release: v1.0.0-rc.16

[github-actions]

[1.0.0-rc.16] - 2026-04-16

🚀 Features

• const enum cross-module inlining support (feat: const enum cross-module inlining support #8796) by @Dunqing
• implement module tagging system for code splitting (feat: implement module tagging system for code splitting #9045) by @hyf0

🐛 Bug Fixes

• rolldown_plugin_vite_manifest: handle duplicate chunk names for CSS entries (fix(rolldown_plugin_vite_manifest): handle duplicate chunk names for CSS entries #9059) by @sapphi-red
• improve error message for invalid return values in function options (fix: improve error message for invalid return values in function options #9125) by @shulaoda
• await async export-star init wrappers (fix: await async export-star init wrappers #9101) by @thezzisu
• never panic during diagnostic emission (fix: never panic during diagnostic emission #9091) by @IWANABETHATGUY
• include array rest pattern in binding_identifiers (fix: include array rest pattern in binding_identifiers #9112) by @IWANABETHATGUY
• rolldown: set worker thread count with ROLLDOWN_WORKER_THREADS (fix(rolldown): set worker thread count with ROLLDOWN_WORKER_THREADS #9086) by @fpotter
• rolldown_plugin_lazy_compilation: escape request ID in proxy modules (fix(rolldown_plugin_lazy_compilation): escape request ID in proxy modules #9102) by @h-a-n-a
• treat namespace member access as side-effect-free (fix: treat namespace member access as side-effect-free #9099) by @IWANABETHATGUY
• relax overly conservative side-effect leak check in chunk optimizer (fix: relax overly conservative side-effect leak check in chunk optimizer #9085) by @IWANABETHATGUY
• runtime: release cb reference after __commonJS factory initialization (fix(runtime): release cb reference after __commonJS factory initialization #9067) by @hyf0-agent
• @__NO_SIDE_EFFECTS__ wrapper should not remove dynamic imports (fix: @__NO_SIDE_EFFECTS__ wrapper should not remove dynamic imports #9075) by @IWANABETHATGUY
• rolldown_plugin_vite_import_glob: use POSIX path join/normalize for glob resolution (fix(rolldown_plugin_vite_import_glob): use POSIX path join/normalize for glob resolution #9077) by @shulaoda
• emit REQUIRE_TLA error when require() loads a module with top-level await (fix: emit REQUIRE_TLA error when require() loads a module with top-level await #9071) by @jaehafe
• emit namespace declaration for empty modules in manual chunks (fix: emit namespace declaration for empty modules in manual chunks #8993) by @privatenumber
• rolldown_plugin_vite_import_glob: keep common base on path segment boundary (fix(rolldown_plugin_vite_import_glob): keep common base on path segment boundary #9070) by @shulaoda
• prevent circular runtime helper imports during facade elimination ([Bug]: circular import generated when using dynamic import and namespace exports #8989) (fix: prevent circular runtime helper imports during facade elimination (#8989) #9057) by @IWANABETHATGUY
• correct circular dependency check in facade elimination (fix: correct circular dependency check in facade elimination #9047) by @h-a-n-a
• docs: correct dead link in CodeSplittingGroup.tags JSDoc (fix(docs): correct dead link in CodeSplittingGroup.tags JSDoc #9051) by @hyf0
• emit DUPLICATE_SHEBANG warning when banner contains shebang (fix: emit DUPLICATE_SHEBANG warning when banner contains shebang #9026) by @IWANABETHATGUY

🚜 Refactor

• use semantic reference flags for member write detection (refactor: use semantic reference flags for member write detection #9060) by @Dunqing
• extract UsedSymbolRefs newtype wrapper (refactor: extract UsedSymbolRefs newtype wrapper #9130) by @IWANABETHATGUY
• dedupe await wrapping in export-star init emit (refactor: dedupe await wrapping in export-star init emit #9119) by @IWANABETHATGUY
• calculate side-effect-free function symbols on demand (refactor: calculate side-effect-free function symbols on demand #9120) by @IWANABETHATGUY
• extract duplicated top-level await handling into shared helper (refactor: extract duplicated top-level await handling into shared helper #9087) by @IWANABETHATGUY
• rolldown_plugin_vite_import_glob: use split_first for get_common_base (refactor(rolldown_plugin_vite_import_glob): use split_first for get_common_base #9069) by @shulaoda
• simplify ESM init deduplication with idiomatic insert check (refactor: simplify ESM init deduplication with idiomatic insert check #9044) by @IWANABETHATGUY

📚 Documentation

• document runtime module placement strategy in code-splitting design (docs: document runtime module placement strategy in code-splitting design #9062) by @IWANABETHATGUY
• clarify options hook behavior difference with Rollup in watch mode (docs: clarify options hook behavior difference with Rollup in watch mode #9053) by @sapphi-red
• meta/design: introduce module tags (docs(meta/design): introduce module tags #9017) by @hyf0

⚡ Performance

• convert generate_transitive_esm_init to iterative (perf: convert generate_transitive_esm_init to iterative #9046) by @IWANABETHATGUY

🧪 Testing

• merge strict/non_strict test variants using configVariants (test: merge strict/non_strict test variants using configVariants #9089) by @IWANABETHATGUY

⚙️ Miscellaneous Tasks

• disable Renovate auto-updates for oxc packages (chore: disable Renovate auto-updates for oxc packages #9129) by @IWANABETHATGUY
• upgrade oxc@0.126.0 (chore: upgrade oxc@0.126.0 #9127) by @Dunqing
• deps: update napi to v3.8.5 (chore(deps): update napi to v3.8.5 #9126) by @renovate[bot]
• deps: update dependency @napi-rs/cli to v3.6.2 (chore(deps): update dependency @napi-rs/cli to v3.6.2 #9123) by @renovate[bot]
• move lazy-compilation design doc (chore: move lazy-compilation design doc #9117) by @h-a-n-a
• deps: update dependency vite-plus to v0.1.18 (chore(deps): update dependency vite-plus to v0.1.18 #9118) by @renovate[bot]
• deps: update dependency vite-plus to v0.1.17 (chore(deps): update dependency vite-plus to v0.1.17 #9113) by @renovate[bot]
• deps: update oxc to v0.125.0 (chore(deps): update oxc to v0.125.0 #9094) by @renovate[bot]
• deps: update dependency follow-redirects to v1.16.0 [security] (chore(deps): update dependency follow-redirects to v1.16.0 [security] #9103) by @renovate[bot]
• deps: update test262 submodule for tests (chore(deps): update test262 submodule for tests #9097) by @sapphi-red
• deps: update crate-ci/typos action to v1.45.1 (chore(deps): update crate-ci/typos action to v1.45.1 #9096) by @renovate[bot]
• deps: update rust crates (chore(deps): update rust crates #9081) by @renovate[bot]
• deps: update npm packages (chore(deps): update npm packages #9080) by @renovate[bot]
• remove outdated TODO in determine_module_exports_kind (chore: remove outdated TODO in determine_module_exports_kind #9072) by @jaehafe
• rust/test: support extendedTests: false shorthand in test config (chore(rust/test): support extendedTests: false shorthand in test config #9050) by @hyf0
• ci: extract shared infra-changes anchor in path filters (chore(ci): extract shared infra-changes anchor in path filters #9054) by @hyf0
• add docs build check to catch dead links in PRs (ci: add docs build check to catch dead links in PRs #9052) by @hyf0

❤️ New Contributors

• @thezzisu made their first contribution in #9101
• @fpotter made their first contribution in #9086
• @jaehafe made their first contribution in #9071
• @privatenumber made their first contribution in #8993

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