[1.1.3] - 2026-06-24

🐛 Bug Fixes

• defer_drop crashes the browser main thread (fix: defer_drop crashes the browser main thread #9942) by @shulaoda
• camel-case: correct camel case for nested values (fix(camel-case): correct camel case for nested values #9933) by @kb019
• cli: display --help options in camelCase (fix(cli): display --help options in camelCase #9941) by @IWANABETHATGUY
• preserve used re-exports under preserveModules (preserveModules drops re-exports of imported bindings #9122) (fix: preserve used re-exports under preserveModules (#9122) #9934) by @IWANABETHATGUY
• watch: make close reentrant in event callbacks (fix(watch): make close reentrant in event callbacks #9904) by @hyf0
• git for windows treats symlink files as regular files (fix: git for windows treats symlink files as regular files #9915) by @AliceLanniste
• dev: cancel pending full reload on build error (fix(dev): cancel pending full reload on build error #9903) by @h-a-n-a
• chunking: pass plugin meta to codeSplitting groups name function (fix(chunking): pass plugin meta to codeSplitting groups name function #9267) by @Kyujenius
• dev: serve assets emitted during HMR/lazy compile (vite#22596) (fix(dev): serve assets emitted during HMR/lazy compile (vite#22596) #9815) by @h-a-n-a
• release: dry-run step no longer publishes binding packages (fix(release): dry-run step no longer publishes binding packages #9866) by @Boshen

🚜 Refactor

• rolldown_common: model ModuleId as a classified Path/Virtual/Bare enum (refactor(rolldown_common): model ModuleId as a classified Path/Virtual/Bare enum #9927) by @Boshen
• remove unused LegacyModuleIdx (refactor: remove unused LegacyModuleIdx #9872) by @shulaoda
• remove unused StmtInfos::get_namespace_stmt_info (refactor: remove unused StmtInfos::get_namespace_stmt_info #9870) by @shulaoda
• remove unused Module::as_external_mut (refactor: remove unused Module::as_external_mut #9871) by @shulaoda
• remove unused EcmaAst::is_body_empty (refactor: remove unused EcmaAst::is_body_empty #9869) by @shulaoda
• drop dead is_css_module handling in resolve_dependencies (refactor: drop dead is_css_module handling in resolve_dependencies #9867) by @shulaoda
• drop redundant with_commonjs on cjs source type (refactor: drop redundant with_commonjs on cjs source type #9868) by @shulaoda

📚 Documentation

• clarify on drafting PRs (docs: clarify on drafting PRs #9952) by @h-a-n-a
• update contribution guidelines (docs: update contribution guidelines #9944) by @fubhy
• note Rust crates don't follow semver in AGENTS.md (docs: note Rust crates don't follow semver in AGENTS.md #9905) by @IWANABETHATGUY
• add feedback form (docs: add feedback form #9159) by @TheAlexLichter

⚡ Performance

• utils: avoid allocation in default_sanitize_file_name for clean names (perf(utils): avoid allocation in default_sanitize_file_name for clean names #9928) by @Boshen
• binding: box once-per-build futures before spawn_future (perf(binding): box once-per-build futures before spawn_future #9864) by @Boshen
• utils: avoid wasted allocation in legitimize_identifier_name (perf(utils): avoid wasted allocation in legitimize_identifier_name #9926) by @Boshen
• rolldown: fuse the canonical-name dedup and insert in the renamer (perf(rolldown): fuse the canonical-name dedup and insert in the renamer #9900) by @Boshen
• rolldown: probe the name map once in ConflictResolver::resolve (perf(rolldown): probe the name map once in ConflictResolver::resolve #9899) by @Boshen
• cut two heap allocations from wrapped ESM init finalize (perf: cut two heap allocations from wrapped ESM init finalize #9901) by @Boshen
• rolldown_plugin_vite_reporter: hoist invariant out_dir prefix out of reporter loop (perf(rolldown_plugin_vite_reporter): hoist invariant out_dir prefix out of reporter loop #9873) by @shulaoda
• drop throwaway Vec in wrapped esm init stmt (perf: drop throwaway Vec in wrapped esm init stmt #9878) by @shulaoda
• borrow owner_filename in build-import-analysis AddDeps (perf: borrow owner_filename in build-import-analysis AddDeps #9874) by @shulaoda

🧪 Testing

• cover preserveModules named export via namespace re-export ([Bug]: preserveModules removes named exports #6010) (test: cover preserveModules named export via namespace re-export (#6010) #9937) by @IWANABETHATGUY

⚙️ Miscellaneous Tasks

• deps: update napi to v3.9.4 (chore(deps): update napi to v3.9.4 #9954) by @shulaoda
• reduce noise from CODEOWNERS for trival changes (chore: reduce noise from CODEOWNERS for trival changes #9953) by @h-a-n-a
• deps: update mimalloc-safe to 0.1.64 (chore(deps): update mimalloc-safe to 0.1.64 #9950) by @shulaoda
• deps: update rollup submodule for tests to v4.62.2 (chore(deps): update rollup submodule for tests to v4.62.2 #9931) by @rolldown-guard[bot]
• deps: test mimalloc-safe upstream-mimalloc switch in CI (chore(deps): test mimalloc-safe upstream-mimalloc switch in CI #9930) by @shulaoda
• rolldown_plugin_vite_build_import_analysis: remove unused v2 code path (chore(rolldown_plugin_vite_build_import_analysis): remove unused v2 code path #9917) by @shulaoda
• rolldown_plugin_vite_manifest: remove unused is_enable_v2 code path (chore(rolldown_plugin_vite_manifest): remove unused is_enable_v2 code path #9916) by @shulaoda
• rolldown_plugin_vite_asset_import_meta_url: remove unexposed native vite plugin (chore(rolldown_plugin_vite_asset_import_meta_url): remove unexposed native vite plugin #9896) by @shulaoda
• rolldown_plugin_vite_asset: remove unexposed native vite plugin (chore(rolldown_plugin_vite_asset): remove unexposed native vite plugin #9895) by @shulaoda
• rolldown_plugin_vite_css_post: remove unexposed native vite plugin (chore(rolldown_plugin_vite_css_post): remove unexposed native vite plugin #9894) by @shulaoda
• rolldown_plugin_vite_css: remove unexposed native vite plugin (chore(rolldown_plugin_vite_css): remove unexposed native vite plugin #9893) by @shulaoda
• rolldown_plugin_vite_html_inline_proxy: remove unexposed native vite plugin (chore(rolldown_plugin_vite_html_inline_proxy): remove unexposed native vite plugin #9892) by @shulaoda
• rolldown_plugin_vite_html: remove unexposed native vite plugin (chore(rolldown_plugin_vite_html): remove unexposed native vite plugin #9891) by @shulaoda
• deps: update github actions (chore(deps): update github actions #9909) by @renovate[bot]
• deps: update rust crate oxc_sourcemap to v8.0.2 (chore(deps): update rust crate oxc_sourcemap to v8.0.2 #9910) by @renovate[bot]
• deps: update npm packages (chore(deps): update npm packages #9912) by @renovate[bot]
• deps: update github actions to v7 (chore(deps): update github actions to v7 #9913) by @renovate[bot]
• deps: update rolldown-plugin-dts to ^0.26.0 (chore(deps): update rolldown-plugin-dts to ^0.26.0 #9897) by @renovate[bot]
• remove rolldown_filter_analyzer crate (chore: remove rolldown_filter_analyzer crate #9865) by @Boshen

❤️ New Contributors

• @fubhy made their first contribution in #9944