perf(proxy): pre-compile context matchers at server creation - #23263
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| datasource | package | from | to | | ---------- | ------- | ----- | ----- | | npm | vite | 8.2.0 | 8.3.0 | ## [v8.3.0](https://github.com/vitejs/vite/blob/HEAD/packages/vite/CHANGELOG.md#830-2026-09-10) ##### Features - **build:** avoid settling seen preload dependencies for performance ([#23446](vitejs/vite#23446)) ([e6f6b3e](vitejs/vite@e6f6b3e)) ##### Bug Fixes - handle CRLF line endings in code frame positions ([#23219](vitejs/vite#23219)) ([9913672](vitejs/vite@9913672)) - only treat whole `node_modules` path segments as dependencies (fix [#17467](vitejs/vite#17467)) ([#23437](vitejs/vite#23437)) ([ef0dc17](vitejs/vite@ef0dc17)) ##### Performance Improvements - **proxy:** pre-compile context matchers at server creation ([#23263](vitejs/vite#23263)) ([8abf700](vitejs/vite@8abf700)) ## [v8.2.2](https://github.com/vitejs/vite/blob/HEAD/packages/vite/CHANGELOG.md#small-822-2026-08-20-small) ##### Features - **deps:** widen `@vitejs/devtools` peer range to v0.5.0 ([#23302](vitejs/vite#23302)) ([495d9ff](vitejs/vite@495d9ff)) ##### Bug Fixes - **bundled-dev:** handle lazy request error ([#23291](vitejs/vite#23291)) ([3ba026d](vitejs/vite@3ba026d)) - **bundled-dev:** hot update through circular imports instead of reloading ([#23259](vitejs/vite#23259)) ([3dbddef](vitejs/vite@3dbddef)) - **config:** resolve sourcemap paths against sourcemap location ([#23239](vitejs/vite#23239)) ([05a003e](vitejs/vite@05a003e)) - **css:** don't pass empty targets to lightningcss ([#23295](vitejs/vite#23295)) ([2804636](vitejs/vite@2804636)) - **define:** fix match escaped dots to support $-prefixed define keys ([#23249](vitejs/vite#23249)) ([dcf88bd](vitejs/vite@dcf88bd)) - **deps:** update all non-major dependencies ([#23217](vitejs/vite#23217)) ([ba958bd](vitejs/vite@ba958bd)) - **deps:** update rolldown-related dependencies ([#23218](vitejs/vite#23218)) ([83ecb2c](vitejs/vite@83ecb2c)) - **module-runner:** exclude completed modules from in-flight cycle detection (fix [#22999](vitejs/vite#22999)) ([#23009](vitejs/vite#23009)) ([d9b10a9](vitejs/vite@d9b10a9)) - **optimizer:** close custom extension analysis bundles ([#23207](vitejs/vite#23207)) ([8fb7675](vitejs/vite@8fb7675)) - reduce Windows 8.3-short-name detection false-positives ([#23066](vitejs/vite#23066)) ([02cffa9](vitejs/vite@02cffa9)) - respect `resolve.preserveSymlinks` when resolving root (fix [#23197](vitejs/vite#23197)) ([#23198](vitejs/vite#23198)) ([8413052](vitejs/vite@8413052)) - **ssr:** rewrite computed key of destructing parameter ([#23307](vitejs/vite#23307)) ([9db0b61](vitejs/vite@9db0b61)) - **vite:** update outdated upstream file links in license comments ([#23285](vitejs/vite#23285)) ([c0f2fc6](vitejs/vite@c0f2fc6)) ##### Documentation - **build:** note cssTarget precedence ([#23200](vitejs/vite#23200)) ([a20a35e](vitejs/vite@a20a35e)) ##### Miscellaneous Chores - fix ts errors in build test cases ([#23209](vitejs/vite#23209)) ([a0cfcf7](vitejs/vite@a0cfcf7)) ##### Code Refactoring - use JSON import attributes instead of readFileSync in constants ([#23258](vitejs/vite#23258)) ([1d9fa39](vitejs/vite@1d9fa39)) - use named regex constants over inline literals ([#22964](vitejs/vite#22964)) ([5c1c6c6](vitejs/vite@5c1c6c6)) ##### Tests - **define:** close rolldown bundler after generate ([#23231](vitejs/vite#23231)) ([b4d66fe](vitejs/vite@b4d66fe)) - **module-runner:** add TLA circular import case ([#23299](vitejs/vite#23299)) ([4a261f2](vitejs/vite@4a261f2)) - **module-runner:** simplify server-hmr tests ([#23300](vitejs/vite#23300)) ([599b44b](vitejs/vite@599b44b)) - **ssr:** add destructing assignment case for moduleRunnerTransform ([#23308](vitejs/vite#23308)) ([cb77e2a](vitejs/vite@cb77e2a)) ##### Build System - use JSON import attributes instead of readFIleSync in rolldown configs ([#23251](vitejs/vite#23251)) ([d615bcd](vitejs/vite@d615bcd)) ## [v8.2.1](https://github.com/vitejs/vite/blob/HEAD/packages/vite/CHANGELOG.md#small-821-2026-08-06-small) ##### Bug Fixes - **build:** make client chunkImportMap work with `sharedPlugins: true` ([#23184](vitejs/vite#23184)) ([15f0307](vitejs/vite@15f0307)) - **bundled-dev:** inject client script tag before chunk scripts ([#23161](vitejs/vite#23161)) ([eac0cc8](vitejs/vite@eac0cc8)) - **css:** don't re-run lightningcss visitor during minify (fix [#23146](vitejs/vite#23146)) ([#23147](vitejs/vite#23147)) ([de041a7](vitejs/vite@de041a7)) - **deps:** update all non-major dependencies ([#23136](vitejs/vite#23136)) ([14454fd](vitejs/vite@14454fd)) - **deps:** update rolldown-related dependencies ([#23070](vitejs/vite#23070)) ([7ac6f7f](vitejs/vite@7ac6f7f)) - don't mutate the user config when resolving the lib entry from the top-level `input` ([#23135](vitejs/vite#23135)) ([b4bf596](vitejs/vite@b4bf596)) - handle shebang ending with uncommon line terminators ([#23038](vitejs/vite#23038)) ([17f7b2f](vitejs/vite@17f7b2f)) - **server:** use a random port when port is 0 ([#23158](vitejs/vite#23158)) ([fddf4ea](vitejs/vite@fddf4ea)) ##### Performance Improvements - **css:** look up pure CSS chunks through a Set ([#23114](vitejs/vite#23114)) ([1331b0b](vitejs/vite@1331b0b)) ##### Documentation - **build:** fix incomplete `@default` for build.minify ([#23177](vitejs/vite#23177)) ([ef02435](vitejs/vite@ef02435)) ##### Miscellaneous Chores - **deps:** update dependency rolldown-plugin-dts to ^0.28.0 ([#23137](vitejs/vite#23137)) ([4adc1e7](vitejs/vite@4adc1e7)) - **deps:** update dependency strip-literal to v4 ([#23140](vitejs/vite#23140)) ([9db65ce](vitejs/vite@9db65ce)) ##### Code Refactoring - **bundled-dev:** avoid injecting server values in the bundle ([#22967](vitejs/vite#22967)) ([23b8a08](vitejs/vite@23b8a08)) - **bundled-dev:** remove rolldown lazy stub module workaround ([#23129](vitejs/vite#23129)) ([e72036e](vitejs/vite@e72036e)) ##### Tests - **bundled-dev:** enable sourcemap playgrounds ([#23080](vitejs/vite#23080)) ([c2155fe](vitejs/vite@c2155fe)) - reduce logs ([#23138](vitejs/vite#23138)) ([7673c02](vitejs/vite@7673c02))
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Regex contexts starting with '^' were re-compiled on every request via
new RegExp(context). Compile the matcher once when the proxy entry is created and reuse it for both HTTP and WebSocket upgrade handling.