Release 2.7

* [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 (rspamd#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 (rspamd#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 (rspamd#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

Release 2.6

* [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] rspamd#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 cf2ae32
* [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 (rspamd#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
* [Rework] Rework fuzzy commands processing
* [Rework] Rework url flags handling API
* [Rework] Rework urls extraction
* [Rework] Split operations processing and add more debug logs
* [Rework] Update zstd to 1.4.5
* [Rework] Use google-ced instead of libicu chardet as the former sucks
* [Rework] add alias util:parse_addr for util:parse_mail_address
* [Rework] get rid of util:parse_addr duplicating the util:parse_mail_address, replace where used
* [Rules] Allow prefix for bitcoin cash addresses
* [Rules] More fixes for bitcoin cash addresses decoding
* [Rules] Refactor bleach32 addresses handling

Release 2.5

* [Conf] Mark Rspamd emailbl as ignore whitelist
* [Conf] RBL: Add missing emails = true option
* [Feature] Add support for scripts in fuzzy storage
* [Feature] Arc: Add whitelisted_signers_map option
* [Feature] Implement hosts file processing
* [Feature] Neural: Introduce classes bias that allows non-equal classes learning
* [Feature] Update libev to 4.33
* [Fix] Another brain damage html standard adoptions
* [Fix] Another fix for brain damaged obs-fws state
* [Fix] Fix flags that caused force_actions failure
* [Fix] Fix logging issue
* [Fix] Fix lua symbols scores registration when config does not define scores
* [Fix] Fix opaque maps logic
* [Fix] Fix parsing of the html tags with no spaces after attributes
* [Fix] Fix some corner cases in urls parsing, add limits
* [Fix] Fix tlds extraction if custom composition rules are used
* [Fix] Fix variables replacement in mempool
* [Fix] Improve base64 detection
* [Fix] Normalize dynamic scores in ANN correctly
* [Fix] Plug memory leak introduced by rspamd#3153
* [Fix] Stat_redis_backend: Fix memory leak and simplify learn path
* [Fix] Try hard to deal with ghost workers
* [Fix] metadata_exporter default formatter
* [Rework] Change the way to extract URLs when dealing with alternative parts
* [Rework] Fix various url extraction issues
* [Rework] Re cache: Load compiled hyperscan in the main process as well
* [Rework] Re cache: Load hyperscan early
* [Rework] Rework URL structure: adjust tld part
* [Rework] Rework URL structure: host field
* [Rework] Rework URL structure: more structure optimisations
* [Rework] Rework URL structure: user field
* [Rework] URL: Another update for urls extraction logic
* [Rework] Urls: Improve query urls handling
* [Rework] Urls: adopt html related stuff
* [Rework] Urls: more rework of the urls sets
* [Rework] Urls: process query urls in HTML urls correctly
* [Rework] Urls: rework urls hash structure
* [Rework] Urls: update lua libraries
* [Rework] Use multiple search tries for different url extraction types

Release 2.4

* [CritFix] Fix parsing of the content type attributes
* [Feature] Clickhouse: Add extra columns support
* [Feature] Rbl: Add url_compose_map option for RBL rules
* [Fix] 'R' flag is for all headers regexp
* [Fix] Allow to reset settings id from Lua (e.g. because of the priority)
* [Fix] Avoid collisions in mempool variables by changing fuzzy caching logic
* [Fix] Avoid strdup usage for symbols options
* [Fix] Do not trust stat(2) it lies
* [Fix] Filter all options for symbols to have sane characters
* [Fix] Fix all headers iteration
* [Fix] Fix allowed_settings for neural
* [Fix] Fix listen socket parsing
* [Fix] Fix maps expressions evaluation
* [Fix] Fix sentinel connections leak by using async connections
* [Fix] Fix smtp message on passthrough result
* [Fix] Fix tld compositon rules
* [Fix] Fuzzy_storage: Do not check for shingles if a direct hash has been found
* [Fix] Lua_mime: Do not perform QP encoding for 7bit parts
* [Fix] Neural: Distinguish missing symbols from symbols with low scores
* [Fix] Support listening on systemd sockets by name
* [Project] Add lua_urls_compose library
* [Project] Allow to set a custom log function to the logger
* [Project] CDB maps: Start making cdb a first class citizen
* [Project] Clickhouse: Add extra columns concept
* [Project] Fix urls composition rules, add unit tests
* [Project] Unify cdb maps
* [Rework] Logger infrastructure rework
* [Rework] Refactor libraries structure
* [Rework] Rework SSL caching
* [Rework] Update snowball stemmer to 2.0 and remove all crap aside of UTF8

