v15.4.0-canary.46

Core Changes

• [dynamicIO] reimplement dynamicIO validation on prerender: #79414
• fix: remove redundant performance.measure usage: #79475
• [devtools] Add a very minimal API for restarting the dev server: #79265

Misc Changes

• Turbopack: add webpack scope-hoisting tests: #79457
• [test] Use NEXT_TEST_CI when forking test in CI: #79354
• Docs: Remove non breaking space: #79468
• [sync-react] Base PR on target ref of workflow: #79466
• disallow unstable_rootParams in client components: #79471
• Update Rspack production test manifest: #79432
• Turbopack: avoid negative uppers and follower and use retry loop instead: #79451

Credits

Huge thanks to @mischnic, @eps1lon, @icyJoseph, @gnoff, @gaojude, @bgw, and @sokra for helping!