Version 2.2.2-beta, 11 feb 2014

added #1604, CALL KEYWORDS can show now multiple lemmas for a keyword
added ALTER TABLE DROP COLUMN
added ALTER for JSON/string/MVA attributes
added REMAP() function which surpasses SetOverride() API
added an argument to PACKEDFACTORS() to disable ATC calculation (syntax: PACKEDFACTORS({no_atc=1}))
added exact phrase query syntax
added flag '--enable-dl' to configure script which works with libmysqlclient, libpostgresql, libexpat, libunixobdc
added new plugin system: CREATE/DROP PLUGIN, SHOW PLUGINS, plugin_dir now in common, index/query_token_filter plugins
added ondisk_attrs support for RT indexes
added position shift operator to phrase operator
added possibility to add user-defined rankers (via plugins)

changed #1797, per-term statistics report (expanded terms fold to their respective substrings)
changed default thread_stack value to 1M
changed local directive in a distributed index which takes now a list (eg. local=shard1,shard2,shard3)
deprecated SetMatchMode() API call
deprecated SetOverride() API call
optimized infix searches for dict=keywords
optimized kill lists in plain and RT indexes
removed deprecated “address” and “port” config keys
removed deprecated CLI search and sql_query_info
removed deprecated charset_type and mssql_unicode
removed deprecated enable_star
removed deprecated ondisk_dict and ondisk_dict_default
removed deprecated str2ordinal attributes
removed deprecated str2wordcount attributes
removed support for client versions 0.9.6 and below