[1.0.0-rc.7] - 2026-03-05

⚡ Smarter Code Generation Defaults

• DCE-only minification and smart constant inlining are now enabled by default
• Produces cleaner, smaller output bundles without requiring explicit configuration

💡 LLM-Friendly Bundle Analyzer Reports

• New markdown output format for the bundle analyzer plugin with bundle summaries, module graphs, dependency chains, and optimization suggestions
• Optimization suggestions now also recommend using the entriesAware option when common chunks contain modules only reachable from specific entries

💥 BREAKING CHANGES

• enable minify: 'dce-only' by default (feat: enable minify: 'dce-only' by default #8465) by @IWANABETHATGUY
• settings inlineConst: { mode: 'smart', pass: 1} by default (feat!: settings inlineConst: { mode: 'smart', pass: 1} by default #8444) by @IWANABETHATGUY

🚀 Features

• binding: add original getter to BindingMagicString (feat(binding): add original getter to BindingMagicString #8533) by @IWANABETHATGUY
• native-magic-string: add offset property support (feat(native-magic-string): add offset property support #8531) by @IWANABETHATGUY
• add output.strict option to control "use strict" directive emission (feat: add output.strict option to control "use strict" directive emission #8489) by @copilot
• watch: expose watcher.compareContentsForPolling (feat(watch): expose watcher.compareContentsForPolling #8526) by @hyf0
• watch: use new watcher to support watch mode (feat(watch): use new watcher to support watch mode #8475) by @hyf0
• rust/watch: handle bulk-change (feat(rust/watch): handle bulk-change #8466) by @hyf0
• add LLM-friendly markdown output format to bundle analyzer plugin (feat: add LLM-friendly markdown output format to bundle analyzer plugin #8242) by @IWANABETHATGUY

🐛 Bug Fixes

• expose plugins on NormalizedInputOptions for buildStart hook (fix: expose plugins on NormalizedInputOptions for buildStart hook #8521) by @copilot
• only uppercase facade symbols in JSX preserve mode (fix: only uppercase facade symbols in JSX preserve mode #8519) by @IWANABETHATGUY
• binding: export BindingResult in generated dts header (fix(binding): export BindingResult in generated dts header #8537) by @minsoo-web
• pre-resolve paths option to avoid invoke_sync deadlock (fix: pre-resolve paths option to avoid invoke_sync deadlock #8518) by @IWANABETHATGUY
• remove debug-only jsx_preset and UntranspiledSyntaxError (fix: remove debug-only jsx_preset and UntranspiledSyntaxError #8511) by @IWANABETHATGUY
• apply topLevelVar to exported const/let declarations (fix: apply topLevelVar to exported const/let declarations #8507) by @IWANABETHATGUY
• rolldown_plugin_vite_web_worker_post: avoid replacing new.target (fix(rolldown_plugin_vite_web_worker_post): avoid replacing new.target #8488) by @sapphi-red
• update copyright year to 2026 (chore: update copyright #8486) by @maciekzygmunt

🚜 Refactor

• rust: use Oxc's SymbolFlags::ConstVariable instead of custom IsConst flag (refactor(rust): use Oxc's SymbolFlags::ConstVariable instead of custom IsConst flag #8543) by @Dunqing
• rust: remove FacadeScoping, use Scoping::create_symbol for facade symbols (refactor(rust): remove FacadeScoping, use Scoping::create_symbol for facade symbols #8540) by @Dunqing
• rust/watch: remove hacky reset_closed_for_watch_mode (refactor(rust/watch): remove hacky reset_closed_for_watch_mode #8530) by @hyf0
• binding: return &str instead of String in filename() getter (refactor(binding): return &str instead of String in filename() getter #8534) by @IWANABETHATGUY
• rust: remove old watch mode implementation (refactor(rust): remove old watch mode implementation #8525) by @hyf0
• rust/watch: simply watch logic in the binding layer (refactor(rust/watch): simply watch logic in the binding layer #8516) by @hyf0
• rust/watch: tweak struct/function names (refactor(rust/watch): tweak struct/function names #8464) by @hyf0

📚 Documentation

• explain how external modules work in rolldown (docs: explain how external modules work in rolldown #8457) by @sapphi-red
• add some diagrams using graphviz (docs: add some diagrams using graphviz #8499) by @sapphi-red
• use vitepress-plugin-graphviz (docs: use vitepress-plugin-graphviz #8498) by @sapphi-red
• list s390x/ppc64le prebuilt binaries (docs: list s390x/ppc64le prebuilt binaries #8495) by @crusty-voidzero
• fix error type for RolldownBuild.generate and others (docs: fix error type for RolldownBuild.generate and others #8490) by @sapphi-red

⚡ Performance

• string_wizard: reduce allocations and add ASCII fast paths (perf(string_wizard): reduce allocations and add ASCII fast paths #8541) by @IWANABETHATGUY
• use IndexBitSet to replace IndexVec<XXXIdx, bool> for module/stmt inclusion tracking (perf: use IndexBitSet to replace IndexVec<XXXIdx, bool> for module/stmt inclusion tracking #8503) by @IWANABETHATGUY
• plugin: use IndexBitSet to optimize skipped plugins checking (perf(plugin): use IndexBitSet to optimize skipped plugins checking #8497) by @ShroXd
• rust/tla: skip compute_tla if there is no module use TLA (perf(rust/tla): skip compute_tla if there is no module use TLA #8487) by @ShroXd

🧪 Testing

• node/watch: make watch tests run in concurrent and retry-able (test(node/watch): make watch tests run in concurrent and retry-able #8512) by @hyf0
• add test case for static flag tree-shaking (test: add test case for static flag tree-shaking #8476) by @IWANABETHATGUY
• migrate post-banner sourcemap-with-shebang to Rust (test: migrate post-banner sourcemap-with-shebang to Rust #8477) by @copilot

⚙️ Miscellaneous Tasks

• vscode: formatOnSave for markdown files using oxc formatter (chore(vscode): use oxc formatter for markdown files #8536) by @minsoo-web
• deps: update test262 submodule for tests (chore(deps): update test262 submodule for tests #8528) by @sapphi-red
• remove retry workaround from output paths test fixtures (chore: remove retry workaround from output paths test fixtures #8520) by @copilot
• docs: add Shuyuan Wang (h-a-n-a) and remove from acknowledgements (chore(docs): add Shuyuan Wang (h-a-n-a) and remove from acknowledgements #8509) by @copilot
• consolidate top_level_var test cases using configVariants (chore: consolidate top_level_var test cases using configVariants #8508) by @IWANABETHATGUY
• add s390x and ppc64le linux gnu targets (ci: add s390x and ppc64le linux gnu targets #8493) by @Brooooooklyn

◀️ Revert

• fix(rolldown): increase tokio blocking threads size for watch mode (revert: fix(rolldown): increase tokio blocking threads size for watch mode #8517) by @hyf0

❤️ New Contributors

• @minsoo-web made their first contribution in #8536
• @crusty-voidzero made their first contribution in #8495
• @maciekzygmunt made their first contribution in #8486