action: auto
reason: Patch release with security and bug fixes. No database migrations, no dependency changes, no configuration changes.
---
## Upgrade overview

This release contains upgrade notes that deviate from the norm:

ℹ️ Requires assets recompilation

## Changelog

### Security

- Fix ActivityPub collection caching logic for pinned posts and featured tags not checking blocked accounts (GHSA-ccpr-m53r-mfwr)

### Changed

- Shorten caching of quote posts pending approval (#37570)

### Fixed

- Fix relationship cache not being cleared when handling account migrations (#37664)
- Fix quote cancel button not appearing after edit then delete-and-redraft (#37066)
- Fix followers with profile subscription being notified of post edits (#37646)
- Fix error when encountering invalid tag in updated object (#37635)
- Fix cross-server conversation tracking (#37559)
- Fix recycled connections not being immediately closed (#37335)

## Upgrade notes

### Dependencies

External dependencies have not changed since v4.5.0.

### Update steps

The following instructions are for updating from 4.5.5.

### Non-Docker

1. Precompile the assets: `RAILS_ENV=production bundle exec rails assets:precompile`
2. Restart all Mastodon processes.