rdns: Implement TCP writing logic
* [Project] Rdns: Initial support of TCP IO channels
* [Project] Rdns: More fixes in TCP handling
* [Project] Rdns: Restore the previous EDNS0 size
* [Project] Rdns: Send truncated replies via TCP
* [Project] Rdns: Unregister TCP requests
* [Rework] Allow to restore SSL handlers after keepalive pooling
* [Rework] Allow to set a different behaviour for actions from settings
* [Rework] Include SSL flag into keepalive hash
* [Rework] Make `rspamadm dmarc_report` default behaviour more sane
* [Rework] Mempool: Use explicit alignment
* [Rework] Rdns: Use faster and more compact hash table for DNS requests
* [Rework] Rework SSL flag operations
* [Rework] Take disabled flag into account
* [Rework] Timeouts are now global per event and not reseted by IO activity
* [Rework] Use xxh3 as a default hash and fix memory/alignment issues
* [Rules] Fix old rules to stop global functions usage
* [Rules] Fix symbol for DKIM temporary failure
* [Rules] Remove ancient and inefficient rules
* [Rules] Slightly reduce MULTIPLE_FROM score
3.1: 01 Nov 2021
* [Feature] Add junk_threshold for autolearn
* [Feature] Add neural test command
* [Feature] Antivirus: Allow to set fake eicar patterns for testing AV engines
* [Feature] Lua_cdb: Add cdb building interface
* [Feature] Ratelimit: Add per bucket configurations
* [Feature] S3: Allow to store structured data in messagepack
* [Fix] Add concept of uncancellable events to prevent use-after-free
* [Fix] Add temporary guard to prevent linked list exploitation
* [Fix] Another rework of the ucl hashing
* [Fix] Another try to fix references safety
* [Fix] Another try to fix rspamd_text passing in the selectors
* [Fix] Avoid copy for received structure as it has raw C pointers
* [Fix] Avoid dangling reference
* [Fix] Correctly check numeric URLs in URL DNS lists
* [Fix] Delete the correct pointer type
* [Fix] Dmarc: Always lowercase domain
* [Fix] Fix compilation of the hyperscan databases with errors
* [Fix] Fix hash table lookup
* [Fix] Fix http message flag shift
* [Fix] Fix parsing of the from_hostname when it is an IP address
* [Fix] Fix parsing of the unquoted attributes in HTML
* [Fix] Fix passing of rspamd_text in selectors pipelines
* [Fix] Fix rubbish QP sequences decoding
* [Fix] Fix some complicated case with the closing tags parsing
* [Fix] Fix the case when l tag is too small
* [Fix] Html: Fix the case where only bgcolor is explicitly set
* [Fix] Libucl: Fix deletion from ucl objects
* [Fix] Namespace and add metadata for OpenMetrics, fix interleaving
* [Fix] Plug memory leak in http settings reload
* [Fix] Preserve SPF top record in the mempool variable
* [Fix] Remove aarch64 GC64 workaround
* [Fix] Remove bogus G_LIKELY
* [Fix] Spf: Do not parse non TXT DNS replies as TXT replies
* [Fix] Try to use on_connect/on_disconnect callbacks to handle internal Redis failures
* [Fix] buffer overflow in rspamc counters
* [Fix] fix static building
* [Fix] lua_scanners - message_min_words logic
* [Fix] src/lua/lua_mimepart.c: fix null dereference
* [Project] Add constant iterators
* [Project] Add helper library to handle mime strings in a more safe matter
* [Project] Add preliminary support of CDB bayes dump
* [Project] Add trim operations
* [Project] Allow mempool allocated mime strings
* [Project] Cdb: Finish backend implementation
* [Project] Cdb: Fix configuration load
* [Project] Cdb: Use shared data between cdb statfiles
* [Project] Cdb: continue statistics backend implementation
* [Project] Finish received headers rework part
* [Project] Move C++ specific declarations to C++ header
* [Project] Rework received headers parsing to C++
* [Project] Start using of the new received structure
* [Project] Start work on cdb backend
* [Rework] Further rework of the redis pool
* [Rework] Redis_pool: fix issues found
