All notable changes to this project will be documented in this file.
## [4.5.3] - 2025-12-08
### Security
- Fix inconsistent error handling leaking information on existence of private posts ([GHSA-gwhw-gcjx-72v8](https://github.com/mastodon/mastodon/security/advisories/GHSA-gwhw-gcjx-72v8))
### Fixed
- Fix “Delete and Redraft” on a non-quote being treated as a quote post in some cases (#37140 by @ClearlyClaire)
- Fix YouTube embeds by sending referer (#37126 by @ChaosExAnima)
- Fix streamed quoted polls not being hydrated correctly (#37118 by @ClearlyClaire)
- Fix creation of duplicate conversations (#37108 by @oneiros)
- Fix extraneous `noreferrer` in external links (#37107 by @ChaosExAnima)
- Fix edge case error handling in some database migrations (#37079 by @ClearlyClaire)
- Fix error handling when re-fetching already-known statuses (#37077 by @ClearlyClaire)
- Fix post navigation in single-column mode when Advanced UI is enabled (#37044 by @diondiondion)
- Fix `tootctl status remove` removing quoted posts and remote quotes of local posts (#37009 by @ClearlyClaire)
- Fix known expensive S3 batch delete operation failing because of short timeouts (#37004 by @ClearlyClaire)