perf: disable idna's ICU backend by pinning idna_adapter to 1.0.0 (-129 KB) by Boshen · Pull Request #9811 · rolldown/rolldown

Boshen · 2026-06-17T04:02:39Z

Disable `idna`'s ICU backend instead of removing `url`

url is pulled in only by rolldown crates, and it drags the entire IDNA/Unicode stack along:

url -> idna -> idna_adapter -> ICU4X
                               (icu_normalizer / icu_properties + *_data + zerovec / yoke / tinystr / ... — ~20 crates)

That ships ~129 KB of Unicode tables in librolldown_binding.node purely for internationalized-domain-name handling (münchen.de → xn--mnchen-3ya.de) that rolldown never needs. url mandates idna for special-scheme hosts (incl. file:) and has no feature to turn it off.

This PR — the least-invasive option

idna_adapter is the indirection layer that lets idna pick a Unicode backend. Its 1.0.0 release is the official no-ICU backend (zero dependencies); 1.1+ switched to ICU4X. Pinning it to =1.0.0 makes idna resolve to the ASCII-only implementation and drops the entire ICU4X stack from the build — while url and its WHATWG behaviour stay exactly as-is (zero new code).

Cargo.toml: idna_adapter = "=1.0.0" in [workspace.dependencies], referenced from rolldown_plugin_vite_resolve (the crate behind the url edge).
The exact =1.0.0 requirement makes any ICU-backed version unresolvable, so a blanket cargo update can't silently pull it back in — verified: cargo update -p idna_adapter --precise 1.2.2 is rejected with failed to select a version for the requirement idna_adapter = "=1.0.0".
Excluded from cargo-shear ([package.metadata.cargo-shear]) since it's a build-only pin we never import.

Trade-off

Per the idna_adapter docs, the no-Unicode backend rejects non-ASCII domain inputs and skips UTS-46 enforcement on Punycode labels. rolldown only ever feeds url ASCII (file paths / sourcemap URLs), so this is a no-op in practice.

Impact (darwin-arm64, fat-LTO release, same-machine A/B)

build	`rolldown-binding.node`	saved
baseline (`url` + `idna` + ICU4X)	23,409,856	—
this PR (no-ICU `idna_adapter`)	23,277,696	−132,160 bytes (−129 KB)

The icu_* / zerovec / yoke / tinystr / … crates are gone from the build (idna + ICU remain in Cargo.lock only behind the jsonschema test dependency). The −132,160-byte saving is byte-for-byte the same as the "keep url" row measured in #9794, confirming the official idna_adapter 1.0.0 matches a vendored ASCII stub.

Relationship to #9790 / #9794

Both #9790 (hand-rolled parser, −226 KB) and #9794 (iri-string, −210 KB) removed url entirely and explicitly flagged this as the safe, minimal alternative. This captures ~57% of the maximum saving with no behaviour change and no URL-parsing code to own, so it supersedes both — they're closed in favour of this.

socket-security · 2026-06-17T04:03:12Z

Review the following changes in direct dependencies. Learn more about Socket for GitHub.

Diff	Package	Supply Chain Security	Vulnerability	Quality	Maintenance	License
	cargo/idna_adapter@1.2.2 ⏵ 1.0.0			^-3

View full report

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Boshen · 2026-06-17T04:06:36Z

Merge activity

Jun 17, 4:06 AM UTC: The merge label 'graphite: merge-when-ready' was detected. This PR will be added to the Graphite merge queue once it meets the requirements.
Jun 17, 4:44 AM UTC: Boshen added this pull request to the Graphite merge queue.
Jun 17, 4:50 AM UTC: Merged by the Graphite merge queue.

