Claude Opus 5.5 hunted down 360 bugs in Mediabunny, catching every user-reported one early
Vjeux · x · 2026-11-12
Mediabunny author vanilagy tasked Claude Opus 5.5 with finding every remaining bug in his battle-tested media library, and the model claimed to find and fix 360 bugs. After reviewing each change line by line, he concluded that with enough tokens there's basically no downside: discard the bogus fixes, keep the rest.
The striking metric: since starting the hunt, 100% of user-reported bugs had already been found ahead of time (fixed in batch later). A follow-up notes 354 accepted changes so far; the REPORT.md screenshot lists real fixes like WAVE PCM 12/20-bit support, ADTS frame resync, MP3-in-MOV sample rates, and Matroska projection pose/yaw corrections.
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