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+0.9.0:
+ * Add support of the fast and secure protocol level encryption:
+ - curve25519 is used for key exchange;
+ - chacha20/poly1305 cryptobox construction for bulk encryption;
+ - zero latency overhead;
+ - encrypting and balancing HTTP proxy worker
+ * Rework expressions and create new expressions library:
+ - aggressive optimizations based on the abstract syntax tree;
+ - abstract expressions support (regular expressions, functions, lua modules
+ composites and so on)
+ - New comparision and '+' operators support
+ - New greedy algorithm to minimize execution time of expressions and
+ all symbols
+ - Dynamic expressions benchmark and reoptimizations
+ * Many improvements to the LUA API:
+ - reworked logger module allowing to do pretty print of the most of lua
+ types (including tables and userdata classes)
+ - reworked lua redis and lua HTTP to support more features
+ - added opaque type for passing large text chunks without copying
+ - new regexp module with many auxiliary functions (e.g. `re:split`)
+ * LuaJIT is now the default requirement for rspamd allowing to speed up lua
+ execution by a large margin (however, plain lua is still supported)
+ * New plugins:
+ - spamassassin rules plugin that allows to load and re-use the most of
+ SA rules natively
+ - DMARC plugin that evaluates SPF and DKIM policies to the domain policies
+ - many old plugins has been reworked to implement new features and improve
+ stability
+ * New aho-corasic trie implementation from @mischasan that allows to load and
+ use hundreds of thousands of patterns with no influence on load
+ * Support of PCRE JIT and PCRE JIT fast path modes that significantly improves
+ the performance of regular expressions if supported by PCRE
+ * New URLs parser and extractor:
+ - removed legacy code that was useless for url finding
+ - reworked algorithms of URL parsing for more precise and accurate results
+ - added top-level-domains tree from http://publicsuffix.org
+ - improved emails parsing
+ - removed many phishing false positives due to TLD tree check
+ * New statistics infrastructure:
+ - created a separate layer of statistic library
+ - improved OSB-Bayes by re-weighting tokens according to the original
+ academic paper and `crm114` implementation, which reduced false positives
+ rate significantly
+ - created learn cache to avoid double learning of statistics and providing
+ an efficient way to re-learn class for a message
+ - created abstract layers for different statistics backends
+ - implemented new tokenization algorithms with fast or secure (siphash)
+ hashes to generate statistics features
+ * Reworked utf8 tokenization that previously corrupted all UTF8 words (minor
+ incompatibility with old fuzzy hashes with utf-8 symbols)
+ * SPF module has been completely rewritten to support complex cases of
+ `include` and `redirect` within SPF records
+ * DKIM module now supports multiple signatures
+ * Controller passwords can now be stored encrypted by `PBKDF2-HMAC` in the
+ configuration file
+ * Many hand-written HTTP clients has been replaced with the common rspamd
+ http module
+ * New test framework:
+ - import lua `telescope` test framework
+ - add unit tests for many rspamd modules and routines
+ - create a unit test for each possible bug found
+ - use luajit ffi for testing C code
+ - added preliminary support of functional testing by creating tasks from lua
+ * Randomize hash seed to avoid certain hash tables vulnerabilities
+ * Documentation improvements:
+ - added documentation for the vast majority of rspamd modules
+ - added documentation for rspamd protocol
+ - added documentation for the most of rspamd LUA extensions
+ * Fixed tonns of bugs and memory leaks
+ * Added tonns of minor features
+
0.8.3:
* Various critical fixes in distribution (by @dottedmag and @fatalbanana)
* Fixed bugs in url detector to parse certain patterns