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codspeed-hq · 2026-06-17T04:09:50Z

Merging this PR will not alter performance

✅ 4 untouched benchmarks
⏩ 10 skipped benchmarks¹

_{Comparing perf/disable-idna-icu-backend (625fee2) with main (833797e)²}

10 benchmarks were skipped, so the baseline results were used instead. If they were deleted from the codebase, click here and archive them to remove them from the performance reports. ↩
No successful run was found on main (e3be017) during the generation of this report, so 833797e was used instead as the comparison base. There might be some changes unrelated to this pull request in this report. ↩

sapphi-red

LGTM

…29 KB) (#9811) ## Disable `idna`'s ICU backend instead of removing `url` `url` is pulled in **only** by rolldown crates, and it drags the entire IDNA/Unicode stack along: ``` url -> idna -> idna_adapter -> ICU4X (icu_normalizer / icu_properties + *_data + zerovec / yoke / tinystr / ... — ~20 crates) ``` That ships **~129 KB** of Unicode tables in `librolldown_binding.node` purely for internationalized-domain-name handling (`münchen.de` → `xn--mnchen-3ya.de`) that rolldown never needs. `url` mandates `idna` for special-scheme hosts (incl. `file:`) and has **no feature** to turn it off. ### This PR — the least-invasive option [`idna_adapter`](https://docs.rs/crate/idna_adapter) is the indirection layer that lets `idna` pick a Unicode backend. Its **1.0.0** release is the official *no-ICU* backend (zero dependencies); **1.1+** switched to ICU4X. Pinning it to `=1.0.0` makes `idna` resolve to the ASCII-only implementation and drops the entire ICU4X stack from the build — while **`url` and its WHATWG behaviour stay exactly as-is (zero new code)**. - `Cargo.toml`: `idna_adapter = "=1.0.0"` in `[workspace.dependencies]`, referenced from `rolldown_plugin_vite_resolve` (the crate behind the `url` edge). - The exact `=1.0.0` requirement makes any ICU-backed version **unresolvable**, so a blanket `cargo update` can't silently pull it back in — verified: `cargo update -p idna_adapter --precise 1.2.2` is rejected with `failed to select a version for the requirement idna_adapter = "=1.0.0"`. - Excluded from `cargo-shear` (`[package.metadata.cargo-shear]`) since it's a build-only pin we never import. ### Trade-off Per the [`idna_adapter` docs](https://docs.rs/crate/idna_adapter/latest#:~:text=Turning%20off%20IDNA%20support), the no-Unicode backend rejects non-ASCII domain inputs and skips UTS-46 enforcement on Punycode labels. rolldown only ever feeds `url` ASCII (file paths / sourcemap URLs), so this is a no-op in practice. ### Impact (darwin-arm64, fat-LTO release, same-machine A/B) | build | `rolldown-binding.node` | saved | |---|---|---| | baseline (`url` + `idna` + ICU4X) | 23,409,856 | — | | **this PR (no-ICU `idna_adapter`)** | **23,277,696** | **−132,160 bytes (−129 KB)** | The `icu_*` / `zerovec` / `yoke` / `tinystr` / … crates are gone from the build (`idna` + ICU remain in `Cargo.lock` only behind the `jsonschema` **test** dependency). The −132,160-byte saving is byte-for-byte the same as the "keep `url`" row measured in #9794, confirming the official `idna_adapter 1.0.0` matches a vendored ASCII stub. ### Relationship to #9790 / #9794 Both #9790 (hand-rolled parser, −226 KB) and #9794 (`iri-string`, −210 KB) removed `url` entirely and explicitly flagged this as the safe, minimal alternative. This captures ~57% of the maximum saving with **no behaviour change and no URL-parsing code to own**, so it supersedes both — they're closed in favour of this.

