- Fix a bug introduced in Synapse 1.70.0rc1 where access tokens would be incorrectly sent to application services as headers. Application services which were obtaining access tokens from query parameters were not affected. ([\#14301](https://github.com/matrix-org/synapse/issues/14301))
- Fix a bug introduced in Synapse 1.70.0rc1 where the access tokens sent to application services as headers were malformed. Application services which were obtaining access tokens from query parameters were not affected. ([\#14301](https://github.com/matrix-org/synapse/issues/14301))
- Fix room creation being rate limited too aggressively since Synapse v1.69.0. ([\#14314](https://github.com/matrix-org/synapse/issues/14314))