* [Rework] Rework learn and add classify condition
* [Rework] Save invisible content to a separate buffer
* [Rework] Start rewriting of the redis pool logic
* [Rules] Improve zero font rule
3.0: 19 Aug 2021
* [Conf] Align ARC scores with DKIM scores
* [CritFix] Neural: Fix sorting application
* [Feature] Add a simple dumper for bayes tokens
* [Feature] Add lua_maps.fill_config_maps function
* [Feature] Add preliminary exporter to AWS S3
* [Feature] Add preliminary restore bayes support
* [Feature] Add race condition protection against hs_helper restarts
* [Feature] Add rspamd_utf8_strcmp utility
* [Feature] Add zstd streaming API
* [Feature] Allow to log severity level explicitly
* [Feature] Allow to save and show attachment name when inserting AV scan results
* [Feature] Allow to sort urls for Lua
* [Feature] Allow to specify different timeouts/retransmits for fuzzy rules
* [Feature] Aws_s3: Allow to compress data stored
* [Feature] CMakeLists.txt: Change check and run-test to use rspamd-test-cxx * fixes #3807
* [Feature] Dmarc_report: allow sending reports in batches
* [Feature] Fuzzy_check: Allow to disable subject when making short text hash
* [Feature] Lua_cryptobox: Add keyed ssl hash functions via HMAC
* [Feature] Lua_task: Add get_urls_filtered method
* [Feature] Make monitored checks less frequent
* [Feature] Milter_headers: Add x-rspamd-pre-result header
* [Feature] Neural: Allow to balance FP/FN for the network
* [Feature] Ppopagate monitored errors from rbl module
* [Feature] Pyzor calculate score dynamically Count - WL-Count of default_score in percent
* [Feature] Rbl: Distinguish flattened and non-flattened selectors in RBL requests
* [Feature] Re-add pyzor support
* [Feature] Settings: add ip_map check and rework structure slightly
* [Feature] Spamassassin: Allow to set the default priority for SA scores
* [Feature] Strip smtp comments from message id
* [Feature] add SYSTEM_ZSTD cmake option To use the system zstd instead on the bundled version
* [Feature] external_relay plugin
* [Feature] rspamadm clickhouse neural_train subcommand
* [Fix] #3400 milter_headers: fix inverted logic for extended_headers_rcpt
* [Fix] ASN: fix _FAIL symbol for when main symbol is disabled
* [Fix] Add a special logic for text part with no text extraction
* [Fix] Add diacritics flag for several eu languages
* [Fix] Another FSM fix to accomodate possibility of multiple consequent ?
* [Fix] Avoid curse of dynamic array referencing
* [Fix] Avoid reinitialising neural settings
* [Fix] Check remain before processing TXT records
* [Fix] Enable error multiplier on http errors
* [Fix] Finally rework parsing entities logic
* [Fix] Fix '==' parsing in the content type attributes parser
* [Fix] Fix IPv6 expansion for SPF macros
* [Fix] Fix Mozilla Message-ID detection
* [Fix] Fix an edge case in BITCOIN_ADDR rule
* [Fix] Fix brain-damaged behaviour when http request has a custom Host header
* [Fix] Fix check of limits in email address parsing
* [Fix] Fix copy&paste error and rework
* [Fix] Fix expressions logic for and/or and float values
* [Fix] Fix fuzzy retransmits
* [Fix] Fix http maps with no or invalid expires data
* [Fix] Fix last quote character parsing in the content-type state machine
* [Fix] Fix normalisation flags propagation
* [Fix] Fix overflow when appending many broken tags
* [Fix] Fix parsing of rfc2047 tokens with '?' inside
* [Fix] Fix phishing flag set
* [Fix] Fix rfc2047 embedded into rfc2231 pieces in special headers
* [Fix] Fix round-robin rotation
* [Fix] Fix searching for symbols
* [Fix] Fix storing of the regexps inside variant
* [Fix] Fix tokenization near exceptions
* [Fix] Fix visibility calculations
* [Fix] Html: Attach inline tags to the structure
* [Fix] Html: Do not treat empty tags as block tags