@shulaoda

## [1.1.2] - 2026-06-18 ### 📝 Notable tsconfig behavior changes These ship via the `oxc_resolver` 11.21.3 bump (#9841) and affect `resolve.tsconfigPaths` (Vite 8 resolves through oxc-resolver): - **Honor explicit non-TS extensions in `include`** (oxc-project/oxc-resolver#1213). `compilerOptions.paths` now resolve for importers whose extension is explicitly listed in a tsconfig's `include` (e.g. `src/**/*.vue`, `src/**/*.svelte`). Previously oxc-resolver filtered importers by extension before evaluating the `include` globs, so a `.vue`/`.svelte` file listed in `include` never matched its project and its `paths` were skipped. This unblocks the default create-vite Vue + TS layout (a solution-style root plus a referenced `tsconfig.app.json` that declares `paths` and `include: ["src/**/*.ts", "src/**/*.vue"]`). Matches vue-tsc and svelte-check, which register these extensions via TypeScript's `extraFileExtensions`. - **No fallback to the outermost tsconfig in auto-discovery** (oxc-project/oxc-resolver#1220). Auto-discovery no longer attaches the topmost ancestor `tsconfig.json` to a file that no project actually owns (via `files` / `include` / project references). Previously such a file inherited the outermost ancestor's `paths` / `baseUrl`, leaking aliases into files that project does not own. oxc-resolver now returns no config in that case, matching tsserver / typescript-go, which route such files to an inferred project with no aliases. ### 🚀 Features - add option named for invalid return type errors for more places (#9846) by @shulaoda - add option names for invalid return type errors (#9821) by @sapphi-red - transform: infer decorator strictNullChecks from tsconfig (#9590) by @kylecannon - expose React Compiler options for rolldown and Vite users (#9801) by @Boshen - tracing: gate chrome-json trace layer behind `chrome-tracing` feature (#9773) by @hyf0 - dev: align test-dev-server with Vite dev server (#9668) by @h-a-n-a ### 🐛 Bug Fixes - plugin_timings: point doc link to existing checks reference page (#9837) by @hyf0 - generator: correct contradictory panic message in cjs cross-chunk symbol lookup (#9836) by @hyf0 - esm: preserve with clause on export * from external (#9796) by @hyf0 - Make external_import_binding_merger deterministic (#9755) by @naruaway - surface invalid `manualCodeSplitting` group `test` regex as an error (#9792) by @shulaoda - avoid panic on `output.file` without a file name (#9789) by @shulaoda - avoid O(N^2) rendering of high-volume diagnostics (#9748) (#9749) by @IWANABETHATGUY - avoid panic on JSON numbers outside f64 range (#9788) by @shulaoda - deps: bump mimalloc-safe to 0.1.63 to fix worker_threads segfault (#9785) by @shulaoda - cache ESM evaluation errors (#9784) by @sapphi-red - wrap node require helper in pure IIFE (#9783) by @kb019 - lazy-barrel: load locally-used imports on a re-exported record (#9757) by @shulaoda - avoid dangling wrapped-ESM init call across chunks (#9502) (#9717) by @IWANABETHATGUY - dev: detect same-second rewrites in CI poll watcher (#9736) by @h-a-n-a - dev: force rebuild after HMR errors (#9686) by @h-a-n-a - dev: print build errors on browser refresh after a failed build (#9652) by @h-a-n-a ### 🚜 Refactor - single-source the chunk $N symbol-naming algorithm (#9831) by @Dunqing - simplify common_dir helper (#9857) by @IWANABETHATGUY - drop commondir crate in favor of in-house helper (#9849) by @Boshen - binding: extract helpers from normalize_binding_options (#9842) by @Boshen - move rolldown_filter_analyzer to tasks and scope oxc cfg feature (#9839) by @Boshen - options: merge manualCodeSplitting into codeSplitting object form (#9805) by @IWANABETHATGUY - options: support codeSplitting object form in CodeSplittingMode (#9804) by @IWANABETHATGUY - diagnostic: reuse ByteLocator for per-source line lookup (#9762) by @IWANABETHATGUY - remove redundant Arc around tracing spans (#9778) by @camc314 - remove unnecessary `Arc` around sourcemap sender (#9777) by @camc314 - rolldown_plugin_vite_wasm_fallback: remove the plugin (#9775) by @sapphi-red - binding: remove infer-able `napi(ts_type)` (#9737) by @sapphi-red - remove preprocessor span dedup (#9734) by @hyf0 - identify AST nodes by NodeId instead of Span/Address (#9609) by @IWANABETHATGUY ### 📚 Documentation - tsconfig: align auto-discovery docs with oxc-resolver behavior (#9845) by @shulaoda - relocate meta/design to internal-docs, split