- MRF: ensure that subdomain_match calls are case-insensitive
### Added
+- **Breaking:** MRF describe API, which adds support for exposing configuration information about MRF policies to NodeInfo.
+ Custom modules will need to be updated by adding, at the very least, `def describe, do: {:ok, %{}}` to the MRF policy modules.
- MRF: Support for priming the mediaproxy cache (`Pleroma.Web.ActivityPub.MRF.MediaProxyWarmingPolicy`)
- MRF: Support for excluding specific domains from Transparency.
- MRF: Support for filtering posts based on who they mention (`Pleroma.Web.ActivityPub.MRF.MentionPolicy`)