Version 4.0.1

What's Changed

• Fix MultipleKeysError when user condarc declares auto_activate by @jezdez in #500

Full Changelog: v4.0.0...v4.0.1

Version 4.0.0

Breaking Changes

• #459: Upgrade action runtime to Node.js 24.x (requires runners with
  Node 24 support; this is the reason for the v4 major bump)
• #450: Switch action build to ESM (for @actions/exec v3)

Features and Enhancements

• #469: Add conda-init input to optionally skip conda init and
  document activation for restricted environments
• #482: Add channels parsing utility and URL validation
• #481: Enable stricter TypeScript checks and typing
• #480: Add more tests, increase coverage, add Codecov integration and
  coverage badge
• #479: Add TypeDoc-based API docs, generation and checks; configure
  GitHub Pages and Netlify previews

Fixes

• #465: Fix double channel configuration being applied
• #467: Speed up Windows post-run cleanup by moving the extracted
  packages directory instead of removing files one by one
• #470: Fix name-version-build syntax expansion and add tests
• #475: Split shell init and activation of the test environment to remove
  spurious warning
• #498: Skip Netlify preview for Dependabot PRs

Performance

• #486: Remove HTML index scraping for Miniconda version validation
• #487: Parallelize Windows takeown calls with Promise.all
• #488: Replace isDefaultEnvironment subprocess with local YAML reads
• #489: Replace conda config subprocesses with direct .condarc YAML
  writes

Tasks and Maintenance

• #444: Bump conda-incubator/setup-miniconda from 3.2.0 to 3.3.0
• #445: Bump actions/checkout from 6.0.1 to 6.0.2
• #449: Bump @actions/exec from 2.0.0 to 3.0.0
• #456, #484, #491: Bump actions/upload-artifact
• #460: Bump actions/download-artifact from 7.0.0 to 8.0.1
• #464: Update dependencies for actions and packages
• #466: Bump @actions/tool-cache from 2.0.2 to 4.0.0
• #473: Bump flatted from 3.2.9 to 3.4.2
• #476: Bump picomatch
• #477: Bump conda-incubator/installer from 0.1.0 to 0.1.1
• #485: Bump vite from 8.0.0 to 8.0.8
• #492: Bump actions/upload-pages-artifact from 3 to 5
• #493: Bump marocchino/sticky-pull-request-comment from 2 to 3
• #494: Bump actions/deploy-pages from 4 to 5
• #495: Bump codecov/codecov-action from 5 to 6
• #496: Bump @actions/core from 3.0.0 to 3.0.1

Version 3.3.0

Fixes

• #411: Deprecate auto-activate-base input
• #410: Ignore auto_activate warning
• #414: Activate default environment instead of base environment
• #435: fix: remove accidental indentation from shell config template
  strings
• #442: Translate POSIX set to xonsh's equivalent

Tasks and Maintenance

• #405, #413, #439: Bump normalize-url from 8.0.1 to 8.1.1
• #425: Bump @actions/io from 1.1.3 to 2.0.0
• #432: Bump @actions/exec from 1.1.1 to 2.0.0
• #433, #441: Bump @actions/core from 1.11.1 to 2.0.2
• #416: Bump semver and @types/semver
• #421: Bump actions/setup-node from 5 to 6
• #427: Bump js-yaml from 4.1.0 to 4.1.1

Version 3.2.0

Fixes

• #398 Check all .condarc files when removing defaults
• #397 Add version normalization for minicondaVersion in input validation
• #402 Workaround for auto_activate_base deprecation

Tasks and Maintenance

• #391 Bump conda-incubator/setup-miniconda from 3.1.0 to 3.1.1
• #390 Bump undici from 5.28.4 to 5.28.5
• #399 Bump semver and @types/semver

Version 3.1.1

Fixes

• #378: Make nodefaults warning more explicit
• #387: Detect and support Linux ARM runners for both Miniconda and Miniforge

Tasks and Maintenance

• #374: Bump conda-incubator/setup-miniconda from 3.0.4 to 3.1.0
• #375: Bump actions/cache from 3 to 4
• #384: Bump @actions/tool-cache from 2.0.1 to 2.0.2
• #386: Fix link to example 14
• #388: Fix mamba 1.x examples

Version 3.1.0

Features

• #367: Add conda-remove-defaults setting to remove the defaults channel if added implicitly
• #342: Add installation-dir to customize where the installers are installed to
• #328: Make conda's cache configurable via pkgs-dirs

Fixes

• #360: Start deprecation of miniforge-variant: Mambaforge
• #362: Ignore conda cygpath warning
• #368: Address mamba v2 incompatibilities
• #350: set CONDA environment variable regardless of useBundled option

Tasks and Maintenance

• #353: Bump semver and @types/semver
• #356: Bump braces from 3.0.2 to 3.0.3
• #359: Bump semver from 7.6.2 to 7.6.3
• #370: Bump @actions/core from 1.10.1 to 1.11.1

Version 3.0.4

Fixes

• #345 Fix running on macOS 13 on Intel since the runners no longer provide
  miniconda by default.

Tasks and Maintenance

• #337 Bump conda-incubator/setup-miniconda from 3.0.2 to 3.0.3 (#337)
• #338 Bump normalize-url from 8.0.0 to 8.0.1
• #340 Bump undici from 5.27.4 to 5.28.5

Full Changelog: v3.0.3...v3.0.4

Version 3.0.3

Fixes

• #336 Fall back to miniconda3 latest when no bundled version + empty with params

Tasks and Maintenance

• #335 Bump conda-incubator/setup-miniconda from 3.0.1 to 3.0.2

Full Changelog: v3...v3.0.3

Version 3.0.2

Fixes

• #312 Enable ARM64 on macOS for Miniforge and Mambaforge including automatic
  architecture detection.

Tasks and Maintenance

• #327 Bump conda-incubator/setup-miniconda from 3.0.0 to 3.0.1
• #330 Bump actions/cache from 3 to 4
• #334 Bump undici from 5.27.2 to 5.28.3

Full Changelog: v3...v3.0.2

Version 3.0.1

Fixes

• #325 Fix environment activation on windows (a v3 regression) due to
  hard-coded install PATH

Full Changelog: v3.0.0...v3.0.1