v15.4.0-canary.54

Core Changes

• Turbopack: derive de/serialize for loader config: #79581
• Update font data: #79642
• Avoid bundling dev overlay in page template: #79641
• Enable preview builds for forks: #79648

Misc Changes

• chore(turbo-tasks): Remove old and unused turbo-tasks-memory backend: #79560
• Update Turbopack development test manifest: #79603
• Enforce consistency between packages in preview builds: #79610
• Turbopack: improve error handling when DB read/deserialization fails: #79545
• Docs IA 2.0: Create Forms guide: #79288
• Docs IA 2.0: Create intercepting and parallel routes API reference: #79405
• Docs IA 2.0: Add examples to layout.js: #79453
• Docs IA 2.0: Update template.js API reference: #79490
• Docs IA 2.0: Create Dynamic Segments API reference, add example to getting started. : #79439
• Turbopack: avoid panics due to eventual consistency: #79242
• Next IA 2.0: Create Route Groups API reference, simplifying wording: #79444
• Update Turbopack production test manifest: #79647
• Docs IA 2.0: Move Redirects page to guides: #79447
• Docs IA 2.0: Add Caching and Revalidating page: #79493
• Docs: scrub html in ld+json script: #79627
• Turbopack Build: Fix edge _document test: #79628
• Turbopack Build: Fix conflicting page error: #79634
• Turbopack Build: Fix runtime value test: #79654
• Docs IA 2.0: Delete Error Handling page: #79495
• Turbopack Build: Skip edge stacktrace test: #79661
• Fix name tracking for closures in server actions transform: #79657

Credits

Huge thanks to @bgw, @wbinnssmith, @eps1lon, @sokra, @delbaoliveira, @icyJoseph, @timneutkens, @ijjk, and @unstubbable for helping!