What's Changed
- avm2: Properly stub IME.isSupported by @evilpie in #24298
- tests: Add failing test for AVM1 using attachMovie in a frame before ExportAssets by @evilpie in #24292
- Polyfilled plugin properties remain configurable by @mincerafter42 in #24312
New Contributors
- @mincerafter42 made their first contribution in #24312
Full Changelog: nightly-2026-07-29...nightly-2026-07-30