Sonarr Prefer X265

If Sonarr can't find x265, you can trigger a script:

A common issue with preferring x265 is the mismatch of color grading, specifically regarding 1080p releases. sonarr prefer x265

Go to (Sonarr v3/v4).

Sonarr does not have a native "x265" button in its core quality definitions because its core ranking system prioritizes the source medium and resolution over the encoding codec. To force Sonarr to prefer x265, you must use paired with strategic Quality Profile scoring . Why You Should (and Shouldn’t) Prefer x265 If Sonarr can't find x265, you can trigger

Note on Scoring: The score (+10) is arbitrary but should be significant enough to outweigh other minor preferences. If a x264 release has a slightly better audio format (e.g., TrueHD vs AAC), a high x265 score ensures the x265 codec is still prioritized if storage is the primary concern. To force Sonarr to prefer x265, you must

Add \b to avoid false matches in scene names (e.g., “H265K” groups).