yarnpkg/berry

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📦🐈 Active development trunk for Yarn ⚒

Stars: 8.1k
Forks: 1.3k
Open beginner issues: 0
Indexed issues: 770

Dominant language: TypeScript
License: BSD-2-Clause
Last GitHub push: Sep 19, 2026
Latest indexed: Sep 20, 2026
Contributing guide: Contributing guide
Code of conduct: Code of conduct
Beginner labels: help wanted good first issue
PR merge metrics: No merged PRs in 30d

Beginner friendly Everything

Open All

770 open issues indexed

# [Bug?]: `yarn version apply --prerelease=<id>` drops the prerelease identifier in 4.18.0 Open

bug

Difficulty 3/5 1-2 days Newbie friendliness 72/100

yarnpkg/berry#7275 · Opened Sep 16, 2026
[Bug?]: JS/TS language service immediately crashing in VSCode Open

bug

Difficulty 4/5 3-5 days Newbie friendliness 35/100

yarnpkg/berry#7272 · Opened Sep 12, 2026
[Bug?]: patch-commit throws when git diff produces warnings Open

bug

Difficulty 3/5 1-2 days Newbie friendliness 68/100

yarnpkg/berry#7269 · Opened Sep 2, 2026
[Bug?]: yarn run may fail on missing unrelated dependencies with pnp linker Open

bug

Difficulty 3/5 1-2 days Newbie friendliness 65/100

yarnpkg/berry#7264 · Opened Aug 22, 2026
[Bug?]: yarn fails to symlink in-range workspace dependency Open

bug

Difficulty 4/5 3-5 days Newbie friendliness 35/100

yarnpkg/berry#7260 · 1 comment · Opened Aug 17, 2026
[Bug?]: PnP ESM loader does not cache package.json scope lookups, causing O(files × directory depth) filesystem calls Open

bug

Difficulty 3/5 1-2 days Newbie friendliness 72/100

yarnpkg/berry#7258 · 1 comment · Opened Aug 15, 2026
[Bug?]: EISDIR when reading from a directory that has the same path as a previously existing zip file Open

bug

Difficulty 4/5 3-5 days Newbie friendliness 55/100

yarnpkg/berry#7241 · Opened Aug 3, 2026
Warn when an explicitly-set `cacheFolder` is discarded by `enableGlobalCache` Open

Difficulty 4/5 3-5 days Newbie friendliness 52/100

yarnpkg/berry#7239 · Opened Aug 1, 2026
[CI]: outdated CI (Node.js 25 & actions/*) workflows Open

help wanted

Difficulty 3/5 1-2 days Newbie friendliness 66/100

yarnpkg/berry#7235 · Opened Jul 27, 2026
Yarn PnP: `require.cache` and `require.extensions` are undefined in dependencies (regression in nodejs v22.22.3) Open

bug

Difficulty 4/5 3-5 days Newbie friendliness 45/100

yarnpkg/berry#7234 · Opened Jul 26, 2026
[Bug?]: `npmMinimalAgeGate` will not work on GithubPackages Open

bug

Difficulty 4/5 3-5 days Newbie friendliness 48/100

yarnpkg/berry#7231 · Opened Jul 24, 2026
[Bug?]: Race condition when modifying workspace directory and calling `yarn pack` in parallel causes yarn to crash Open

bug

Difficulty 3/5 1-2 days Newbie friendliness 64/100

yarnpkg/berry#7222 · 3 comments · Opened Jul 13, 2026
[Bug?]: EBADF with Node22 on Ubuntu and macOS Open

bug

Difficulty 4/5 3-5 days Newbie friendliness 48/100

yarnpkg/berry#7211 · Opened Jul 8, 2026
[Bug?]: `nodeExperimentalPackageMap` + corepack Open

bug

Difficulty 4/5 3-5 days Newbie friendliness 50/100

yarnpkg/berry#7210 · Opened Jul 6, 2026
[Bug?]: yarn upgrade-interactive not showing minor updates on some packages Open

bug

Difficulty 4/5 3-5 days Newbie friendliness 55/100

yarnpkg/berry#7207 · Opened Jun 30, 2026
[Feature] Support ESM bundle output and externals in @yarnpkg/builder Open

