Log message:
Update chat/ejabberd to 17.08.

Core
- Erlang/OTP 17.5 or higher is required, and 20 is now supported
- Make ejabberd_cluster modular
- Replace gen_fsm with p1_fsm to avoid warnings in OTP20+
- Fix clustering table reg_users_counter
- ext_mod: Update spec from custom and allow modules dependencies
- extauth.py: Fix to support : in passwords
- Set high water mark in lager for all backends
- Fix old route record in mnesia’s route table haven’t been remove
  when restarting in some cases
- ejabberd_cluster*.erl: Add copyright and fix description
- Add support of rfc6120 section 4.9.3.16 on node shutdown

Configuration
- ejabberd_c2s: Fix priority of ‘certfile’ option
- Introduce ‘hosts’ modules option
- Fix ERLANG_OPTS, INET_DIST_INTERFACE and FIREWALL_WINDOW option
- Remove unused ‘managers’ option, related to the deferred XEP-0321

Commands
- Fix errors when running ejabberdctl as root
- Fix set_presence command to work in recent ejabberd
- Rename stop_all_connections to stop_s2s_connections for consistency
- Change policy of user_resources command, from user to admin
- Remove old command calling interface
- Describe more command arguments and results

Modules
- mod_http_api: Use hide_sensitive_log_data option when registering
  users
- mod_http_fileserver: Request basic auth dialog from browser
- mod_muc: Fix nick bug with MUC on riak
- mod_muc: new hooks
- mod_push: Support XEP-0357: Push Notifications
- mod_push_keepalive: New module

PubSub/PEP
- Keep disco#info on PEP compatible with XEP-0060
- Preliminary export PubSub data from Mnesia tables to SQL file
- Fix PubSub send last published items
- Fix PEP node removal
- Fix PEP node identity
- Fix disco#items on PEP service
- Fix getting cached last item
- Add import of PEP from prosody

Log message:
Follow some http -> https redirects.

Log message:
Update chat/ejabberd to 17.07.

Version 17.07
=============

Core
- Close accepted socket if sockname/peername has failed.

Version 17.06
=============

New features
- The new cache system is also a new component that allows fine tuning
  of ejabberd performance for either small systems or large scale
  servers.
- Certificate Manager is a feature that has been requested by many
  organisations, allowing administrators to manage their certificate
  more easily
- Riak support for several modules

API
- Deprecate misc:encode_base64/1 and misc:decode_base64/1
- Rename is_user_exists function to user_exists
- Allow api access on both ipv4 and 6 loopback addresses
- Fix invalid argument in get_messages_susbset

Admin
- Refactor ejabberdctl
- Improve ejabberdctl parameters parsing
- Quote all paths to allow spaces in directory names
- update-deps-releases.pl: Show operations to perform before asking to
  apply them
- Fix Salt import from prosody SCRAMmed password

Configuration
- Validate module options on start_module/2
- Validate new options before module reloading
- Validate second-level options
- Introduce iqdisc global option
- stream_management listen option deprecated, use mod_stream_mgmt
- Check presence of some files during option validation
- Speedup configuration options lookup
- Validate all certfiles on startup
- Only validate certfiles if public_key:short_name_hash/1 is available
- Introduce Certficate Manager

Commands
- Add clear_cache admin command
- Parse correctly presence_broadcast option in change_room_option
  command
- Describe command arguments and results in mod_muc_admin
- Improve export2sql explanation; remove obsolete and duplicated
  command
- Fix and document push_roster_all command
- Fix mod_muc_admin command set_room_affiliation
- Fix invalid {args,result}_examples in mod_muc_admin
- Fix srg_user_add/del for non-Mnesia database backends
- Make ext_mod api return rescode

Compilation
- Erlang 17.5 or higher is required
- Add --enable-system-deps configure option
- Add --enable-stun and --enable-sip configure options

Core
- Speedup Mnesia tables initialization
- Improve Mnesia tables creation and transformation
- Improve ejabberd_c2s:close()
- ejabberd_c2s: Don’t close session on stream resume
- Speedup loading of translation files
- Fix ejabberd_router:is_my_route/1
- Don’t let a receiver crash if a controller is unavailable
- Fix OTP-17.5 support
- websocket: Catch exception that may happen when sending data over
  websocket

