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Miguel Ángel
e02120fd0e
Every timeline render re-sorted every clip in the project once per visible row to find transition seams, then kept the row's own. On the 50,000-clip viewport fixture that sort was the largest CPU cost in a scroll. Seams are now derived once per change of the clip set, grouped by track, and each row looks up its own. Pairing within a track also fixes a missing transition badge when a clip on another track starts between the transition's two clips.