Core Changes

• fix: support multiple icon formats with same base name (icon.png + icon.svg): #89504
• Turbopack: Move turbopackIgnoreIssue from experimental to turbopack.ignoreIssue: #89817
• Build with dev runtimes when --debug-prerender is set: #89834
• Append deployment id query string for next-font: #89960

Misc Changes

• Next-api: Check client_source_maps before generate source map: #89915
• docs: improve next/image localPatterns error page: #89914
• docs: inline-css dev-action oriented: #89064
• Upgrade to swc 56: #89111
• Turbopack: fix CSS dependency locations: #89761
• docs: document cacheLife expire omission behavior and fix default preset value: #89913
• docs: Activity boundary guide: #89126
• Enable backtraces in turbopack integration tests: #89935

Credits

Huge thanks to @FurryR, @icyJoseph, @mischnic, @01-binary, @lukesandberg, @sokra, and @unstubbable for helping!