Databases
- New sql_connect_timeout option
- New sql_query_timeout option
- Get rid of sql_queries.erl
- Use round-robin algorithm when selecting worker from DB pool
- Add Riak as BOSH RAM backend
- Add Riak as mod_proxy65 RAM backend
- Add Riak as mod_carboncopy RAM backend
- Add Riak as router RAM backend
- Add Riak as session manager RAM backend
- Fix cleaning of Riak route table
- Add pubsub import from prosody/metronome
- Fix username in mam export
- Fix Salt import from prosody SCRAMmed password
- In offline export to SQL, first write all DELETE, later all INSERT

Cache
- Implement cache for mod_announce
- Implement cache for mod_private
- Implement cache for mod_privacy/mod_blocking
- Implement cache for mod_last
- Implement cache for mod_vcard and mod_vcard_xupdate
- Implement cache for roster
- Add cache options to the validator
- Use cache for authentication backends
- Use new cache API in mod_shared_roster_ldap
- Use new cache API in ejabberd_oauth
- Use new cache API in mod_mam
- Use new cache API in mod_caps
- Use cache in front of Redis/SQL RAM backends

Modules
- mod_http_upload: Add support for HTTP File Upload 0.3.0
- mod_mam: Added export function
- mod_metrics: Don’t leak with UDP sockets
- mod_metrics: New options ip and port
- mod_muc: Allow a room admin to un/subscribe another JID
- mod_offline: Don’t store messages via a single process
- mod_offline: Make sure only jabber:x:event tag is present in offline
  event
- mod_register: New option ‘access_remove’ ACL
- mod_stream_mgmt: Preserve stanza count on timeout
- mod_vcard_ldap: Parse ldap_uids like in eldap_utils
- mod_client_state: Reset state on session resume
- mod_metrics: Fix IP address parsing
- mod_pubsub: Avoid useless calls on simples subscriptions
- mod_block_strangers: Add allow_local_users option

Elixir
- Update elixir to v1.4.4

Log message:
Update chat/ejabberd to 17.04.
Make the Redis support unconditional (no extra dependencies).

Changes in 17.04:

Admin
- Add more examples on config template
- Generate ejabberd lib dir when not available in code server
- Set default prefix to /usr/local
- Start supervisors after ext_mod
- Don't log warning on successful ping reply
- New muc_register_nick command

Core
- Deprecate jlib.erl in favor of misc.erl
- Add support for file-based queues
- ejabberd_sm: Fix routing of headline and groupchat messages
- Fix c2s connection close on demand
- Improve overloaded S2S queue processing

Databases
- Improve Redis related code
- Add Redis pool support
- Improve logging of Redis errors
- Add Redis and SQL as mod_proxy65 RAM backends
- Add Redis and SQL as mod_carboncopy RAM backends
- Add Redis and SQL as mod_bosh RAM backends
- Add Redis and SQL as router RAM backends
- Add SQL as mod_muc RAM backend
- Remove obsolete Pubsub mnesia migration calls

Miscellany
- ejabberd_http: Expand @VERSION@ in custom headers
- ejabberd_http: Add "custom_headers" option
- mod_client_state: Queue stanzas of each full JID
- mod_http_upload: Don't add "Server" header line
- Pubsub: Refactor pubsub's get_last_items
- Pubsub: Fix PEP issues

Log message:
Update chat/ejabberd to 17.03.

Major improvements
- New modular code allows to develop modules for a wide scope of
  functionalities without patching the core code such as C2S, S2S and
  router
- Now 'From' and 'To' arguments must be omitted in functions and
  structures related to routing
- Ejabberd used to store all in-memory shared data such as ACLs,
  proxy65, sessions, routes, clustering, etc in internal Mnesia
  database and this used to be hardcoded. With new API it's now possible
  to store such data in any database. However, currently only Mnesia
  backend is supported.
- Dynamic configuration reload allows to reload modules, database
  connections, listeners, ACLs and global options without restarting
  ejabberd
- Spam protection allows to block packets from non-subscribers
- S2S dialback is now an optional module

Developer
- tools/hook_deps.sh: checks hook dependencies
- tools/find-outdated-deps.pl: checks which dependences need update
- Mark as deprecated add/get_local/global_option config functions
- Change routing API

Core
- Fix some corner cases while re-reading RFC6120
- Attach IP metadata to every stanza received from stream
- Apply SASLprep before storing/converting passwords
- Send compressed in correct order
- Reset XML stream before sending SASL success
- Speedup features list when a lot of virtual hosts configured
- Fix s2s_dns_timeout issues
- Better handling of IPv6 domains
- Rename mod_sm -> mod_stream_mgmt
- Don't count resent stanzas
- Improve startup procedure, and log startup time
- Add more processes to supervision
- sm_sql: Avoid PID collisions