* [Fix] Ical: Do not extract urls from all flags using merely specific ones
* [Fix] Initialise symcache even if it cannot be loaded properly
* [Fix] Lua_fuzzy: Remove text parts check when checking image dimensions
* [Fix] Lua_maps: Fix adjustments for the map type in the complex map definitions
* [Fix] Lua_task: Fix deleted symbols in has_symbol/get_symbol
* [Fix] Move metric and symcache link from validation to the init stage
* [Fix] Oletools: Another try to fix table sorting
* [Fix] One more default behaviour fix
* [Fix] Phishing: Rework urls processing
* [Fix] RBL: was missing some config schema
* [Fix] Replies: Fix 'Reply-To' handling in task:get_reply_sender
* [Fix] Rework metrics handling
* [Fix] Save symcache on exit
* [Fix] Selectors: Filter nil elements in lists
* [Fix] Selectors: Properly fix implicit tostring for nils
* [Fix] Try to fix some broken code in DMARC reporting plugin
* [Fix] Urls: Fix processing of html urls when it comes to the flags
* [Fix] Use proper buffer length
* [Fix] Various visibility fixes
* [Fix]: ASN: dns cb func should also return in case of an error
* [Project] Add a simple css rule definition
* [Project] Add css style skeleton
* [Project] Add css syntax (adopted from ebnf)
* [Project] Add css_selectors
* [Project] Add doctest unit testing library
* [Project] Add expected library
* [Project] Add fmt library for simple string ops
* [Project] Add fu2 library to better functions abstractions
* [Project] Add hashing method
* [Project] Add parsers skeleton
* [Project] Add preliminary support of vcard parser
* [Project] Add process exceptions for invisible text
* [Project] Add some methods for css parser
* [Project] Allow static libstdc++
* [Project] Another whitespace hack
* [Project] CSS: Various fixes in the declarations and values parsing
* [Project] Cpp: Add robin-hood hash map library
* [Project] Css: Add AST debug
* [Project] Css: Add colors conversion functions
* [Project] Css: Add dimensions handling
* [Project] Css: Add display value support
* [Project] Css: Add frozen library from https://github.com/serge-sans-paille/frozen/
* [Project] Css: Add opacity support
* [Project] Css: Add parser helpers to simplify debugging
* [Project] Css: Add preliminary stylesheet support
* [Project] Css: Add rules processing functions and tests
* [Project] Css: Add simple selectors unit tests
* [Project] Css: Add some c++ unit tests
* [Project] Css: Add some debug methods
* [Project] Css: Add some debug statements for the css parser
* [Project] Css: Add some logical skeleton for declarations parser
* [Project] Css: Add url/function tokens
* [Project] Css: Allow at rules parsing
* [Project] Css: Declarations parsing logic skeleton
* [Project] Css: Enable conditional css parsing support from the HTML parser
* [Project] Css: Finish generic lexer cases
* [Project] Css: Fix HSL conversion
* [Project] Css: Fix minus parsing
* [Project] Css: Fix parser consumers nesting
* [Project] Css: Fix parsing of the qualified rules
* [Project] Css: Fix rules merging
* [Project] Css: Further fixes to lexer
* [Project] Css: Further steps to parse css colors + rework
* [Project] Css: Further work on parser's methods
* [Project] Css: Implement backlog of css tokens
* [Project] Css: Implement numbers and ident parsers
* [Project] Css: Implement simple css selectors lookup
* [Project] Css: Implement styles merging
* [Project] Css: Make debug strings json like to simplify tests
* [Project] Css: Minor adjustments
* [Project] Css: More meat to the lexer
* [Project] Css: Move some of the tests to the doctest
* [Project] Css: Projected a parser
* [Project] Css: Properties attachment logic
* [Project] Css: Remove ragel from build targets (maybe keep for reference)
* [Project] Css: Rework css block structure
* [Project] Css: Rework flags of css properties
* [Project] Css: Rework tokens structure
