4.1.9#15 Jun 2026GitHub Release 🐞 Bug Fixes Fix importOriginal with optimizer and query import [backport to v4] - by Hiroshi Ogawa, David Harris, Codexand Vladimir in #10546 (a5180) browser: Wait for orchestrator readiness before resolving browser sessions [backport to v4] - by Vladimir and Séamus O'Connor in #10555 (7fb29) Wait for iframe tester readiness before preparing [backport to v4] - by Vladimir and Séamus O'Connor in #10497 and #10556 (fbc62) mocker: Hoist vi.mock() for vite-plus/test imports [backport to v4] - by Hiroshi Ogawa, LongYinan, Claude Opus 4.8 and Vladimir in #10548 (2c955) pool: Prevent test run hang on worker crash [backport to v4] - by Ari Perkkiö and Jattioui Ismail in #10543 and #10564 (934b0) View changes on GitHub