Synapse 1.39.0rc3 (2021-07-28)

Bugfixes

• Fix a bug introduced in Synapse 1.38 which caused an exception at startup when SAML authentication was enabled. (#10477)
• Fix a long-standing bug where Synapse would not inform clients that a device had exhausted its one-time-key pool, potentially causing problems decrypting events. (#10485)
• Fix reporting old R30 stats as R30v2 stats. Introduced in v1.39.0rc1. (#10486)

Internal Changes

• Fix an error which prevented the Github Actions workflow to build the docker images from running. (#10461)
• Fix release script to correctly version debian changelog when doing RCs. (#10465)