Admin
- Add 'supervisor' listening option
- Accept "add_commands: admin" in commands section
- Make sure that api_permissions always have "console commands"
  section
- Change name of pam dep from p1_pam to epam
- Improve compilation with rebar3
- Add TLS support for external components
- Specify "ExecReload" command in systemd unit
- Don't attempt to resolve _jabber._tcp SRV record
- Improve error reporting for forbidden servers
- mod_block_strangers: New module to block packets from
  non-subscribers
- mod_register: Report password change in the log
- Remove relict mod_service_log
- Remove unused mod_ip_blacklist
- Remove ejabberd_frontend_socket
- WebAdmin: improve formatting when showing erlang terms
- Import from Prosody: Fix import of SCRAM passwords, offline

API & Commands
- get_last now always returns tuple with UTC XEP-0082 and status
- Protect users from delete_old_users command using a fixed access
  rule
- Separate list of strings with \n for srg_get_info in mod_http_api
- Support non-JID lines in command create_rooms_file
- stop_all_connections now stops all s2s connections via supervisor
  calls
- Support scrammed passwords in ejabberdctl import_prosody

Configuration
- Provide example mod_http_api configuration with couple commands
- Clarify new modules usage in the example config
- Don't crash on malformed IP addresses
- Fix parsing of acl/access rules inside oauth sections of
  api_permissions

Config reload improvements
- Start/stop auth modules when host is added/deleted
- Improve modules start/stop procedures
- Check result of gen_mod:start/2 callback
- Improve reload_config admin command
- Invalidate access permissions on configuration reload
- Start/stop virtual hosts when reloading configuration file
- Reload modules when reloading configuration file
- Restart listeners on configuration reload
- Make sure all hooks are called with proper host

Databases
- Add missing NOT NULL restrictions in schemas
- Move archive tables into lite.sql for better comparison with other
  schemas
- Implement database backend interface for mod_proxy65
- Implement database backend interface for MUC, BOSH and auth_anonyous
- Implement database backend interface for ejabberd_router
- Propagate the TRANSACTION_TIMEOUT to pgsql driver

New XMPP stream behavior
- Reflect cyrsasl API changes in remaining code
- Improve return values in cyrsasl API
- More refactoring on session management
- Add xmpp_stream_out behavior and rewrite s2s/SM code
- Rewrite ejabberd_service to use new XMPP stream API

MAM & offline storage
- Make a message is not bounced if it's archived
- Archive message before delivering it to offline storage
- Include stanza ID with archived offline messages
- Add stanza-id to every archived message

PubSub
- Avoid orphan_item leak on affiliation/subscription removal
- Fix pubsub SQL schemas, add NOT NULL restrictions
- Fix last item cache for multiple hosts

Server to server
- Several improvements of S2S errors logging
- Resolve all addresses from SRV lookup
- Add s2s work-around for gmail.com

Log message:
Update chat/ejabberd to 17.01

Most relevant changes:

Admin
- Add example api_permissions: definition to config template
- Allow old-stype mod_vcard_ldap in the config
- Fix migration of old pubsub database (migrating from 2.1.x)
- Get nodes from ejabberd_cluster instead of mnesia
- mod_configure: Fix configuration commands

Core
- Fix case clauses when using compression
- Set from/to in every routed packet
- Correctly process errors from new cyrsasl API
- Improve return values in cyrsasl API

Modules
- mod_http_bind: remove and migration code to mod_bosh
- mod_muc: Allow a subscriber to create room, then set
  allow_subscription=true
- mod_muc: Support legacy muc#roomconfig values
- mod_offline: Decode message before checking for expiration

Mnesia
- Let ejabberd_mnesia handles copy_type
- Fix index processing
- Speedup table setup, no i/o if EJABBERD_SCHEMA_PATH not set

SQL
- Add SSL support for SQL connections with PostgreSQL 1.1.2+
- Cope with malformed values in 'rosterusers' SQL table
- Improve tag insertion, avoid duplication

Log message:
Update chat/ejabberd to 16.12.