Difficulty 4/5 3-5 days Newbie friendliness 52/100

yarnpkg/berry#7200 · Opened Jun 23, 2026
[Bug]: Windows - missing files at install on large packages Open

bug

Difficulty 4/5 3-5 days Newbie friendliness 45/100

yarnpkg/berry#7194 · 5 comments · Opened Jun 20, 2026
[Bug?]: TypeScript 6+ is not correctly patched / does not work properly with PnP Open

bug

Difficulty 4/5 3-5 days Newbie friendliness 35/100

yarnpkg/berry#7193 · 2 comments · 1 reaction · Opened Jun 19, 2026
[Bug?]: Disabling global `npmMinimalAgeGate` does not disable scoped `npmMinimalAgeGate` Open

bug

Difficulty 2/5 1-3 hours Newbie friendliness 68/100

yarnpkg/berry#7192 · 1 comment · 1 reaction · Opened Jun 19, 2026
[Feature] Approve package install scripts (`approve-builds`) Open

enhancement

Difficulty 5/5 Over a week Newbie friendliness 45/100

yarnpkg/berry#7188 · 2 comments · Opened Jun 18, 2026
[Bug?]: [Docs] Duplication of yarn command in the CLI documentation Open

bug

Difficulty 2/5 1-3 hours Newbie friendliness 76/100

yarnpkg/berry#7187 · Opened Jun 17, 2026
Known vulnerability in js-yaml affects `@yarnpkg/parsers` Open

Difficulty 2/5 1-3 hours Newbie friendliness 65/100

yarnpkg/berry#7186 · 4 comments · Opened Jun 16, 2026
@yarnpkg/libzip@3.2.2 published without provenance attestation Open

Difficulty 3/5 1-2 days Newbie friendliness 55/100

yarnpkg/berry#7182 · 1 comment · 22 reactions · Opened Jun 8, 2026
[Feature] Publish yarn.js checksums somewhere alongside release Open

enhancement

Difficulty 4/5 3-5 days Newbie friendliness 45/100

yarnpkg/berry#7171 · 2 comments · 3 reactions · Opened Jun 3, 2026
[Feature] Allow CLI to optionally ignore unknown command-line flags for cross-version compatibility Open

enhancement

Difficulty 4/5 3-5 days Newbie friendliness 48/100

yarnpkg/berry#7165 · Opened Jun 2, 2026
[Bug?]: yarn npm login remove trailing slash Open

bug

Difficulty 3/5 1-2 days Newbie friendliness 55/100

yarnpkg/berry#7158 · 1 comment · Opened May 28, 2026
[Feature]: Add support for restricting dependency downloads to a list of allowed registries/URLs Open

enhancement

Difficulty 5/5 Over a week Newbie friendliness 42/100

yarnpkg/berry#7151 · 2 comments · 3 reactions · Opened May 26, 2026
[Bug?]: Latest dist tag on @yarnpkg/plugin-pack is out of date Open

bug

Difficulty 3/5 1-2 days Newbie friendliness 38/100

yarnpkg/berry#7150 · Opened May 26, 2026
[Feature] Set a proper User-Agent header on outgoing HTTP request Open

enhancement good first issue help wanted

Difficulty 3/5 1-2 days Newbie friendliness 72/100

yarnpkg/berry#7146 · 4 comments · 1 reaction · Opened May 21, 2026
[Bug?]: CDN returns white page on ratelimit ? Open

bug

Difficulty 4/5 3-5 days Newbie friendliness 35/100

yarnpkg/berry#7145 · 1 comment · 1 reaction · Opened May 20, 2026
[Bug?]: Missing peer dependency warning is masked by workspace devDependency fallback Open

bug help wanted

Difficulty 4/5 3-5 days Newbie friendliness 48/100

yarnpkg/berry#7139 · 2 comments · Opened May 16, 2026
[Feature] packageManager shouldn't restrict global actions Open

enhancement

Difficulty 3/5 1-2 days Newbie friendliness 48/100

yarnpkg/berry#7134 · 2 comments · Opened May 13, 2026
[Bug?]: If you set `workspace:*` in a catalog, topological-dev doesn't pick it up. Open

