Highlights

• Push notifications improvements
  • Possibility to configure push notifications without real PubSub
  • Immediate push notifications to disconnected device in resume state
• Gathering of system metrics
• Support for the last two major OTP versions only: 21 and 22
• Performance improvements

There were some changes to the database schema so please take a look at Migration guide when upgrading from a previous version.

All changes

Added

• System metrics gathering (#2523, #2532, #2550, #2571, #2578, #2580, #2586, #2591, #2594, #2598, #2601, #2603, #2607, #2610, #2612)
• MAM disco#info to MUC and MUCLight rooms (#2272)
• Chat markers support for the room's REST API (#2274)
• Possibility to close malicious connections without revealing service details (#2304)
• Ping response time metrics (#2527)
• Emoji support in VCard's nickname field (#2539)
• Swagger documentation hosted by MongooseIM (#2543, #2556)
• Persistent fields from accumulator to offline storage (#2587)
  • This requires a new column in RDBMS, see the migration guide

Changed

• Push notifications
  • Immediate push notification to a connection in resume state (#2018, #2593)
  • RDBMS backend for mod_event_pusher_push (#2526)
  • PubSub-less push notifications (#2554)
  • Integration with MongoosePush API v3 (#2549)
  • Expired device_id removal (#2555)
  • Details from the push enable stanza are stored in session info now (#2568)
  • The push notification's priority can be set with enable stanza (#2569)
  • An unacknowledged_message hook is fired when a session is in resume state and a new message arrives (#2589)
  • Documentation update and rework (#2611)
• Riak bucket types are now configurable (#2490)
• Dependencies update:
  • lager: 3.8.0
  • cowboy: 2.7.0
  • epgsql: 4.3.0
  • mysql: 1.5.1
  • cache_tab: 1.0.20
  • stringprep: 1.0.17
  • erlcloud: 3.2.13
  • jwerl: 1.1.0
  • observer_cli: 1.5.3
  • amqp_client: 3.8.0
  • wpool: 4.0.1
• SASL mechanism management simplification (#2519)
• MUCLight room config simplification and unification (#2536)
• Performance improvements:
  • jid parsing in NIF (#2544)
  • use built-in base64 encoding (#2547)
  • C/C++ optimisations (#2604)
• ejabberd_sm improvements (#2566, #2582)

Removed

• get_stactrace calls (#2494)
• Support for MAM v0.3 (#2496)
• Usage of p1_time_compat (#2498)
• mod_push (#2553)

Other

• Pass the original accumulator when sending out a stanza (#2158, #2528)
• Remove sender related data from the accumulator before passing it further (#2510)
• Do not allow riak and redis pools to use the incompatible available worker strategy (#2243)
• Fix for connection crash when the client enables stream management but it's not available (#2482)
• Fix for REST API crash when user's JID is empty (#2543)
• Return Bad Request status when malformed JSON is passed to REST API (#2557)
• Possibility to call external HTTP auth backend to get valid user's certificates (#2044)
• Fix for last activity error iq responses (#2570)
• Fix c2s message bouncing issue (#2579)
• Fix for wrong namespace in ringing stanza (#2584)
• Fix warning for .deb packages (#2609)

Commits, merged PRs and closed issues

• List of merged PRs
• List of closed issues
• Repository history for this release

Special thanks to our contributors:

• @vkatsuba (#2542, #2543, #2556, #2557)
• @jzskca (#2272)
• @kaniini (#2488)
• @tomaszwojcikowski (#2584)
• @ivanov-aleksander (esl/mongooseim-docker#27, esl/mongooseim-docker#28, esl/mongooseim-docker#29, esl/mongooseim-docker#30)