* [Conf] Add MSBL proposed return codes
* [Conf] Add additional groups for policies
* [CritFix] Do not use volatile Lua strings as UCL keys
* [Feature] Add ability to add fuzzy hashes to headers
* [Feature] Add function to extract most meaningful urls
* [Feature] Add rule to block mixed text and encrypted parts
* [Feature] Allow multiple groups for symbols
* [Feature] Allow to disable lua squeezing logic
* [Feature] Allow to get multipart children in Lua
* [Feature] Allow to insert multiple headers from milter headers
* [Feature] Allow to print scores in subject and further extensions
* [Feature] Be more error-prone in squeezed rules
* [Feature] Support multiple return codes in emails module
* [Feature] Use EMA for calculating averages
* [Feature] Use common jit cache for all regexps
* [Feature] support for CommuniGate Pro self-generated messages
* [Fix] Allow to have multiple values for headers as arrays
* [Fix] Do not open sockets for disabled workers
* [Fix] Fix AuthservId
* [Fix] Fix base64 folding in Lua API
* [Fix] Fix build on non-x86 platforms
* [Fix] Fix cached maps logic
* [Fix] Fix compatibility with old maps query logic
* [Fix] Fix crash if skip_map is used
* [Fix] Fix importing static maps from UCL
* [Fix] Fix parsing of unix sockets
* [Fix] Fix raw_mime regexp on HTML part with no text content
* [Fix] Fix tables logging
* [Fix] Fix vertical tab handling in libucl
* [Fix] Try to fix frequency counters
* [Fix] Use better sharding for ip_score
* [Fix] Use multiple results from SURBL DNS reply
* [Fix] When doing AV scan select a different server for retransmit