bug

Difficulty 4/5 3-5 days Newbie friendliness 50/100

yarnpkg/berry#7129 · 1 comment · Opened May 5, 2026
[Bug?]: yarn add unexpectedly hangs in network restricted environments Open

bug

Difficulty 4/5 3-5 days Newbie friendliness 52/100

yarnpkg/berry#7111 · 6 comments · Opened Apr 21, 2026
[Bug?]: Yarn interactive failing inside multi-term, inside Emacs Open

bug

Difficulty 3/5 1-2 days Newbie friendliness 45/100

yarnpkg/berry#7109 · Opened Apr 21, 2026
[Feature] VSCode settings TSDK Open

enhancement good first issue help wanted

Difficulty 2/5 1-3 hours Newbie friendliness 63/100

yarnpkg/berry#7107 · 1 comment · Opened Apr 18, 2026
[Bug?]: ESLint "Oops! Something went wrong! :(" with Node 24.15.0 when using PnP Open

bug

Difficulty 4/5 3-5 days Newbie friendliness 52/100

yarnpkg/berry#7106 · 8 comments · 7 reactions · Opened Apr 17, 2026
[Feature] Support trustPolicy to reject packages with provenance downgrade at install time Open

enhancement help wanted

Difficulty 5/5 Over a week Newbie friendliness 35/100

yarnpkg/berry#7101 · 1 comment · 59 reactions · Opened Apr 16, 2026
Bug: PnP TypeScript compat patch causes tsserver to recursively watch an arbitrary directory Open

bug

Difficulty 3/5 1-2 days Newbie friendliness 72/100

yarnpkg/berry#7097 · Opened Apr 10, 2026
[Feature] Exclude packages from installation Open

enhancement

Difficulty 5/5 Over a week Newbie friendliness 42/100

yarnpkg/berry#7088 · 3 comments · Opened Mar 30, 2026
[Bug?]: yarn up replaces catalog: references in package.json instead of updating the catalog Open

bug

Difficulty 3/5 1-2 days Newbie friendliness 58/100

yarnpkg/berry#7084 · 9 reactions · Opened Mar 27, 2026
[Feature] Exclude global gitignore from files/folders Open

enhancement

Difficulty 4/5 3-5 days Newbie friendliness 35/100

yarnpkg/berry#7082 · Opened Mar 27, 2026
[Feature] Support catalog: protocol in yarn add Open

enhancement

Difficulty 5/5 Over a week Newbie friendliness 42/100

yarnpkg/berry#7081 · 5 comments · Opened Mar 25, 2026
[Feature] Support for system certificate store Open

enhancement

Difficulty 4/5 3-5 days Newbie friendliness 38/100

yarnpkg/berry#7073 · 5 comments · Opened Mar 14, 2026
`dlx` document missing 4 more cases Open

enhancement good first issue help wanted

Difficulty 2/5 1-3 hours Newbie friendliness 35/100

yarnpkg/berry#7072 · 2 comments · Opened Mar 14, 2026
[Bug?]: PNP incompatible with Vite 8 (rolldown) Open

bug

Difficulty 4/5 3-5 days Newbie friendliness 38/100

yarnpkg/berry#7071 · 7 comments · Opened Mar 13, 2026
[Bug?]: Cannot publish a yarn pack Open

bug

Difficulty 4/5 3-5 days Newbie friendliness 42/100

yarnpkg/berry#7062 · Opened Mar 8, 2026
[Bug]: Regression Yarn 4.3.0->Yarn 4.12.0 : OOM during resolution step — later fails with `RangeError: Invalid array length` Open

bug

Difficulty 4/5 3-5 days Newbie friendliness 45/100

yarnpkg/berry#7047 · 7 comments · 1 reaction · Opened Feb 7, 2026
[Feature] add spdx licensing headers to code that is potentially committed to MY repo Open

enhancement

Difficulty 5/5 Over a week Newbie friendliness 25/100

yarnpkg/berry#7040 · Opened Jan 24, 2026
[Bug?]: directories referenced in `directories.bin` in `package.json` gets included in `bin` Open

bug

Difficulty 3/5 1-2 days Newbie friendliness 45/100

yarnpkg/berry#7036 · Opened Jan 19, 2026

yarnpkg/berry

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