* [Project] Css: Several fixes + tests
* [Project] Css: Simplify checks
* [Project] Css: Simplify debug code
* [Project] Css: Start css selectors parsing logic
* [Project] Css: Start semantic parsing for rules
* [Project] Css: Start stylesheet implementation
* [Project] Css: Tidy up lambdas
* [Project] Css: rework tokeniser
* [Project] Dmarc: Add dmarc report tool (WIP)
* [Project] Dmarc: Add munging configuration
* [Project] Dmarc: Add preliminary munging logic
* [Project] Dmarc: Fix header removal
* [Project] Dmarc: Fix munging logic
* [Project] Dmarc: Use full recipient address instead of a domain map
* [Project] Dmarc: Use zlists for dmarc reports
* [Project] Dmarc_report: Add message generation logic
* [Project] Dmarc_report: Add preliminary sending support
* [Project] Fix lua bindings
* [Project] Fix xml/sgml tags processing
* [Project] Handle new modification
* [Project] Html/CSS: Add transform from a CSS rule to html block
* [Project] Html/CSS: Link html and css styles
* [Project] Html/CSS: Switch styles parsing to css parser
* [Project] Html/Css: Fix some issues found
* [Project] Html/Css: Implement visibility rules for a block
* [Project] Html: Add more tests cases and fix some more corner issues
* [Project] Html: Add rows display type support
* [Project] Html: Allow decode entities function to normalise spaces + unit tests
* [Project] Html: Another rework of the tags structure
* [Project] Html: Another try to fix unbalanced cases
* [Project] Html: Fix crossing spans
* [Project] Html: Fix parent propagation
* [Project] Html: Further rework of the html parsing stuff
* [Project] Html: Implement logic for tags pairing
* [Project] Html: Implement rawtext state machine
* [Project] Html: Insert closing tags as well :(
* [Project] Html: More fixes
* [Project] Html: More fixes
* [Project] Html: More spaces logic fixes
* [Project] Html: One more attempt to write text content
* [Project] Html: Replace \0 in html content
* [Project] Html: Rework img/a tags handling
* [Project] Html: Rework propagation method
* [Project] Html: Rework tags placement
* [Project] Html: Rework transparency logic
* [Project] Html: Support 'hidden' attribute
* [Project] Html: Try another approach to append tags content
* [Project] Html: Try to deal with bad unknown tags properly
* [Project] Lua_aws: Add canonicalisation utility
* [Project] Lua_aws: Add function to produce AWS Authorisation header
* [Project] Lua_aws: Implement request signing
* [Project] Lua_mime: Add lua_mime.modify_headers routine
* [Project] Lua_task: Add modify_header method
* [Project] Lua_task: Allow to extract modified headers
* [Project] Make unescape code public for unit testing
* [Project] More fixes for closed tags
* [Project] More fixes to calculations
* [Project] Rework API for the modified headers
* [Project] Rework html visibility rule
* [Project] Skeleton of the css library
* [Project] Start headers modification API structure
* [Project] Start working on AWS Lua API
* [Project] Use lua_mime to modify headers
* [Project] Use modified headers on dkim signing
* [Project] Use string_view to constexpr variant unpacking
* [Rework] Add composites manager concept
* [Rework] Add tags definitions
* [Rework] Allow C code to be compiled with C++ compiler
* [Rework] Clickhouse: Store url flags
* [Rework] Composites: Rewrite the composites logic
* [Rework] Composites: Start rework of the composites framework
* [Rework] Dmarc: Move check policy function to the common utils
* [Rework] Dmarc: Rework reports keys structure
* [Rework] Further work to make html content private
* [Rework] Html/CSS: Remove css C bindings as they are useless now
* [Rework] Html/CSS: Rework Lua bindings
* [Rework] Html/Css: Start rework of the html blocks
* [Rework] Html: Add images processing logic
* [Rework] Html: Add traverse function
