What's Changed
- web: Enable BackgroundExecutionMode.MainThread by default by @kjarosh in #23635
- ci: Generate release tag names based on version by @kjarosh in #23627
- ci: Support creating non-nightly releases on GitHub by @kjarosh in #23628
- Make FsTestRunner less dependent on libtest_mimic by @Dinnerbone in #23597
- avm2: Stringify all uncaught errors by @Lord-McSweeney in #23644
- avm1: Truncate stack size when leaving a try{} block by @Dinnerbone in #23604
Full Changelog: nightly-2026-05-05...nightly-2026-05-06