Highlights

• GraphQL API and Command Line Interface (CLI) with many new commands
• Unified and reworked REST API
• Incremental and asynchronous dynamic domain deletion
• Full pagination support with RSM for Inbox
• Significant code refactoring
• Various improvements and fixes

All changes

Added

• GraphQL request handling and execution (#3354, #3442, #3454, #3515, #3633, #3642, #3646 #3648, #3689, #3719, #3803, #3822, #3830, #3894)
• GraphQL API schema and types (#3448, #3506, #3731, #3856, #3862, #3767)
• GraphQL API tests (#3745, #3474, #3709, #3718, #3720, #3730, #3736, #3740)
• GraphQL command implementation for the following categories:
  • account (#3503, #3824, #3895)
  • domain (#3499, #3715, #3851)
  • gdpr (#3711, #3855)
  • httpUpload (#3674, #3868)
  • inbox (#3694)
  • last (#3651, #3850)
  • metrics (#3665, #3861)
  • mnesia (#3725, #3896)
  • muc (#3615, #3627, #3799, #3875)
  • muc_light (#3538, #3563, #3563, #3576, #3742, #3881)
  • offline (#3688, #3864)
  • private (#3652, #3891)
  • roster (#3586, #3756, #3873)
  • server (#3744, #3793, #3877)
  • session (#3521, #3883)
  • stanza (#3483, #3565, #3814)
  • stat (#3700, #3715, #3870)
  • token (#3713, #3863)
  • vcard (#3639, #3890)
• GraphQL CLI (Command Line Interface) (#3701, #3702, #3708, #3710, #3714, #3724, #3739)
• GraphQL API documentation (#3704, #3773)
• Incremental and asynchronous domain deletion (#3774, #3775, #3777, #3813, #3889)
• Full pagination support for Inbox (#3827, #3843, #3844)

Removed

• Legacy hooks module (#3892)
• Legacy REST API command registry (#3697, #3759)

Changed

• Replaced legacy hooks and handlers with gen_hook (#3758, #3760, #3762, #3763, #3769, #3782, #3784, #3789, #3792, #3798, #3802, #3807, #3808, #3811, #3815, #3817, #3818, #3821, #3825, #3826, #3828, #3829, #3831, #3832, #3833, #3834, #3835, #3836, #3837, #3838, #3839, #3840, #3841, #3842, #3846, #3847, #3848, #3849, #3853, #3854, #3865, #3866, #3867, #3871, #3874, #3876, #3879, #3884, #3886, #3887)
• Reworked and unified REST API (#3741, #3753, #3768, #3771, #3776, #3780, #3801)
• Performance improvements (#3682, #3687, #3726, #3738, #3761)
• Added missing metrics (#3678)
• Improved configurability (#3728, #3733)
• MAM module names made more intuitive (#3684)
• Improved DB request aggregation (#3755)
• Improved logging (#3885)
• Minor refactoring (#3732, #3764, #3809)

Fixed

• Cassandra authentication issue (#3872)
• Message sent to oneself was stored twice (#3859)
• DB aggregator could stop working after an error (#3757)
• Unexpected errors in logs (#3695, #3743)
• Minor issues with MAM result paging (#3734)
• Incorrect optimization flags passed to asynchronous workers (#3727)
• Invalid format of the JWT secret (#3716)
• Persistent rooms were not stored in the DB (#3707)
• Issues with the anonymous login (#3706)

Other

• Updated documentation (#3424, #3675, #3677, #3679, #3766, #3794, #3869, #3893, #3900, #3902, #3903)
• Updated tools and scripts (#3698, #3723, #3737, #3897)
• Updated dependencies and other third-party software (#3683, #3699, #3779, #3820, #3823, #3898)
• Improved CI process (#3680, #3686, #3676)

Commits, merged PRs and closed issues

• List of merged PRs

• List of closed issues

• Repository history for this release

• List of merged PRs based on merge date

Special thanks to our contributors:

• @theowenyoung Add XEP-0333 Docs (#3424)