This release fixes issues for SREs watching stability and regressions.
Published 1mo
Media Servers
✓ No known CVEs patched
✓ No known CVEs patched in this version
Topics
docker
jellyfin
maintainerr
maintenance
movies
plex
+6 more
plex-media-server
radarr
seerr
sonarr
tv-series
tv-shows
Summary
AI summaryUpdates Highlights, 3.15.2, and 2026-06-20 across a mixed release.
Full changelog
3.15.2 (2026-06-20)
Highlights
- Fixed transient Sonarr/Radarr lookup failures that could cause incorrect collection item state changes under heavy load (#3125, #3128, #3139).
- Resolved issues with Jellyfin/Emby collections, ensuring proper handling of empty collections and preventing resurrection of deleted media-server links (#3129, #3134, #3135, #3137).
- Improved Streamystats watchlist handling by inheriting parent show information at the season/episode level, preventing unintended deletions/unmonitoring (#3127, #3133).
Fixes
- Fail closed on transient Sonarr/Radarr lookup failures to prevent incorrect collection item state changes (#3125, #3128, #3139).
- Fixed handling of Jellyfin/Emby collections to heal empty collections, prevent redundant deletions, and avoid resurrecting deleted media-server links (#3129, #3134, #3135, #3137).
- Corrected Streamystats watchlist handling to inherit parent show information at the season/episode level, ensuring accurate rule evaluations (#3127, #3133).
Dependencies
- Updated 12 dependencies, including @types/node, sharp, better-sqlite3, and @typescript-eslint/eslint-plugin.
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About Maintainerr
Looks and smells like Seerr, does the opposite. A library maintenance tool for Plex and Jellyfin.
Related context
Related tools
Earlier breaking changes
- v3.13.0 Section without an operator is now treated as OR instead of AND; migration not reversible.
- v3.13.0 Per-group exclusions now apply only to their own group, not globally.
- v3.13.0 Exclusions are now either global or per-group; removing a global exclusion requires re-adding per-group ones.
- v3.12.1 Renames `WATCH_HISTORY_CONCURRENCY` to `RULE_EVALUATION_CONCURRENCY` for clarity.
- v3.11.0 Overlay reset operations are now gated against concurrent processing runs.
Beta — feedback welcome: [email protected]