Release 2.3

* [Conf] SPF is no longer a C module
* [Conf] Update spamtrap map path example
* [CritFix] Fix html entities decoding
* [CritFix] Fix re cache when mix of pcre and hyperscan is used
* [Feature] Allow milter code to deal with multiple headers
* [Feature] Antivirus: Add avast support
* [Feature] Dkim_signing: Allow to sign via milter_headers
* [Feature] Implement content hashes
* [Feature] Lua_text: Add regexp split iterator method
* [Feature] Lua_text: Implement flattening of the input tables
* [Feature] Send quit command to Redis
* [Feature] Speed up is_ascii function
* [Feature] Spf: Add external_relay option
* [Fix] Avoid double escaping
* [Fix] Fix O(N^2) algorithm
* [Fix] Fix arc seal validation
* [Fix] Fix base tag processing according to stupid HTML renderer behaviour
* [Fix] Fix dealing with `\0` in ucl strings and JSON
* [Fix] Fix gpg parts misdetection
* [Fix] Fix ignored symbols exporting
* [Fix] Fix processing of numeric url's
* [Fix] Fix processing of the closed tcp connections
* [Fix] Fix regexp type check for pcre2
* [Fix] Fix urls encode function
* [Fix] Fix urls shifting when doing decode to include separators
* [Fix] Fix white on white rule and add is_leaf flag
* [Fix] Further fixes in charset detection
* [Fix] Ignore diacritics in chartable module for specific languages
* [Fix] Limit size of symbols options by max_opts_len option
* [Fix] More fixes in html tag content calculations
* [Fix] Plug memory leak in fuzzy storage
* [Fix] Process high priority settings even if settings/id has been specified
* [Fix] Select a different upstream on last retransmit
* [Fix] Treat soft hyphen as zero width space
* [Fix] Try harder to watch the lifetime of the key_stat
* [Fix] Use ipv6-mapped-ipv4 addresses in radix trie
* [Project] Add logic to break execution when processing symbols*
* [Project] Add methods to set specific content for mime parts from Lua
* [Project] Lua_content: support PDF files
* [Project] Move dns_tool to using of the rspamd_spf from FFI module
* [Project] Preliminary SPF plugin in Lua
* [Project] Show debug stat for memory pool
* [Project] Some rework about specific data that is now tagged
* [Project] Start reworking of the mempool structure
* [Rework] Allow to add userdata as symbols options
* [Rework] Change mime part specifics handling
* [Rework] Move LRU SPF cache from spf plugin
* [Rework] Rework HTML tags content attachment
* [Rework] Rework options hash structure
* [Rework] Start lua_content library
* [Rework] Stop using of uthash for http headers
* [Rework] Use faster hashing approach for memory pools variables
* [Rules] Add PDF related rules

Release 2.2

* [Conf] Antivirus: Fix the default config
* [Feature] Add verdict library in lua
* [Feature] Allow exception when choosing upstream
* [Feature] Allow to disable symbols from the metric config
* [Feature] Allow to limit maps per specific worker
* [Feature] Always validate Rspamd protocol output
* [Feature] Antivirus: Add preliminary virustotal support
* [Feature] Clickhouse: Rework Clickhouse collection logic
* [Feature] Improve base64 usage
* [Feature] Shutdown timeout is now associated with task timeout
* [Fix] rspamd#3129 Multiple classifiers on redis working incorrectly
* [Fix] Allow real upstreams configuration
* [Fix] Another try to fix slow callbacks and timers
* [Fix] Check results of write message as SSL can bork them
* [Fix] Clickhouse: Avoid potential races in collection
* [Fix] Clickhouse: Fix periodic script
* [Fix] Fail DNS upstream on each retransmit attempt
* [Fix] Fix consistent hashing when upstreams are marked inactive
* [Fix] Fix issues found
* [Fix] Fix off-by-one in retries for the proxy
* [Fix] Fix termination
* [Fix] Fix upstreams exclusion logic
* [Fix] Fix utf8 validation for symbols options and empty strings
* [Fix] Oops, fix maps reload
* [Fix] Rbl: Allow utf8 lookups for IDN domains
* [Fix] Sigh, another try to fix brain-damaged openssl
* [Project] Add fast utf8 validation library
* [Project] Use own utf8 validation instead of glib
* [Rework] Another phase of finish actions rework
* [Rework] Further cmake system rework
* [Rework] Further isolation of the controller's functions
* [Rework] Make cmake structure more modular
* [Rework] Move cmake modules to a dedicated path
* [Rework] Replace controller functions by any scanner worker if needed
* [Rework] Rework final scripts logic
* [Rework] Rewrite rspamd_str_make_utf_valid function

