+1.5.5:
+ * [CritFix] Fix classifier learning with Redis backend
+ * [CritFix] Fix issue when parsing encoded rfc822/messages
+ * [Feature] Add escaped version of lua_ucl import
+ * [Feature] Add task:headers_foreach function
+ * [Feature] Allow to process filenames from content type
+ * [Feature] Allow to query hashed emails
+ * [Feature] Ignore bayes with mostly metatokens or with too few text
+ * [Feature] Probabilistically skip metatokens
+ * [Feature] Retrieve all virus names from SAVAPI
+ * [Feature] Rework classifiers lua metatokens
+ * [Feature] Store headers order
+ * [Feature] Store text tokens inside bayes tokens
+ * [Feature] Use cached shingles keys
+ * [Fix] Add missing score normalisation for HFILTER_URL_ONLY
+ * [Fix] Avoid lookup in absent hash
+ * [Fix] Check return values from Lua functions called from C
+ * [Fix] Do not count sending and loading time in rspamc
+ * [Fix] Escape json strings for controller rejplies from Lua
+ * [Fix] Fix archive scans for savapi
+ * [Fix] Fix domain_only emails RBL
+ * [Fix] Fix ip_score map configuration
+ * [Fix] Fix JSON output for history_redis
+ * [Fix] Fix one character length substrings search
+ * [Fix] Fix parsing of non-RFC compatible Exim received
+ * [Fix] Fix parsing of options for workers with the same type
+ * [Fix] Fix processing of small tokens vectors
+ * [Fix] Fix rfc2047 tokenization
+ * [Fix] Fix typo
+ * [Fix] More fixes for inplace decoding
+ * [Fix] Try to avoid modifications of the original data
+ * [Fix] URL redirector: Fix call to is_redirector
+ * [Rework] Set token data as uint64_t instead of chars array
+ * [WebUI] Check if neighbours' history backend versions match
+ * [WebUI] Disable phrase connectors replacement in history filtering
+ * [WebUI] Disable phrase connectors replacement in symbols filtering
+ * [WebUI] Do not hide messages with bad subject, just replace it with '???'
+ * [WebUI] Fix error message
+ * [WebUI] Fix history v2 display
+ * [WebUI] Fix legacy history
+ * [WebUI] history: break To address lists on commas
+ * [WebUI] Increase default timeout to 20 seconds
+ * [WebUI] Save some history table space
+
1.5.4:
* [Conf] Add history_redis default configuration
* [Feature] Add spoofed rules