Highlights

• Finalised RDBMS implementation for PubSub
• MongooseIM integration with RabbitMQ
• PKI authentication improvements

All changes

Added

• PubSub improvements
  • RDBMS backend for pubsub_node table (#2145)
  • mod_pubsub_cache_rdbms implementation (#2144)
  • RDBMS support for subscription options in PubSub (#2165)
  • Generic metrics measuring number of errors and execution time for different PubSub actions based on sent IQs (#2178)
  • Setting subscription options for flat_node (#2165)
• RabbitMQ layer (#2127, #2216)
  • RabbitMQ backend for event_pusher
  • rabbit worker pool (that can be used for any interaction with RabbitMQ)
  • mongoose_amqp module that deals with AMQP protocol layer
• Address best practices for using SASL EXTERNAL as defined by XEP-0178 (#2204, #2223, #2231)
• Upsert API for RDBMS (#2153)
• gen_mod:opts_for_module/2 which allows you to selectively retrieve opts passed through config to a given module (#1027)
• Backend functions get a new metric: number of function calls (#2177)
• mod_vcard calls optional tear_down callback on the backend module (#2152)

Changed

• Update dependencies:

  • lager 3.6.7 (#2138)
  • cowboy 2.6.0 (#2138)
  • idna 6.0.0 (#2138)
  • uuid 1.7.4 (#2138)
  • fast_tls 1.0.26(#2138, #2203)
  • epgsql 4.2.1 (#2138)
  • cache_tab 1.0.16 (#2138)
  • stringprep 1.0.14 (#2138)
  • proper 1.3.0 (#2138)
  • meck 0.8.12 (#2138)
  • bbmustache 1.6.1 (#2138)
  • erlcloud 3.2.2 (#2138)
  • observer_cli 1.4.1(#2138)
  • bbmustache 1.6.1 (#2182)
  • jiffy 0.15.2 (#2182)
  • proper 1.3.0 (#2182)
  • escalus 4349a80 (#2182)
  • shotgun 636d14e (#2182)
  • recon 2.4.0 (#2162)
  • nkpacket f7c5349 (#2147)

• PubSub changes

  • Extract mnesia operations around pubsub_node table to the backend module (#2141)
  • Optimize the way a pubsub node is removed (#2136)
  • Remove pubsub_subscription module, refactor opts forms processing and integrate option storage logic into DB backends (#2148)
  • mnesia cache backend for pubsub_last_item extracted to a separate cache backend module (#2144)
  • Simplified pubsub_index API, removed free function (#2156)
  • Backend modules call pubsub_index when the id is not passed (#2156)
  • Use RDBMS autoincrementing index in place of pubsub_index (#2160)
  • Replace Mnesia's transaction and sync_dirty calls in the RDBMS backend with proper RDBMS equivalents (#2191)
  • Return the index when the node is created (#2160)
  • Parallelised PubSub message broadcast (#2206)
  • Spawn a new process in mod_pubsub:broadcast_stanza/9

• Change stop_module_keep_config/2 and stop_module/2 to return module opts (#1027)

• Update snippet to register users (#2181)

• Use map syntax to pass ranch transport options (#2188)

• Change the name of the metric responsible for the number of backend function calls (#2193)

• Replace jsx with jiffy (#2199)

• Make HTTP headers lowercase to avoid HTTP/2 connection errors (#2211)

Fixed

• Add mod_pubsub_db_backend:add_item to the tracked functions (#2193)
• erlcloud_sns:publish content format (#2176)
• infinity mapped to 0 in the matches option in mod_vcard_ldap (#2179)
• mod_vcard_ldap ignored ldap_uids formed as {"attribute"} and only parsed {"attribute", "format"} correctly (#2180)
• Return MAM item-not-found IQ result when a nonexistent message ID is asked for (#2166)
• Fix mongooseimctl debug command to use correct hostnames (#2201)
• Use mongooseim-docker with a name flag and nodename fixes (#2205)
• Fix compilation errors when the compilation directory has whitespaces in it (#2203)
• Default inbox backend is set to rdbms (#2236)
• mod_vcard_ldap:eldap_pool_search/6 empty list handling (#2226)
• lowercase HTTP headers in mod_bosh for HTTP/2 compliance (#2211)

Other

• Run Travis builds on newer (not newest) Ubuntu LTS version Xenial (16.04) (#2151)
• Update mongooseim-docker to cc7326bfd0129943206a67e57dd861ff19c403c7 (#2190)
• Test improvements and refactoring (#2165, #2162, #2164, #2170, #2127, #2142, #2146, #2147)
• Fix broken or remove outdated links in docs (#2183)
• Install the most up to date package builder epel-release for centos 7 (#2154)
• Stabilize the ldap job on travis (#2140)
• Update find-hooks.awk (#2225, #2232)
• Update escalus to 8911491 (#2224)
• Update documentation (#2155, #2163, #2167, #2233, #2227)

Commits, merged PRs and closed issues

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

Special thanks to our contributors:

• @sstrigler
• @getong
• @cogentParadigm