Mux change history: Increased re-buffering and errors for some assets and live streams

Mux reported a major degradation affecting Mux Video - Live and Mux Video - VOD: some streams and on-demand assets had increased startup times, re-buffering, and playback errors from 429 errors. It started at 2026-04-22 18:10 UTC and was resolved at 2026-04-22 19:46 UTC, lasting 1 h 36 min; Mux reported implementing a fix.