* [Rework] Html: Another steps to get rid of gnode
* [Rework] Html: Convert to variant
* [Rework] Html: Deal with the utf_content part
* [Rework] Html: Final rework part for the html processing code
* [Rework] Html: Fix Lua bindings
* [Rework] Html: Forgot to add the internal include
* [Rework] Html: Further html urls rework
* [Rework] Html: Further rework of the tags content extraction
* [Rework] Html: Make parameters as a vector again
* [Rework] Html: Move blocks part
* [Rework] Html: Move images processing stuff
* [Rework] Html: Rework lua bindings
* [Rework] Html: Start html text extraction rework
* [Rework] Html: Start refactoring of the html tags handling
* [Rework] Html: Start removing of GNode stuff
* [Rework] Html: Start rework of the html content structure
* [Rework] Lua_magic: Try to detect text parts with 8bit characters for non-utf8 encodings
* [Rework] Move HTML url functions and rework them
* [Rework] Move and adopt entities handling logic
* [Rework] Move common and rarely used dmarc code to the library
* [Rework] Move compression routines outside of rspamd_util library
* [Rework] Move entities/tags handling
* [Rework] Phishing: Split from redirectors usage
* [Rework] Redesign html blocks propagation logic
* [Rework] Remove tag name string
* [Rework] Rename phished url to a linked url
* [Rework] Reorganize dmarc plugin and remove unsupported reporting code
* [Rework] Reputation: Use more flexible types in get/set functions
* [Rework] Require proper C++ environment for Rspamd build
* [Rework] Rework extended urls output
* [Rework] Rework tags parsing machine
* [Rework] Slightly improve old regexp API
* [Rework] Start conversion of the redis pool code to c++
* [Rework] Try to resolve failed upstreams more agressively
* [Rework] Use C++ utf8 library with unit tests to trim whitespaces
* [Rework] Use C++ version for unicode normalisation
* [Rework] Use C++ version of the lua threads pool
* [Rules] Add raw addresses to MULTIPLE_FROM options
* [Rules] Another fix to HTTP_TO_HTTPS rule
* [Rules] Do not trigger HTML_SHORT_LINK_IMG on external images
* [Rules] Extend FORGED_X_MAILER
* [Rules] Extend OLD_X_MAILER
* [Rules] Fix CTYPE_MIXED_BOGUS for text attachments
* [Rules] Fix FPs for CTYPE_MIXED_BOGUS
* [Rules] Fix HTTP_TO_HTTPS rule
* [Rules] Fix HTTP_TO_HTTPS rule
* [Rules] Fix zerofont rule (partially)
* [Rules] Micro-optimize X_PHP_EVAL
* [Rules] Reduce default weight for R_MISSING_CHARSET
2.7: 08 Jan 2021
* [Conf] Add R_DKIM_PERMFAIL to the metric
* [CritFix] Dkim: Fix simple canonicalisation if multiple signatures are presented
* [CritFix] Fix controller paths normalisation
* [Feature] Add INVALID_DATE rule
* [Feature] Add controller endpoint for training neural
* [Feature] Add sanity checks for actions thresholds
* [Feature] Add support of '==' and '!=' in Rspamd expressions
* [Feature] Composites: Improve composite atoms parser
* [Feature] Docker: use Debian slim variant
* [Feature] Elastic: Add some missing fields
* [Feature] Extract text from img alt attributes
* [Feature] Improve charset detection logic
* [Feature] Lua_clickhouse: Add optional row callback for large selections
* [Feature] Lua_dns_resolver: Add idna_convert_utf8 method
* [Feature] Lua_mime: Add ability to do multipattern replacement
* [Feature] Lua_trie: Allow to report start of the match
* [Feature] Multimap: support adding map values as extra options
* [Feature] Neural: Move PCA learning to a subprocess
* [Feature] RBL: support matching content/image URLs only
* [Feature] RBL: support use of multiple selectors
* [Feature] Reputation: Allow to specify ip masks
* [Feature] Support SMIME signed messages container
* [Feature] Support multiple conditions for symbols
* [Feature] Support ping in milter mode
* [Feature] Support rspamd_text in selector regexps