API / integration
- New API permissions framework

Commands
- Add configurable weight for ejabberd commands
- add_rosteritem: Support several groups separated by ;
- create_rooms_file: Fix reading room jids from file
- delete_old_messages: Fix command for SQL backends
- send_message: Don't duplicate the message
- Remove obsolete remove_node command (use leave_cluster)
- Fix reload_config
- Cleanup mod_admin_extra, add few functions
- Expose unregister API command

Core XMPP
- New BOSH module
- Use fxml_gen XML generator
- Use our new stand-alone XMPP library instead of jlib.erl
- Don't let MAM messages go into offline storage
- Add xdata generator for XMPP data form
- Get rid of excessive (io)list_to_binary/1 calls

HTTP
- Add authentication support to mod_http_fileserver
- ejabberd_http: Handle missing POST data gracefully
- Use inets instead of lhttpc in http_p1
- Add http_p1.erl, rest.erl, and oauth2 ReST backend for OAuth2 tokens

MUC
- Create room on configuration request as per XEP-0045, 10.1.3
- Ensure that presence_broadcast room option is stored
- Fix conference disco#items when running multiple virtual hosts
- Fix Result Set Management (RSM) for conference disco#items
- Introduce muc_invite hook
- Make the constant MAX_ROOMS_DISCOITEMS configurable
- mod_carboncopy: Don't copy MUC private messages

MUC/Sub
- Store the flag "Allow Subscription" room option in database
- When getting list of subscribed rooms, also check temporary ones
- Add password support in muc_subscribe
- When unsubscribes, check if room should get closed

Pubsub
- Enforce pubsub node removal
- Relational databases support
- Append ; to privacy_list_data exporting lines
- Improve relational database import

Build
- Make build system compatible with rebar3
- Produce ejabberd.service and fix for systemd usage
- Cleanup ext_mod and fix compilation path
- Fix compilation of external module with new xmpp lib

Log message:
Update chat/ejabberd to 16.09.

New XMPP Extension support
- Support for XEP-0355 - Namespace Delegation
- Support for XEP-0356 - Privileged Entity

Elixir support
- Support for Elixir-based configuration files

MUC/Sub
- Add a new request to list MUC room subscribers
- Link MUC subscription to bare JID
- New commands unsubscribe_room and unsubscribe_room for MUC
  subscriptions management through API
- Fix nick-to-jid mapping for MUC subscribers
- Fix subscribed rooms list retrieval
- Fix message routing from subscribers
- Do not update muc_online_users table on MUC/Sub operations

MUC
- Support multiple JIDs in room invitations
- Create room on configuration request as per XEP-0045, 10.1.3

PubSub
- Add SQL support for microblogging node plugin
- Fix publish with subscriber publish model and SQL backend
- node_mb: Call node_pep instead of node_hometree

Stream Management
- New Stream Management option: ack_timeout
- Fix Stream Management feature for the websocket connections
- Cancel timer when waiting for resumption

MAM and Offline
- Don't store messages of type "headline"
- Simplify "assume_mam_usage" option
- Honor hint for any non-"error" message
- Store announcements for offline users

Database
- Session backend: fix clean Redis table
- mod_shared_roster: Support SQL backend

ejabberdctcl admin tool
- ejabberdctl: do not force access rules check on register command
- ejabberdctl: do not force command line to pass a credential
- New commands unsubscribe_room and unsubscribe_room for MUC
  subscriptions management
- New command create_room_with_opts to create room with custom
  config

ejabberd API
- New commands unsubscribe_room and unsubscribe_room for MUC
  subscriptions management
- New command create_room_with_opts to create room with custom
  config
- Add X-Admin and basic auth header to CORS allowed headers in
  http_api
- Properly process OPTIONS header in http_api for all paths
- Expand parsing of JSON input to be able to handle update_roster
  command
- Provide proper args_desc in oauth_issue_token command

Developer features: ejabberd Hooks
- Add hooks c2s_session_pending, c2s_session_resumed,
  store_offline_message, store_mam_message
- Add CSI user's JID argument to csi_filter_stanza and
  csi_flush_queue hooks
- Add functions to get/set some c2s #state elements from external
  modules
- mod_client_state: Let other modules filter stanzas
- rework c2s API to simplify push modules integration

Log message:
Update chat/ejabberd to 16.08.

ejabberd 16.08

MUC
- New MUC/Sub support
- Add 'allow_subscription' room configuration option for MUC/Sub

OAuth and ReST API
- Add OAUTH SQL backend
- New special scope: ejabberd:admin and ejabberd:user, to more
  easily grant group of privileges
- Add DB backend support for ejabberd_oauth
- Added ejabberdctl commands to manage OAuth tokens:
  oauth_issue_token, oauth_list_tokens, oauth_list_scopes,
  oauth_revoke_token
- Simplified OAuth form: username and password merged into JID
  field
- User configurable validity duration for tokens on OAuth token
  generation form
- Add support for sending back missing scope error to API ReST
  command calls
- Oauth: several minor fixes
- Support oauth password grant type, to generate token
  programmatically

Elixir support
- Update supported Elixir version to 1.2 and 1.3.
- Support installation of Elixir contributions with external
  module command line tool.

