What's Changed
- tests: Add coverage for calling methods on duplicate ClassObjects by @Lord-McSweeney in #24288
- tests: Add assertions for current mouse cursor by @ChrisCPI in #24284
- avm1: Serialize top-level objects with class definitions as appropriate by @danielhjacobs in #24155
Full Changelog: nightly-2026-07-24...nightly-2026-07-25