Release 2.1

* [Conf] Update neural.conf
* [CritFix] Fix dkim verification for multiple headers listed
* [Feature] Add support of uudecode
* [Feature] Allow to explicitly set events backend
* [Feature] Implement configurable limits for SPF lookups
* [Feature] Lua_scanners: Use lua magic for inclusion/exclusion logic
* [Feature] Multimap: Do not check files in office archives
* [Feature] Neural: Add sampling when storing training vectors
* [Feature] SPF: Allow to disable AAAA checks in configuration
* [Feature] Spf: Add limits configuration support
* [Feature] Store etag in cached HTTP maps + better logging
* [Feature] Support segwit BTC addresses, fix LTC verification
* [Feature] Support uuencoding
* [Fix] Add configurable number of threads for OpenBLAS
* [Fix] Add workaround for ragel 7 in hyperscan related maps code
* [Fix] Another fix for numeric urls parsing
* [Fix] Correct EMA time calculations
* [Fix] Do not treat archives as text
* [Fix] Do not use strdup on data extracted from lua
* [Fix] Fix a failure calcuating URL reputation.
* [Fix] Fix crash due to constructors init order
* [Fix] Fix crash on parts with no cd
* [Fix] Fix empty prefilters that require mime structures
* [Fix] Fix event loop creation
* [Fix] Fix issues sending DMARC reports.
* [Fix] Fix misprint
* [Fix] Fix saving of the file maps
* [Fix] Fix size calculations when converting from utf16
* [Fix] Fix support of disable_monitoring in rbl
* [Fix] Fix use-after-free
* [Fix] Fix zip files check to relax requirements
* [Fix] Important hiredis fixes
* [Fix] Lot's of fixes in maps check logic
* [Fix] Lua_tcp: Deal with temporary fails on write
* [Fix] Lua_tcp: Make write errors fatal and rework error handlers
* [Fix] Meta: Filter some more values
* [Fix] Neural: Add protection agains infinities
* [Fix] Oops, fix math.huge invocation
* [Fix] Plug memory leak
* [Fix] Sigh, another email to string fix
* [Fix] Try to fix another ownership race in ssl connection
* [Fix] Uuencode: Fix parsing of corrupted uuencode
* [Fix] lua_scanners - razor rename need_check function
* [Rework] Require CMake 3.9 to work, remove manual lto crap

Release 2.0

* [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 rspamd#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

Release 1.9.4

* [CritFix] Fix case sensitivity when parsing Content-Type
* [Fix] Arc: Another bunch of fixes for arc signing
* [Fix] Arc: More arc signing fixes
* [Fix] Avoid another overflow in fpconv
* [Fix] Fix ARC signing after fixing another bug in it...
* [Fix] Fix dkim signing exceptions
* [Fix] Fix some more corner cases for fpconv
* [Fix] Further fixes to printing of the FP numbers
* [Fix] Ratelimit: Fix dynamic score

Release 1.9.3

* [Conf] Add IP_SCORE_FREEMAIL composite rule
* [Feature] Add cryptobox method to generate dkim keypairs
* [Feature] Add fast hashes to lua cryptobox hash
* [Feature] Add least passthrough results
* [Feature] Allow oversign if exists mode
* [Feature] Clickhouse: Modernise table initial schema
* [Feature] Implement IUF interface for specific fast hashes
* [Feature] Lua_util: Allow to obfuscate different fields
* [Feature] Tune memory management in Rspamd and Lua
* [Fix] Avoid buffer overflow when printing long lua strings
* [Fix] Change the default oversigning headers to a more sane list
* [Fix] Clickhouse: Do not store digest as it is not needed now
* [Fix] Clickhouse: Fix lots of storage issues
* [Fix] Clickhouse: Support custom actions
* [Fix] Deny URLs where hostname is bogus
* [Fix] Do not blacklist mail by SPF/DMARC for local/authed users
* [Fix] Fix DoS caused by bug in glib
* [Fix] Fix UCL parsing of the multiline strings
* [Fix] Fix buffer overflow when printing small floats
* [Fix] Fix init code for servers keypairs cache
* [Fix] Fix issue with urls with no tld (e.g. IP)
* [Fix] Fix memory in arc signing logic
* [Fix] Fix memory leak in language detector during reloads
* [Fix] Fix mixed case content type processing
* [Fix] Fix processing of the ip urls in file
* [Fix] Fix use after free
* [Fix] HTML: Fix `size` attribute processing
* [Fix] Hum, it seems that 99ff1c8 was not correct
* [Fix] Lua_task: Fix task:get_from method
* [Fix] Preserve fd when mapping file to scan
* [Fix] Re-use milter_headers settings when doing arc signing
* [Fix] Set dmarc force action as least action
* [Fix] Switch to GMT
* [Fix] allow PKCS7 signatures to be text/plain, too
* [Project] Add initial version of the vault management tool
* [Project] Add vault support for DKIM and ARC signing
* [Project] Implement keys rotation in the vault
* [Project] Improve dkim keys generation for vault
* [Project] Improve keys creation in rspamadm vault
* [Rework] Move lua_worker to a dedicated unit
* [WebUI] Add URL fragments (#) support
* [WebUI] Fix AJAX request URL