[!NOTE]
This release is backporting bug fixes. It does not include all pending features/changes on canary.

Core Changes

• fix: ensure onRequestError is invoked when otel enabled (#83343)
• fix: devtools initial position should be from next config (#83571)
• [devtool] fix overlay styles are missing (#83721)
• Turbopack: don't match dynamic pattern for node_modules packages (#83803)
• Turbopack: don't treat metadata routes as RSC (#83804)
• Turbopack: Improve handling of symlink resolution errors (#83805)
• Turbopack: throw large static metadata error earlier (#83816)
• fix: error overlay not closing when backdrop clicked (#83981)
• Turbopack: flush Node.js worker IPC on error (#84079)

Misc Changes

• [CNA] use linter preference (#83194)
• CI: use KV for test timing data (#83860)
• docs: september improvements and fixes (#83997)

Credits

Huge thanks to @yiminghe, @huozhi, @devjiwonchoi, @mischnic, @lukesandberg, @ztanner, @icyJoseph, @leerob, @fufuShih, @dwrth, @aymericzip, @obendev, @molebox, @OoMNoO, @pontasan, @styfle, @HondaYt, @ryuapp, @lpalmes, and @ijjk for helping!