v19.9.1
What's New 19.9.1 is a focused bug-fix release for the 19.9 line — 17 fixes, two long-standing open issues closed, no API additions, drop-in upgrade from 19.9.0. The headline: video sprites no longer stall in fullscreen. Large videos (1080p/4K) dropped to ~4fps the moment the game went fullscreen while everything else kept rendering at 60 — the browser parks off-DOM video elements on a slow backgr…