A quick bug fix release that affects admins making use of monthly active user limits. You will know if you are affected because 1.9.0 will not start up. Apologies if you were bitten by this one!

Get the new release from github or any of the sources mentioned at https://github.com/matrix-org/synapse/blob/master/INSTALL.md.

Changelog since Synapse 1.9.1

Synapse 1.9.1 (2020-01-28)


  • Fix bug where setting mau_limit_reserved_threepids config would cause Synapse to refuse to start. (#6793)