* [Conf] Add BROKEN_HEADERS_MAILLIST composite
* [Conf] Add path to greylist-whitelist-domains.inc
* [Conf] Clarify documentation in the config files
* [Conf] Introduce maps.d directories
* [Conf] Log settings id by default
* [Conf] Make LEAKED_PASSWORD_SCAM a composite rule again
* [Conf] Move all surbl/emails rules to rbl
* [Conf] Register new Spamhaus codes
* [Conf] Remove configs for deleted modules
* [Conf] Remove surbl parts, fix hash_format attribute
* [Conf] Show autolearn sample
* [Conf] Slashing: Change default stats backend to Redis
* [Conf] Surbl: Utilise new `check_emails` option
* [Conf] Update header
* [Conf] Use multi-prefixes RBLs in the default config
* [CritFix] Deal with case-sensivity in Content-Disposition parser
* [CritFix] Eliminate old endpoint
* [CritFix] Fix case sensivity when parsing Content-Type
* [CritFix] Fix loading of DKIM public keys
* [CritFix] Fix procesing of urls
* [CritFix] Fix whitelisting when both spf and dkim are required to be valid
* [CritFix] Langdet: Fix language detection where no stop words found
* [Feature] Add description to the groups
* [Feature] Add limit for number of URLs in Lua
* [Feature] Add logging of groups to the log_format
* [Feature] Add lua_smtp library
* [Feature] Add maps cache and type refinement
* [Feature] Add p0f scanner
* [Feature] Adopt emails module to use lua_maps
* [Feature] Allow options matching in composites
* [Feature] Allow selectors in rbl module
* [Feature] Allow to output group results
* [Feature] Asn: Allow to use bgpdump when NET::MRT is broken
* [Feature] Calculate tokens occurrences distribution
* [Feature] Clickhouse: Add authenticated user and settings id columns
* [Feature] Clickhouse: Store groups data
* [Feature] Clickhouse: Utilise LowCardinality feature
* [Feature] Implement Redis prefixes registration logic
* [Feature] Implement settings id propagation between deps
* [Feature] Improve AV results caching
* [Feature] Improve autolearning
* [Feature] Improve logging locking logic (remove it actually)
* [Feature] Improve settings processing
* [Feature] Langdet: Limit number of stop words to be checked
* [Feature] Libucl: Allow to sort keys in ucl objects
* [Feature] Lua_config: Extend get symbols method
* [Feature] Lua_maps: Allow static maps for key-value pairs
* [Feature] Lua_mimepart: Add function filter_words
* [Feature] Lua_selectors: Add `words` selector
* [Feature] Lua_selectors: Add sort and uniq transform functions
* [Feature] Lua_selectors: Allow table arguments for selectors
* [Feature] Lua_tcp: Add preliminary support of SSL connections
* [Feature] Lua_trie: More flexible API
* [Feature] Lua_util: Add filter_specific_url function
* [Feature] Lua_util: table_digest can now recursively traverse tables
* [Feature] Maillist: Improve detection
* [Feature] Maps: Allow caching for complex maps
* [Feature] Monitored: Support random lookups
* [Feature] Multimap: Add combined maps prototype
* [Feature] Multimap: Add dependend maps via redis keys selectors
* [Feature] Multimap: Allow multiple email addresses matches
* [Feature] Multimap: Also check detected charset when do filename checks
* [Feature] Output number of messages processed to proctitle
* [Feature] Perform clean SSL shutdown
* [Feature] Performance: Do not use base64 SIMD version for bad inputs
* [Feature] RBL: Support bit results in replies
* [Feature] RBL: Support type specific prefixes
* [Feature] Ratelimit: Consider number of SMTP recipients
* [Feature] Rbl: Add ability to check urls
* [Feature] Rbl: Add resolve_ip based RBLs
* [Feature] Rbl: Make config checks much more strict
* [Feature] Rbl: Support per-rule whitelists
* [Feature] Rbl: Support process script
* [Feature] Rbl: Support replyto addresses
* [Feature] SURBL: Allow to check email domains
* [Feature] Selectors: Add `list` generator
* [Feature] Selectors: Add `specific_urls` extractor
* [Feature] Selectors: Add flatten function