PubSub
- Fix use of like parameter in sql pubsub's requests
- Fix node configuration change with sql backends
- Fix send_last_items duplication with multi-plugin setup

MAM
- Always limit result set page size
- Use hooks instead of direct calls

API
- Add support for checking access rules conformance for commands
- Add support for rich error reporting for API
- Add support for sending back missing scope error to API ReST
  command calls
- Fix handling of complex values as arguments in http_api
- Improve error handling

Other improvements
- External Component Connection Hooks
- Fix compilation issues on R19
- Support for OpenSSL 1.1
- Make access rules in ejabberd_web_admin configurable
- Make modules loading in a dependent order (#1191)
- Make s2s stats commands more robust
- Preserve PID for offline sessions
- Several quoting fixes for PostgreSQL
- Switch supervised workers from temporary to transient

ejabberd 16.06

Config
- New ACL infrastructure
- Add shorter version of some common access rules definitions
- Allow @ inside acl rules user, user_glob or user_regexp to pass
  both user and server in single string
- Add acl rule access_rules_validator and shaper_rules_validator
  for use in mod_opt_type and opt_type callback functions.
- Allow using shapers defined by name like in s2s_shaper: fast
- Allow mod_opt_type and opt_type to transform values passed to
  it, and support better error reporting
- Do not call transform_terms multiple times in configuration
  processing when merging them
- Don't halt program when include_config_file is missing/can't be
  read
- Allow again multiple fqdn values in configuration

Commands
- Allow passing username and ip to ejabberd_commands, and use it
  in mod_http_api
- Fix path to epmd in ejabberdctl
- push_roster: must convert read strings to binaries
- set_presence: Fix command API
- Fix for modules_update_specs command
- Add ejabberdctl commands to manage oauth tokens.

Core
- Bounce messages sent to server JID
- Fix C2S session leak in rare cases
- Fix handling of queued stanzas on session timeout
- Give more time to stop and kill epmd
- When stopping ejabberd, stop modules after broadcasting c2s
  shutdown
- XEP-0198: Use different error message for bounces
- XEP-0198: Add 'h' attribute to element
- XEP-0198: Also count stanzas when socket is closed

Databases
- Fix pgsql compatibility on delete_old_messages command
- Handle Redis connection in a separate module
- Report in SQL when scram is enabled but the stored password
  isn't
- Update SQL escaping
- Use MEDIUMTEXT type for muc_room.opts in MySQL schema

MAM
- Send unique stanza id and archived tag also in the message
  carbons
- Fix "assume_mam_usage: if_enabled"
- Fix typo in mod_mam:select()
- Updated support of XEP-0313 from version 0.4 to 0.5.1
- Mnesia: Avoid cleanup on bag when disc_only, switch in memory
- Mnesia: Don't exceed table size limit
- Mnesia: Use transactions when writing

Client State Indication
- Fix handling of chat states
- Simplify check for carbon-copied chat states
- Simplify handling of PEP stanzas
- Pass chat states of other resources
- Unwrap carbon copies when checking for chat states
- Add queue_pep option
- Queue chat state notifications
- Move CSI queue handling code from ejabberd_c2s
- When stopping, delete only the configured hooks

Other modules
- ext_mod: Set HTTP/1.0 so Github accepts the request
- gen_mod: Compile early to remove undefined behaviour warning
- mod_http_upload: Let client retry HTTP upload on file size
  mismatch
- mod_last: Produce mod_last entry on account creation
- mod_muc_room: Notify on affiliation changes
- mod_register: Check password with jid:resourceprep when
  registering account
- mod_roster: respect roster item changes introduced with
  roster_process_item hooks upon pushing
- PubSub: Fix PubSub RSM on get_items
- PubSub: Add support for PubSub publishing options
- PEP: Fix sender in case of explicit pep subscriptions
- ejabberd_xmlrpc: Report error when conversion of argument type
  fails

Log message:
Remove the stability entity, it has no meaning outside of an official context.