design from implementation (#9826) by @h-a-n-a - meta: add options normalization design doc (#9818) by @IWANABETHATGUY - document why the napi tracing feature is enabled (#9766) by @Boshen - dev: move test-dev-server test guidance into the testing docs (#9809) by @h-a-n-a ### ⚡ Performance - drop unused regex unicode property tables from the binding (#9848) by @Boshen - drop urlencoding crate in favor of percent-encoding (#9851) by @Boshen - drop owo-colors supports-colors feature in vite reporter (#9824) by @Boshen - skip enum member value extraction for non-TypeScript modules (#9840) by @shulaoda - rolldown: use unstable sort for itertools sorted_by at unique-key sites (#9827) by @Boshen - cheaper deterministic ordering in external import binding merger (#9810) by @IWANABETHATGUY - disable idna's ICU backend by pinning idna_adapter to 1.0.0 (-129 KB) (#9811) by @Boshen - size: use unstable sort where stability is unneeded (#9803) by @Boshen - remove num-format dependency from vite reporter (#9795) by @Boshen - reduce js callback error size (#9776) by @Boshen - rolldown_error: remove Debug supertrait from BuildEvent (#9798) by @Boshen - reduce plugin hook order code size (#9761) by @Boshen - deps: disable `infer` default features to reduce binary size (#9765) by @Boshen - reduce pluginable monomorphization size (#9771) by @Boshen - avoid rebuilding replace plugin values (#9764) by @Boshen - defer link-stage-output drop to rayon workers after output is produced (#9733) by @Brooooooklyn - tree-shaking: hoist already-included guard to call sites in inclusion DFS (#9738) by @Brooooooklyn - renamer: dedup before allocating the owned name in add_symbol_in_root_scope (#9740) by @Brooooooklyn ### 🧪 Testing - allocs: track allocation counts for rolldown_sourcemap (#9835) by @hyf0 - bench: add CodSpeed micro-benchmarks for rolldown_sourcemap (#9834) by @hyf0 - add cjs named export mutation test (#9823) by @sapphi-red - dev: restore shared-page reliability conventions in AGENTS.md (#9786) by @h-a-n-a - dev: add `AGENTS.md` test guidance for agents (#9763) by @h-a-n-a - dev: split out initial-build-error into its own playground (#9772) by @h-a-n-a - dev: align e2e suite with Vite and parallelize playgrounds (#9759) by @h-a-n-a - remove unnecessary module namespace object JSON serializations in tests (#9725) by @sapphi-red - use `assert.deepStrictEqual` instead of `assert.deepEqual` by using `assert/strict` instead of `assert` (#9724) by @sapphi-red - hmr: add test case for #5301 (#5302) by @sapphi-red - dev: add tests for dev-engine principles (#9720) by @h-a-n-a - dev: align dev-engine test harness with Vite (#9684) by @h-a-n-a ### ⚙️ Miscellaneous Tasks - deps: update napi to 3.9.3 (#9862) by @shulaoda - deps: update oxc to 0.137.0 (#9856) by @Boshen - re-enable default lld linker on x86_64-unknown-linux-gnu (#9855) by @Boshen - deps: bump vite-plus to 0.2.1 (#9850) by @Boshen - skills: translate _config.json when encoding rolldown REPL links (#9847) by @IWANABETHATGUY - deps: update oxc_resolver and oxc_resolver_napi to 11.21.3 (#9841) by @Boshen - pin vite-plus (vp) CLI to 0.1.24 in setup-vp (#9830) by @Boshen - add crate/package-level CODEOWNERS (#9819) by @IWANABETHATGUY - drop unused derive_more display feature from rolldown_plugin (#9820) by @Boshen - remove auto-assign PR workflow (#9807) by @IWANABETHATGUY - deps: update rollup submodule for tests to v4.62.0 (#9780) by @rolldown-guard[bot] - deps: update esbuild for tests to 0.28.1 (#9779) by @rolldown-guard[bot] - deps: update test262 submodule for tests (#9781) by @rolldown-guard[bot] - deps: update oxc to 0.136.0 (#9770) by @Boshen - add pull request template (#9756) by @sapphi-red - clarify `rolldown_plugin_vite_*` is compatible for the same minor (#9774) by @sapphi-red - deps: update github actions (#9745) by @renovate[bot] - deps: update rust crates (#9747) by @renovate[bot] - deps: update napi to v3.9.2 (#9744) by @renovate[bot] - deps: update npm packages (#9746) by @renovate[bot] - deps: update @napi-rs/cli and emnapi deps (#9741) by @Brooooooklyn - generator: fix `vp fmt` on Windows (#9727) by @sapphi-red - ban importing from `assert` and recommend `assert/strict` (#9726) by @sapphi-red ### ❤️ New Contributors * @naruaway made their first contribution in [#9755](#9755) * @kb019 made their first contribution in [#9783](#9783) Co-authored-by: shulaoda <165626830+shulaoda@users.noreply.github.com>

