v15.0.4-canary.43

Core Changes

• fix(after): improve error message if promise arg rejects: #73524
• feat: added compression to resume data cache using deflate: #73227
• Use React 19 stable in Pages Router: #73562

Misc Changes

• [Turbopack] more debugging options for Persistent Cache: #73550
• sync-react: Add affordance to stop syncing Pages Router: #73533
• Remove unused React 17 install: #73534

Credits

Huge thanks to @sokra, @lubieowoce, @eps1lon, and @wyattjoh for helping!