* [Feature] Use own daemonization routine
* [Feature] Vadesecure: Implement settings_outbound feature as recommended by Vade
* [Feature] `rspamadm clickhouse` command
* [Feature] allow hyperscan for aarch64
* [Fix] Allow to set priorities between post init scripts
* [Fix] Allow to use maps for strings that are not zero terminated
* [Fix] Apply max_lua_urls limit for emails as well
* [Fix] Arc: Fix CV check on signing
* [Fix] Arc: Fix signing of the broken ARC chains
* [Fix] Clickhouse: escape carriage return
* [Fix] Composites: Allow partial match
* [Fix] Deduct type of a table methods
* [Fix] Do not load errored hyperscan database
* [Fix] Do not process links in ignored html tags
* [Fix] Fix ClamAV result for cached encrypted file (#3395)
* [Fix] Fix canonicalisation when l= tag is presented
* [Fix] Fix flag shift
* [Fix] Fix handling of skip/skip_process http flags
* [Fix] Fix html attachments checks
* [Fix] Fix issue with pushing binary formats to Lua strings
* [Fix] Fix logging for rspamadm
* [Fix] Fix off-by-one with init check
* [Fix] Fix parsing of escape characters in quoted pairs
* [Fix] Fix pushing ucl strings with \0 inside
* [Fix] Fix quoted-printable soft newlines bugged case
* [Fix] Fix settings in case actions are set to null (#3415)
* [Fix] Fix several issues with auth results producing
* [Fix] Fix smtp comments exclusion
* [Fix] Fix smtp date syntax definition
* [Fix] Fix substring search in case if srchlen == inlen
* [Fix] Fix text selectors
* [Fix] Honour `systemd` setting when logging to console (#3514)
* [Fix] Html: Add entities collisions prevention logic (e.g. for mathml entities)
* [Fix] Lua_auth_results: Quote potentially bad values in AR header
* [Fix] Multimap: Fix flags usage
* [Fix] Multimap: Fix scoring for combined maps
* [Fix] Plug GList * leak in redis pool
* [Fix] RBL: allow for multiple matches of the same label if types are different
* [Fix] Rely on libev checks for file maps
* [Fix] Restore simple dkim canonicalisation mode
* [Fix] Return MimeCharset as we work with emails...
* [Fix] Spamassassin: Fix pcre_only flags
* [Fix] Spamassassin: Preserve 'pcre_only' flag when dealing with regexp replacements
* [Fix] Try to fix GError leak
* [Fix] Try to fix a mess with settings loading by adding priorities
* [Fix] Try to move setings initialisation to a later stage
* [Fix] Use dup fd in milter handler to avoid races with the proxy
* [Fix] Use message pointer to avoid obsolete data to be cached
* [Project] Rbl: Migrate to `checks`
* [Project] Rbl: Move config code outside of the plugin
* [Project] Ressurect empty prefilters as connection filters
* [Project] Support connection filters registration from Lua
* [Rework] Add final cleanup logic
* [Rework] Add preliminary support of hyperscan caching for re maps
* [Rework] Add stale cache removal
* [Rework] Clickhouse: Improve performance
* [Rework] Distinguish between strict config test mode
* [Rework] Furhter logging improvements
* [Rework] Milter_headers: improve extended_headers_rcpt support
* [Rework] Move parsers to a separate lua library
* [Rework] Neural: Skip composite symbols
* [Rework] Rbl: Rework defaults logic
* [Rework] Some tunes to cache saving
* [Rework] Track maps origins
* [Rework] Use full crypto hash for regexp maps
* [Rules] Remove broken rule
2.6: 30 Sep 2020
* [Conf] Add missing symbols
* [Conf] Add missing symbols
* [Conf] Fix fat-fingers typo
* [Conf] Fix wrong comment in options.inc
* [Conf] Neural: Fix the default name for max_trains
* [Conf] Register a known symbol
* [Conf] Spf: Add R_SPF_PERMFAIL symbol
* [CritFix] Arc: Fix ARC validation for chains of signatures
* [CritFix] Distinguish socketpairs between different fuzzy workers
* [CritFix] Fix IDNA dots parsing
* [CritFix] Fix test assertion method
* [CritFix] Fix usage of crypto_sign it should be crypto_sign_detached!
