New in this release:
Modules
* mod_mimicking: Prevent address spoofing
* mod_s2s_bidi: Bi-directional server-to-server connections (XEP-0288)
* mod_external_services: Generic XEP-0215 support
* mod_turn_external: Easy setup of XEP-0215 for STUN/TURN for audio/video calls
* mod_http_file_share: File sharing via HTTP (XEP-0363)
* mod_http_openmetrics: Expose metrics to Prometheus and compatible monitoring systems
* mod_smacks: Stream management and resumption (XEP-0198)
* mod_auth_ldap: LDAP authentication
* mod_cron: One module to rule all the periodic tasks
* mod_admin_shell: New home of the Console admin interface
* mod_admin_socket: Enable secure connections to the Console
* mod_tombstones: Prevent re-registration of deleted accounts
* mod_invites: Create and manage invites
* mod_invites_register: Allow registering accounts using invites
* mod_invites_adhoc: Create invites via ad-hoc command
* mod_bookmarks: Synchronise open rooms between clients
Security and authentication
* Unencrypted HTTP port (5280) restricted to loopback by default
* require_encryption options default to true if unspecified
* Authentication module defaults to internal_hashed if unspecified
* SNI support (including automatic certificate selection)
* ALPN support in mod_net_multiplex
* DANE support in low-level network layer
* Direct TLS support (c2s and s2s)
* SCRAM-SHA-256
* Direct TLS (including https) certificates are now updated on reload
* Pluggable authorization providers (mod_authz_*)
* Easy use of Mozilla TLS recommendations presets
HTTP
* CORS handling now provided by mod_http
* Built-in HTTP server now handles HEAD requests
* Uploads can be handled incrementally
API
* Module statuses (API change)
* util.error for encapsulating errors
* Promise based API for sending queries
* API for adding periodic tasks
* More APIs supporting ES6 Promises
* Async can be used during shutdown
Other
* Plugin installer
* MUC presence broadcast controls
* MUC: support for XEP-0421 occupant identifiers
* prosodyctl check connectivity via observe.jabber.network
* STUN/TURN server tests in prosodyctl check
* libunbound for DNS queries
* The POSIX poll() API used by server_epoll on *nix other than Linux
Changed in this release
* Improved rules for mobile optimizations in mod_csi_simple
* Improved rules for what messages should be archived in mod_mam
* mod_limits: Support for exempt JIDs
* mod_server_contact_info now loaded on components if enabled
* Statistics now based on OpenMetrics
* Statistics scheduling can be done by plugin
* Offline messages aren't sent to MAM clients
* Archive quotas (maximum limit on items in an archive store)
* Rewritten migrator with archive support
* Improved automatic certificate locating and selecting
* Logging to syslog no longer missing startup messages
* Graceful shutdown sequence that closes ports first and waits for connections to close
Removed in this release
* daemonize option deprecated
* SASL DIGEST-MD5 removed
* mod_auth_cyrus (older LDAP support)
* Network backend server_select deprecated (not actually removed yet)
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