next 15.4.0-canary.70

v15.4.0-canary.70

on Node.js Yarn

Core Changes

• fix: invalid middleware configs should fail the build: #80221
• [dev-overlay] Render /app Dev Overlay with a separate React instance: #79699
• [devtool] display segment explorer as tree view: #80261

Misc Changes

• [turbopack] Replace uses of Value<Pattern> with just Pattern
  : #80134
• [test] Unflake back-forward-cache test: #80250
• perf(turbopack): Decode sourcemap partially: #80177
• [turbopack] Replace uses of Value<ExecutionEnvironment> with just ExecutionEnvironment: #80135
• [turbopack] Replace uses of Value<ContentSourceData> with just ContentSourceData: #80140

Credits

Huge thanks to @lukesandberg, @eps1lon, @kdy1, @ztanner, and @huozhi for helping!