* [Feature] Add BOUNCE rule
* [Feature] Add controller plugins support and selectors plugin
* [Feature] Add maps query method
* [Feature] Add minimal delay to fuzzy storage
* [Feature] Add multiple base32 alphabets for decoding
* [Feature] Add preliminary support of BCH addresses
* [Feature] Add query_specific endpoint
* [Feature] Allow multiple base32 encodings in Lua API
* [Feature] Allow to specify nonces manually
* [Feature] Controller: Allow to pass query arguments to the lua webui plugins
* [Feature] Fuzzy_check: Add gen_hashes command
* [Feature] Fuzzy_check: Add weight_threshold option for fuzzy rules
* [Feature] Implement address retry on connection failure
* [Feature] Improve limits in pdf scanning
* [Feature] Initial support of subscribe command in lua_redis
* [Feature] Lua_cryptobox: Add secretbox API
* [Feature] Lua_text: Add encoding methods
* [Feature] Milter_headers: Allow to activate routines via users settings
* [Feature] PDF: Add timeouts for expensive operations
* [Feature] Preliminary maps addon for controller
* [Feature] Split pdf processing object and output object to allow GC
* [Feature] Support BLIS blas library
* [Feature] Support input vectorisation by recvmmsg call
* [Feature] Support multiple base32 alphabets
* [Feature] add queueid, uid, messageid and specific symbols to selectors [Minor] use only selectors to fill vars in force_actions message
* [Feature] allow variables in force_actions messages
* [Feature] extend lua api
* [Fix] #3249
* [Fix] Allow to adjust neurons in the hidden layer
* [Fix] Another try to fix email names parsing
* [Fix] Arc: Allow to reuse authentication results when doing multi-stage signing
* [Fix] Arc: Fix bug with arc chains verification where i>1
* [Fix] Arc: Sort headers by their i= value
* [Fix] Change neural plugin's loss function
* [Fix] Deal with double eqsigns when decoding headers
* [Fix] Default ANN names in clickhouse
* [Fix] Disable reuseport for TCP sockets as it causes too many troubles
* [Fix] Disable text detection heuristics for encrypted parts
* [Fix] Distinguish DKIM keys by md5
* [Fix] Distinguish type from flags in register_symbol
* [Fix] Dmarc: Unbreak reporting after cf2ae3292ac93da8b6e0624b48a62828a51803c9
* [Fix] Do not flag pre-result of virus scanners as least if action is reject
* [Fix] Do not use GC64 workaround on 32bit platforms, omg
* [Fix] Exclude damaged urls from html parser
* [Fix] Fix FREEMAIL_REPLYTO_NEQ_FROM_DOM
* [Fix] Fix FROM_NEQ_ENVFROM
* [Fix] Fix FWD_GOOGLE rule (#1815)
* [Fix] Fix adding of the empty archive file for gzip
* [Fix] Fix aliases in forged recipients and limit number of iterations
* [Fix] Fix authentication results insertion
* [Fix] Fix calling of methods in selectors
* [Fix] Fix clen length for hiredis...
