v14.1.2-canary.0

Core Changes

• chore: remove unused helper: #62701
• Add param to debug PPR skeleton in dev: #62703
• Update font data: #62704
• Turbopack: remove node_modules error filter: #62586
• fix(error-overlay): improve a11y, minor refactors: #62723
• Handle top level errors coming from Turbopack entrypoints subscription: #62528
• Add compiler error for conflicting App Router and Pages Router in Turbopack: #62531
• fix dev overlay pseudo html collapsing: #62728
• Route static render error message: remove duplicate word: #62738
• Update version from backport: #62745
• Add a flag to disable MergeCssChunksPlugin: #62746

Misc Changes

• Update Turbopack test manifest: #62674
• Migrate Sass tests to test/e2e: #62321
• Update Turbopack test manifest: #62715
• Revert "Migrate Sass tests to test/e2e": #62735

Credits

Huge thanks to @huozhi, @ijjk, @sokra, @timneutkens, @balazsorban44, @MaxLeiter, and @ztanner for helping!