Hot on the heels of Synapse 1.16.1, 1.17.0 is a bug fix release most notably containing a fix for 'stuck invites' which happen when we are unable to reject a room invite received over federation.
Synapse 1.17.0 is identical to 1.17.0rc1, with the addition of the fix that was included in 1.16.1.
Synapse 1.17.0rc1 (2020-07-09)
Bugfixes
Fix inconsistent handling of upper and lower case in email addresses when used as identifiers for login, etc. Contributed by @dklimpel. (#7021)
Fix "Tried to close a non-active scope!" error messages when opentracing is enabled. (#7732)
Fix incorrect error message when database CTYPE was set incorrectly. (#7760)
Fix to not ignore set_tweak actions in Push Rules that have no value, as permitted by the specification. (#7766)
Fix synctl to handle empty config files correctly. Contributed by @kotovalexarian. (#7779)
Fixes a long standing bug in worker mode where worker information was saved in the devices table instead of the original IP address and user agent. (#7797)
Fix 'stuck invites' which happen when we are unable to reject a room invite received over federation. (#7804, #7809, #7810)
Updates to the Docker image
Include libwebp in the Docker file to properly handle webp image uploads. (#7791)
Improved Documentation
Improve the documentation of the non-standard JSON web token login type. (#7776)
Update doc links for caddy. Contributed by Nicolai Søborg. (#7789)
Internal Changes
Refactor getting replication updates from database. (#7740)
Send push notifications with a high or low priority depending upon whether they may generate user-observable effects. (#7765)
Use symbolic names for replication stream names. (#7768)
Add early returns to _check_for_soft_fail. (#7769)
Fix up synapse.handlers.federation to pass mypy. (#7770)
Convert the appserver handler to async/await. (#7775)
Allow to use higher versions of prometheus_client <0.9.0 which are expected to introduce no breaking changes. Contributed by Oliver Kurz. (#7780)
Update linting scripts and codebase to be compatible with isort v5. (#7786)