* [Fix] Fix endless loop if broken arc chain has been found
* [Fix] Fix false - operation
* [Fix] Fix get_urls table invocation
* [Fix] Fix group based composites
* [Fix] Fix headers passing in rspamd_proxy
* [Fix] Fix incomplete utf8 sequences handling
* [Fix] Fix lua_next invocation
* [Fix] Fix lua_parse_symbol_type function logic
* [Fix] Fix multiple listen configuration
* [Fix] Fix occasional encryption of the cached data
* [Fix] Fix parsing boundaries with spaces
* [Fix] Fix passing of methods arguments
* [Fix] Fix poor man allocator algorithm
* [Fix] Fix regexp selector and add flattening
* [Fix] Fix rfc base32 encode ordering (skip inverse bits)
* [Fix] Fix rfc based base32 decoding
* [Fix] Fix sockets leak in the client
* [Fix] Fix storing of the original smtp from
* [Fix] Fix types check and types usage in lua_cryptobox
* [Fix] Fix unused results
* [Fix] Fuzzy_check: Disable shingles for short texts (really)
* [Fix] Ical: Fix identation grammar
* [Fix] Improve part:is_attachment logic
* [Fix] Mmap return value must be checked versus MAP_FAILED
* [Fix] One more fix to skip images that are not urls
* [Fix] Pdf: Support some weird objects with no newline before endobj
* [Fix] Rbl: Fix ignore_defaults in conjunction with ignore_whitelists
* [Fix] Restore support for `for` and `id` parts in received headers
* [Fix] Segmentation fault in contrib/lua-lpeg/lpvm.c on ppc64el
* [Fix] Skip spaces at the boundary end
* [Fix] Slashing fix: fix captures matching API
* [Fix] Spamassassin: Rework metas processing
* [Fix] Store reference of upstream list in upstreams objects
* [Fix] Understand utf8 in content-disposition parser
* [Fix] Unify selectors digest functions
* [Fix] Use `abs` value when checking composites
* [Fix] Use strict IDNA for utf8 DNS names + add sanity checks for DNS names
* [Fix] Use unsigned char and better support of utf8 in ragel parser
* [Fix] add missing selector_cache declaration
* [Project] Add `L` flag for regexps to save start of the match in Hyperscan
* [Project] Add `lower` method to lua_text
* [Project] Add a simple matrix Lua library
* [Project] Add implicit bitcoincash prefix
* [Project] Add linalg ffi library for prototyping
* [Project] Add methods to append data to fuzzy requests
* [Project] Add routine to call a generic lua function
* [Project] Add ssyev method interface
* [Project] Add tensors index method
* [Project] Add text:sub method
* [Project] Allow rspamd_text based selectors
* [Project] Allow to specify re_conditions for regular expressions
* [Project] Attach extensions to the binary fuzzy commands
* [Project] Bitcoin: BTC cash addresses needs some checksum validation
* [Project] Cleanup the redis script
* [Project] Convert bitcoin rules to the new regexp conditions feature
* [Project] Detect memrchr in systems that supports it
* [Project] Do not listen sockets in the main process
* [Project] Implement 'probabilistic' learn mode for ANN
* [Project] Implement BTC polymod in C as it requires 64 bit ops
* [Project] Implement bitcoin cash validation in a proper way
* [Project] Implement extensions logic for fuzzy storage
* [Project] Implement symbols insertion in multiple results mode
* [Project] Lua_text: Add method memchr
* [Project] Neural: Add PCA loading logic
* [Project] Neural: Fix PCA based learning
* [Project] Neural: Fix matrix gemm
* [Project] Neural: Further PCA fixes
* [Project] Neural: Implement PCA in learning
* [Project] Neural: Implement PCA learning
* [Project] Neural: Implement PCA on ANN forward
* [Project] Neural: Implement PCA serialisation
* [Project] Neural: Start PCA implementation
* [Project] Neural: Use C version of scatter matrix producing
* [Project] Preliminary support of lua conditions for regexps
* [Project] Preliminary usage of the reuseport
* [Project] Process composites separately for each shadow result
* [Project] Remove old code
* [Project] Rework scan result functions to support shadow results
* [Project] Rework some more functions to work with shadow results
* [Project] Some more fixes
* [Project] Start results chain implementation
* [Project] Support fun iterators on rspamd_text objects
* [Project] Support multiply, minus and divide operators in expressions
* [Project] Tensor: Move scatter matrix calculation to C
* [Rework] Allow to specify exat metric result when adding a symbol
* [Rework] Change and improve openblas detection and usage
* [Rework] Close listen sockets in main after fork
* [Rework] Further rework of lua urls extraction API
* [Rework] Lua_cryptobox: Allow to store output of the hash function
* [Rework] Lua_task: Add more methods to deal with shadow results
* [Rework] Modernize logging for expressions
* [Rework] Remove empty prefilters feature - we are not prepared...
* [Rework] Remove old FindLua module, disable lua fallback when LuaJIT is enabled
* [Rework] Rework and refactor forged recipients plugin
* [Rework] Rework expressions processing