v15.0.4-canary.21

Core Changes

• Add support for ignore-listing sources in index maps: #72913
• Turbopack: fix loading of externals on Edge: #72349
• Bump SWC used for transpiling Next.js sources: #72993
• fix: ensure HTML validity for the next-size-adjust meta tag: #72994
• Revert "Support custom servers with minimal node modules": #73003
• Allow CacheNode.loading to be a promise: #72872
• Properly encode dynamic access in segment prefetch: #72874
• [Segment Cache] Send during route prefetch: #72890
• fix(next/image): improve svg heuristic for unoptimized: #72970
• [Segment Cache] Initial implementation: #72875
• Turbopack: Change edge wrapper to proxy exports : #72502
• experimental: css inlining: #72195

Misc Changes

• Consolidate FnExpr and FnDecl server function transforms: #72960
• Allow method properties to be server functions: #72969
• Include debug script in test directories: #72992
• docs(sitemap): remove extra 's': #73023
• chore(turbopack-core): Delete dead all_modules_and_affecting_sources helper function: #73016

Credits

Huge thanks to @unstubbable, @eps1lon, @arlyon, @Goodosky, @gaojude, @acdlite, @styfle, @mischnic, @samcx, and @bgw for helping!