tsdown

Every stable release, newest first. Notes are quoted as the maintainers published them.

1. 0.23.1

   10 October 2026
   Preserve false tsconfig option

   Bug Fixes

   • Preserve false tsconfig option

   • entry: Honor custom root for object entry

   • pkg: Pack tarball inside npm publish --dry-run

2. 0.23.0

   3 September 2026
   Most users can upgrade directly. Before upgrading, run one final build with tsdown@0.22.14 and resolve all deprecation warnings.

   Migration Guide

   Most users can upgrade directly. Before upgrading, run one final build with tsdown@0.22.14 and resolve all deprecation warnings.

   • breaking

     config: bundle: false → unbundle: true; bundle: true can be removed

   • breaking

     config: outExtension → outExtensions

   • breaking

     config: publicDir / --public-dir → copy / --copy

   • breaking

     config: removeNodeProtocol: true → nodeProtocol: 'strip'

   • breaking

     config: injectStyle → css.inject

   • breaking

     deps: inlineOnly / deps.onlyAllowBundle → deps.onlyBundle

   • breaking

     deps: skipNodeModulesBundle: true → deps.neverBundle: true

   • breaking

     deps: resolveDepSubpath now defaults to false; set it to true to preserve the previous behavior

   • breaking

     dts: rolldown-plugin-dts was upgraded from 0.27.13 to 0.28.5

   • breaking

     dts: dts.oxc: true → dts.generator: 'oxc'

   • breaking

     dts: dts.tsgo: true → dts.generator: 'tsgo'; oxc and tsgo objects now only configure their respective generators

   • breaking

     dts: dts.volarPlugins → dts.customLanguages; rename each language's create hook to createVolarPlugins

   • breaking

     dts: Custom languages, including vue, now throw when combined with an incompatible generator

   • breaking

     dts: dts.cjsReexport was removed; dual-format builds now generate CJS declarations in a separate pass

   • breaking

     attw: The default profile changed from strict to esm-only; set profile: 'strict' to preserve the previous checks

   • breaking

     programmatic API: build() now returns { bundles, watch }; replace const bundles = await build() with const { bundles } = await build()

   • breaking

     requirements: Node.js 25 is no longer supported; use ^22.18.0, ^24.11.0, or >=26.0.0

   • breaking

     requirements: rolldown-plugin-dts now requires Rolldown 1.2.x

   • breaking

     requirements: Legacy types and typesVersions fallbacks were removed; use TypeScript's bundler, node16, or nodenext module resolution

   Breaking Changes

   • breaking

     Drop support for Node.js 25

   • breaking

     Remove deprecated tsup compatibility options

   • breaking

     Drop types and typesVersionsfields

   • breaking

     attw: Change default profile to esm-only

   • breaking

     deps: Remove deprecated deps.onlyAllowBundle

   • breaking

     deps: Disable resolveDepSubpath by default

   • breaking

     deps: Remove deprecated skipNodeModulesBundle

   • breaking

     dts: Remove dts.cjsReexport option

3. 0.22.14

   23 July 2026
   Add CLI build concurrency option

   Features

   • Add CLI build concurrency option

4. 0.22.13

   21 July 2026
   Support neverBundle: true to externalize all dependencies

   Features

   • deps: Support neverBundle: true to externalize all dependencies

   Bug Fixes

   • Prevent tinyexec from modifying PATH

5. 0.22.12

   19 July 2026
   exe: Standardize minimum Node.js version

   Breaking Changes

   • breaking

     exe: Standardize minimum Node.js version

6. 0.22.11

   19 July 2026
   Add resolveDepSubpath option

   Features

   • deps: Add resolveDepSubpath option

7. 0.22.10

   19 July 2026
   exe: Support custom node index and download url

   Features

   • exe: Support custom node index and download url

   Bug Fixes

   • deps: External peerDependenciesMeta deps

   • exe: Handle Windows node archives on Linux