## [1.0.16] - 2026-06-18 ### 🚀 Features - add option named for invalid return type errors for more places (rolldown#9846) by `@shulaoda` - add option names for invalid return type errors (rolldown#9821) by `@sapphi-red` - transform: infer decorator strictNullChecks from tsconfig (rolldown#9590) by `@kylecannon` - expose React Compiler options for rolldown and Vite users (rolldown#9801) by `@Boshen` - tracing: gate chrome-json trace layer behind `chrome-tracing` feature (rolldown#9773) by `@hyf0` - dev: align test-dev-server with Vite dev server (rolldown#9668) by `@h-a-n-a` ### 🐛 Bug Fixes - plugin_timings: point doc link to existing checks reference page (rolldown#9837) by `@hyf0` - generator: correct contradictory panic message in cjs cross-chunk symbol lookup (rolldown#9836) by `@hyf0` - esm: preserve with clause on export * from external (rolldown#9796) by `@hyf0` - Make external_import_binding_merger deterministic (rolldown#9755) by `@naruaway` - surface invalid `manualCodeSplitting` group `test` regex as an error (rolldown#9792) by `@shulaoda` - avoid panic on `output.file` without a file name (rolldown#9789) by `@shulaoda` - avoid O(N^2) rendering of high-volume diagnostics (rolldown#9748) (rolldown#9749) by `@IWANABETHATGUY` - avoid panic on JSON numbers outside f64 range (rolldown#9788) by `@shulaoda` - deps: bump mimalloc-safe to 0.1.63 to fix worker_threads segfault (rolldown#9785) by `@shulaoda` - cache ESM evaluation errors (rolldown#9784) by `@sapphi-red` - wrap node require helper in pure IIFE (rolldown#9783) by `@kb019` - lazy-barrel: load locally-used imports on a re-exported record (rolldown#9757) by `@shulaoda` - avoid dangling wrapped-ESM init call across chunks (rolldown#9502) (rolldown#9717) by `@IWANABETHATGUY` - dev: detect same-second rewrites in CI poll watcher (rolldown#9736) by `@h-a-n-a` - dev: force rebuild after HMR errors (rolldown#9686) by `@h-a-n-a` - dev: print build errors on browser refresh after a failed build (rolldown#9652) by `@h-a-n-a` ### 🚜 Refactor - single-source the chunk $N symbol-naming algorithm (rolldown#9831) by `@Dunqing` - simplify common_dir helper (rolldown#9857) by `@IWANABETHATGUY` - drop commondir crate in favor of in-house helper (rolldown#9849) by `@Boshen` - binding: extract helpers from normalize_binding_options (rolldown#9842) by `@Boshen` - move rolldown_filter_analyzer to tasks and scope oxc cfg feature (rolldown#9839) by `@Boshen` - options: merge manualCodeSplitting into codeSplitting object form (rolldown#9805) by `@IWANABETHATGUY` - options: support codeSplitting object form in CodeSplittingMode (rolldown#9804) by `@IWANABETHATGUY` - diagnostic: reuse ByteLocator for per-source line lookup (rolldown#9762) by `@IWANABETHATGUY` - remove redundant Arc around tracing spans (rolldown#9778) by `@camc314` - remove unnecessary `Arc` around sourcemap sender (rolldown#9777) by `@camc314` - rolldown_plugin_vite_wasm_fallback: remove the plugin (rolldown#9775) by `@sapphi-red` - binding: remove infer-able `napi(ts_type)` (rolldown#9737) by `@sapphi-red` - remove preprocessor span dedup (rolldown#9734) by `@hyf0` - identify AST nodes by NodeId instead of Span/Address (rolldown#9609) by `@IWANABETHATGUY` ### 📚 Documentation - tsconfig: align auto-discovery docs with oxc-resolver behavior (rolldown#9845) by `@shulaoda` - relocate meta/design to internal-docs, split design from implementation (rolldown#9826) by `@h-a-n-a` - meta: add options normalization design doc (rolldown#9818) by `@IWANABETHATGUY` - document why the napi tracing feature is enabled (rolldown#9766) by `@Boshen` - dev: move test-dev-server test guidance into the testing docs (rolldown#9809) by `@h-a-n-a` ### ⚡ Performance - drop unused regex unicode property tables from the binding (rolldown#9848) by `@Boshen` - drop urlencoding crate in favor of percent-encoding (rolldown#9851) by `@Boshen` - drop owo-colors supports-colors feature in vite reporter (rolldown#9824) by `@Boshen` - skip enum member value extraction for non-TypeScript modules (rolldown#9840) by `@shulaoda` - rolldown: use unstable sort for itertools sorted_by at unique-key sites (rolldown#9827) by `@Boshen` - cheaper deterministic ordering in