* [Feature] Selectors: Support filter_map and apply_map functions
* [Feature] Store Clickhouse data outside of lua alloc
* [Feature] Support caching for encrypted files and macros
* [Feature] Support images when extracting urls
* [Feature] Support more hyperscan flags
* [Feature] Support protocol flags
* [Feature] URL: Apply stringprep to hostnames to filter garbage
* [Feature] Upstreams: Add lazy resolving logic to all upstreams
* [Feature] Upstreams: Set noresolve flag on numeric upstreams
* [Feature] Use `scores` in apply section
* [Feature] Use maps logic from lua_maps for multimap
* [Feature] Use random monitored in rbl module
* [Feature] lua_scanners - add Razor support
* [Fix] Add another safe-guard in urls processing
* [Fix] Add debug to ssl, fixed write hangs
* [Fix] Add missing groups to C callback symbols
* [Fix] Add more checks for ghosts symbols
* [Fix] Allow to enable or add new actions via settings
* [Fix] Allow to set 0 size for spf/dkim caches
* [Fix] Another bunch of fixes towards protocol mess
* [Fix] Another fix to deal with bad URLs
* [Fix] Arc: Another bunch of fixes for arc signing
* [Fix] Arc: More arc signing fixes
* [Fix] Avoid another overflow in fpconv
* [Fix] Clickhouse: Fix quoting
* [Fix] Clickhouse: Fix retention query quoting
* [Fix] Distinguish empty and non-empty prefilters
* [Fix] Distinguish remote and local addrs parsing
* [Fix] Do not assert if length of sig is bad, just fail verification
* [Fix] Do not assert if we have broken mime boundary in the headers
* [Fix] Do not call implicit strlen to avoid issues
* [Fix] Do not count images urls when checking url regexps for compatibility
* [Fix] Do not output rbl suffix in symbol option
* [Fix] Do not use config pool to avoid issues with double reload
* [Fix] Do not use ephemeral string
* [Fix] Do not use lightuserdata for traceback
* [Fix] Do not use priority in metric registration
* [Fix] Emails: Check email sanity before testing on BL
* [Fix] Emails: Fix misprint in key name
* [Fix] Escape utf in regexp to dodge ragel/hyperscan issue
* [Fix] Extend task_timeout to postfilters stage
* [Fix] Fix ARC signing after fixing another bug in it...
* [Fix] Fix AV scan logic
* [Fix] Fix DMARC_NA behaviour in case of no valid policies
* [Fix] Fix LRU hash iteration logic
* [Fix] Fix alignment mess
* [Fix] Fix configuring symbols without scores
* [Fix] Fix disabling of the actions
* [Fix] Fix dkim signing exceptions
* [Fix] Fix embedded images linking logic
* [Fix] Fix events leak
* [Fix] Fix eviction corner case
* [Fix] Fix fuzzy image score calculation #2962
* [Fix] Fix hang in fuzzy_learn when explicit rotation is set
* [Fix] Fix headers propagation logic
* [Fix] Fix hearbeats restart issue
* [Fix] Fix history reset
* [Fix] Fix log parameter
* [Fix] Fix lua_ip_equal logic
* [Fix] Fix more issues with nested messages + tests
* [Fix] Fix normalization of non-alphabet based languages
* [Fix] Fix offsets when parsing message/rfc822 in multipart
* [Fix] Fix options in rbl symbols
* [Fix] Fix out of bound access in lua logger
* [Fix] Fix out-of-bound read in qp decode
* [Fix] Fix parent CTE propagation
* [Fix] Fix parsing of the received headers with empty part
* [Fix] Fix pending checks for events
* [Fix] Fix printing of NULL pointer with fixed length
* [Fix] Fix race condition in watcher handler
* [Fix] Fix read-after-end in quoted printable decoding
* [Fix] Fix redis sentinel support
* [Fix] Fix registry leak in case of DNS errors
* [Fix] Fix reload logic
* [Fix] Fix sending of large entries via HTTPS
* [Fix] Fix settings reload
* [Fix] Fix some more corner cases for fpconv
* [Fix] Fix trie code when there are regexps and Hyperscan is absent
* [Fix] Further fixes to printing of the FP numbers
* [Fix] Fuzzy_check: Fix timeouts
* [Fix] Grrr, fix empty ip case
* [Fix] Html: Fix processing of fjlig entity
* [Fix] Lang_det: Try better to distinguish Chinese and Japanese
* [Fix] Lua_mime: Fix reversed extensions map
