v13.3.1-canary.18

Core Changes

• Add export runtime test for pages and fully remove experimental.runtime: #48630
• Upgrade @types/react to latest 18.x: #48645
• app-router: new client-side cache semantics: #48383
• Fix typo in fetchType annotation: #48646
• Ensure latest React types for experimental release channel are used: #48641
• Fix writeConfigurationDefaults.ts to correctly suggest changes in monorepos: #48668
• Revert "app-router: new client-side cache semantics": #48678

Example Changes

• Update Mux example logo to new Mux brand: #48654

Misc Changes

• misc: fix flaky prefetch test: #48666
• Re-add kodiak config: #48672

Credits

Huge thanks to @huozhi, @dylanjha, @eps1lon, @feedthejim, @nabsul, @shuding, and @ijjk for helping!