external import binding merger (rolldown#9810) by `@IWANABETHATGUY` - disable idna's ICU backend by pinning idna_adapter to 1.0.0 (-129 KB) (rolldown#9811) by `@Boshen` - size: use unstable sort where stability is unneeded (rolldown#9803) by `@Boshen` - remove num-format dependency from vite reporter (rolldown#9795) by `@Boshen` - reduce js callback error size (rolldown#9776) by `@Boshen` - rolldown_error: remove Debug supertrait from BuildEvent (rolldown#9798) by `@Boshen` - reduce plugin hook order code size (rolldown#9761) by `@Boshen` - deps: disable `infer` default features to reduce binary size (rolldown#9765) by `@Boshen` - reduce pluginable monomorphization size (rolldown#9771) by `@Boshen` - avoid rebuilding replace plugin values (rolldown#9764) by `@Boshen` - defer link-stage-output drop to rayon workers after output is produced (rolldown#9733) by `@Brooooooklyn` - tree-shaking: hoist already-included guard to call sites in inclusion DFS (rolldown#9738) by `@Brooooooklyn` - renamer: dedup before allocating the owned name in add_symbol_in_root_scope (rolldown#9740) by `@Brooooooklyn` ### 🧪 Testing - allocs: track allocation counts for rolldown_sourcemap (rolldown#9835) by `@hyf0` - bench: add CodSpeed micro-benchmarks for rolldown_sourcemap (rolldown#9834) by `@hyf0` - add cjs named export mutation test (rolldown#9823) by `@sapphi-red` - dev: restore shared-page reliability conventions in AGENTS.md (rolldown#9786) by `@h-a-n-a` - dev: add `AGENTS.md` test guidance for agents (rolldown#9763) by `@h-a-n-a` - dev: split out initial-build-error into its own playground (rolldown#9772) by `@h-a-n-a` - dev: align e2e suite with Vite and parallelize playgrounds (rolldown#9759) by `@h-a-n-a` - remove unnecessary module namespace object JSON serializations in tests (rolldown#9725) by `@sapphi-red` - use `assert.deepStrictEqual` instead of `assert.deepEqual` by using `assert/strict` instead of `assert` (rolldown#9724) by `@sapphi-red` - hmr: add test case for rolldown#5301 (rolldown#5302) by `@sapphi-red` - dev: add tests for dev-engine principles (rolldown#9720) by `@h-a-n-a` - dev: align dev-engine test harness with Vite (rolldown#9684) by `@h-a-n-a` ### ⚙️ Miscellaneous Tasks - add rollipop-integration skill by `@leegeunhyeok` - update esbuild snap diff metrics by `@leegeunhyeok` - sync upstream rolldown v1.1.2 by `@leegeunhyeok` - deps: update napi to 3.9.3 (rolldown#9862) by `@shulaoda` - deps: update oxc to 0.137.0 (rolldown#9856) by `@Boshen` - re-enable default lld linker on x86_64-unknown-linux-gnu (rolldown#9855) by `@Boshen` - deps: bump vite-plus to 0.2.1 (rolldown#9850) by `@Boshen` - skills: translate _config.json when encoding rolldown REPL links (rolldown#9847) by `@IWANABETHATGUY` - deps: update oxc_resolver and oxc_resolver_napi to 11.21.3 (rolldown#9841) by `@Boshen` - pin vite-plus (vp) CLI to 0.1.24 in setup-vp (rolldown#9830) by `@Boshen` - add crate/package-level CODEOWNERS (rolldown#9819) by `@IWANABETHATGUY` - drop unused derive_more display feature from rolldown_plugin (rolldown#9820) by `@Boshen` - remove auto-assign PR workflow (rolldown#9807) by `@IWANABETHATGUY` - deps: update rollup submodule for tests to v4.62.0 (rolldown#9780) by `@rolldown-guard[bot]` - deps: update esbuild for tests to 0.28.1 (rolldown#9779) by `@rolldown-guard[bot]` - deps: update test262 submodule for tests (rolldown#9781) by `@rolldown-guard[bot]` - deps: update oxc to 0.136.0 (rolldown#9770) by `@Boshen` - add pull request template (rolldown#9756) by `@sapphi-red` - clarify `rolldown_plugin_vite_*` is compatible for the same minor (rolldown#9774) by `@sapphi-red` - deps: update github actions (rolldown#9745) by `@renovate[bot]` - deps: update rust crates (rolldown#9747) by `@renovate[bot]` - deps: update napi to v3.9.2 (rolldown#9744) by `@renovate[bot]` - deps: update npm packages (rolldown#9746) by `@renovate[bot]` - deps: update @napi-rs/cli and emnapi deps (rolldown#9741) by `@Brooooooklyn` - generator: fix `vp fmt` on Windows (rolldown#9727) by `@sapphi-red` - ban importing from `assert` and recommend `assert/strict` (rolldown#9726) by `@sapphi-red` Co-authored-by: leegeunhyeok <26512984+leegeunhyeok@users.noreply.github.com>