* [Fix] Lua_task: Fix message-less API
* [Fix] Lua_tcp: Report connection failures
* [Fix] Lua_tcp: Various fixes and debugging improvements
* [Fix] Metadata_exporter: This plugin is idempotent not a postfilter
* [Fix] More fixes to extract_specific_urls
* [Fix] More stages fixes
* [Fix] Neural: Another bunch of fixes
* [Fix] Neural: use version in ANN key profile
* [Fix] Postpone lua state destruction to allow lua dtors to be used
* [Fix] Prefer surbl/emails rule on rbl to preserve compatibility
* [Fix] RBL: Fix behaviour of emails_domainonly
* [Fix] Ratelimit: Fix dynamic score
* [Fix] Rbl: Fix emailbl functions
* [Fix] Really fix hyperscan workaround
* [Fix] Set sanity limits for pcre2
* [Fix] Settings: Fix settings check flags
* [Fix] Sort keys when getting data from Lua when filling rules
* [Fix] Statistics: Do not query Redis tokens when there are no learns
* [Fix] Stop IO event on write finished in http connection
* [Fix] Use heuristically detected text parts data
* [Fix] Various fixes to QP encoding algorithm
* [Fix] Various fixes to SSL state machine handler
* [Fix] Various fixes to asn module
* [Fix] Workaround for empty charset in rfc2231 encoding
* [Project] Switch from torch to KANN
* [Project] Add heartbeat events
* [Project] Add preliminary support of the Kaspersky Scan Engine
* [Project] Add preliminary version of maps expressions
* [Project] Add preprocessed settings to the config structure
* [Project] Add simple forward propagation function
* [Project] Add small helpers for migration simplifications
* [Project] Allow to replace body in milter
* [Project] Bundle libev
* [Project] First refactoring step libevent->libev
* [Project] Implement syntax highlighting for Lua
* [Project] Lua_magic: Adopt lua_magic stuff in mime_types
* [Project] Remove libfann, gd and other unsupported stuff
* [Project] Remove torch
* [Project] Rework upstreams
* [Rework] Allow execution of async events when hs compiles regexps
* [Rework] Bayes expiry: eliminate `default` expiration mode
* [Rework] Dkim: Remove signing code
* [Rework] Dkim_signing: Move sign condition to dkim_signing
* [Rework] Do not lowercase all data send to ClickHouse
* [Rework] Drop url tags
* [Rework] Eliminate lua_squeeze as it has shown no improvements
* [Rework] Eliminate virtual scan time as it is useless
* [Rework] Lua core: Use lightuserdata to index classes
* [Rework] Lua_util: Another rework for extract_specific_urls
* [Rework] Migrate from ip_score to reputation
* [Rework] Move mime modification functions to lua_mime library
* [Rework] Rbl: Major whitelisting logic rework
* [Rework] Remove deprecated plugins
* [Rework] Remove log helper worker
* [Rework] Remove rspamd.classifiers.lua
* [Rework] Rename filter.h to a more sane name
* [Rework] Reorganise selectors implementation
* [Rework] Replace linenoise with replxx
* [Rework] Reputation: Remove ipnet from the ip reputation
* [Rework] Reputation: Slashing - change name of symbols
* [Rework] Rework children operations
* [Rework] Rework config reload
* [Rework] Rework expression API
* [Rework] Rework image urls processing
* [Rework] Rework initialisation to reduce static leaks count
* [Rework] Rework request headers processing
* [Rework] Slashing: Change versioning schema - move to 2.0
* [Rework] Slashing: Turn off postfilters when passthrough result is set
* [Rework] Start moving to replxx
* [Rework] Stop support of signed HTTP maps to simplify code
* [Rework] Store ASN as UInt32 in ClickHouse
* [Rework] Url_redirector: Rewrite plugin
* [Rework] Use a dedicated library for autolearn
* [Rework] Use libsodium instead of hand crafted crypto implementations
* [Rework] Use opaque structure to store a table of mime headers
* [Rules] Add dedicated bitcoin addresses filter rule
* [Rules] Add more detection to LEAKED_PASSWORD_SCAM
* [Rules] Catch LTC addresses
* [Rules] Reduce weight of RSPAMD_EMAILBL
* [Rules] Rework LEAKED_PASSWORD_SCAM rule one more time