It seems this `.seconds` was added when the polling watcher was added
(notify-rs#19). So I guess there wasn't
any huge reason for this.

refs rolldown/rolldown#9736

Align packages/test-dev-server/tests with Vite's playground harness and
speed the suite up by running playgrounds in parallel.

vitest.config.e2e.mts (match Vite's vitest.config.e2e.ts):
- Enable file parallelism (vitest's default; Vite sets neither `pool` nor
  `fileParallelism`). It was previously forced off.
- Drop `retry` (vitest defaults to 0, like Vite). The product flake that
  once justified a retry crutch is fixed (`compareContentsForPolling`, #9736).
- Add `reporters: 'dot'` and the `PWDEBUG -> Infinity` timeout; rely on the
  default `forks` pool (the in-process rust/napi dev engine needs process
  isolation). Keep rolldown-only `env`.

One spec file per playground (required for safe parallelism). The global
setup copies `playground-temp/<name>/` per playground name and each spec
file forks its own dev server against that copy, so two spec files in one
playground would race on the same temp dir:
- hmr-full-bundle-mode: merge 4 specs into one file. They exercise the same
  bundle on one page and each test restores its edits, so sharing one page
  and server is correct.
- lazy-compilation: split into lazy-basic, lazy-aliased-import,
  lazy-nested-dynamic-import, lazy-shared-module. Merging them would be
  incorrect: each lazy regression only reproduces on the first interaction
  with a fresh server (hence each spec's `{ retry: 0 }`), so they cannot
  share one server.

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

## Summary

Aligns the dev-server browser e2e suite (`packages/test-dev-server/tests`) with Vite's playground harness and **optimizes test performance by running playgrounds in parallel**.

## `vitest.config.e2e.mts` — match Vite's `vitest.config.e2e.ts`

- **Enable file parallelism.** Vite sets neither `pool` nor `fileParallelism`, so it runs playgrounds in parallel on vitest's defaults. We were forcing `fileParallelism: false`; dropping it (and the explicit `pool`) opts into the same default `forks` pool + parallel execution. The `forks` pool matters for us: each spec runs an in-process rust/napi dev engine that needs process isolation.
- **Drop `retry`** (vitest defaults to `0`, like Vite). The product flake that once justified a retry crutch is fixed (`compareContentsForPolling`, #9736).
- Add `reporters: 'dot'` and the `PWDEBUG → Infinity` timeout. Keep the rolldown-only `env` (`RUST_BACKTRACE`/`RD_LOG`).

## `hmr-full-bundle-mode`: merge 4 specs → 1 file

Parallelism runs **spec files** concurrently, each forking its own dev server against the playground's shared `playground-temp/<name>/` copy. Multiple spec files in one playground are safe **only when their scenarios are disjoint** — own page/DOM/source files, no spec editing a file another spec's page imports. That is how Vite runs its multi-spec playgrounds (and how `lazy-compilation` already works).

`hmr-full-bundle-mode` can't be disjoint: it's *full-bundle* mode with one shared entry (`main.js` imports every scenario's module, `index.html` renders them all), so every spec's server bundles every file and an edit by one spec would rebuild a sibling's page mid-test. Its four `__tests__/*.spec.ts` are therefore merged into one `hmr-full-bundle-mode.spec.ts` — now `describe` blocks that run sequentially, each restoring what it edits.

`lazy-compilation` is **left unchanged**: its four specs already use disjoint scenarios (separate DOM nodes and source folders, lazily compiled so they never warm each other), so they run safely in parallel as separate spec files.

## Verification

Local: `pnpm run test:browser` — 5 test files / 14 tests pass in parallel with no retry.

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

## [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>