This was referenced Jun 17, 2026

perf: remove the url crate (-226 KB) #9790

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perf: replace the url crate with iri-string (-210 KB) #9794

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Boshen assigned IWANABETHATGUY Jun 17, 2026

Boshen added the graphite: merge-when-ready label Jun 17, 2026

chatgpt-codex-connector Bot reviewed Jun 17, 2026

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sapphi-red reviewed Jun 17, 2026

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IWANABETHATGUY approved these changes Jun 17, 2026

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graphite-app Bot force-pushed the perf/disable-idna-icu-backend branch from 625fee2 to 22758cd Compare June 17, 2026 04:45

graphite-app Bot merged commit 22758cd into main Jun 17, 2026
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graphite-app Bot removed the graphite: merge-when-ready label Jun 17, 2026

graphite-app Bot deleted the perf/disable-idna-icu-backend branch June 17, 2026 04:50

This was referenced Jun 18, 2026

release: v1.1.2 #9860

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release: v1.1.2 #9863

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rollipop-bot Bot mentioned this pull request Jun 18, 2026

release: v1.0.16 rollipop-dev/rolldown#31

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perf: disable idna's ICU backend by pinning idna_adapter to 1.0.0 (-129 KB)#9811

perf: disable idna's ICU backend by pinning idna_adapter to 1.0.0 (-129 KB)#9811
graphite-app[bot] merged 1 commit into
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perf/disable-idna-icu-backend

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Boshen commented Jun 17, 2026 • edited Loading Uh oh! There was an error while loading. Please reload this page.

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Disable idna's ICU backend instead of removing url

This PR — the least-invasive option

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Impact (darwin-arm64, fat-LTO release, same-machine A/B)

Relationship to #9790 / #9794

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✅ Deploy Preview for rolldown-rs ready!

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codspeed-hq Bot commented Jun 17, 2026

Merging this PR will not alter performance

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Boshen commented Jun 17, 2026 •

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Disable `idna`'s ICU backend instead of removing `url`

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