Why Kapwing’s AI video subtitler produced timing drift and sentinel_timing_mismatch errors and the subtitle re-sync method that fixed playback
Kapwing has grown in popularity due to its user-friendly video editing tools enhanced by artificial intelligence, helping creators generate subtitles and captions effortlessly. However, some users have recently reported subtitle issues—specifically timing drift and a sentinel_timing_mismatch error—during playback, which significantly affects viewer experience and content quality. This article dives into the technical causes of these …