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npm · #1828 most downloaded on npm
👷 workerd for Linux 64-bit, Cloudflare's JavaScript/Wasm Runtime
Last release today
03 Oct 2026
Ships on a steady schedule
a new release about every 8 days
Nearly every release is documented
notes for 60 of the last 60 stable releases
Nothing withdrawn
no release was ever pulled
4 years old
564 releases · first in 2022
One column per quarter.
Full Changelog: https://github.com/cloudflare/workerd/compare/v1.20260729.1...v1.20260730.1
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2026 07 02 upstream by @mikea in https://github.com/cloudflare/workerd/pull/6853
Full Changelog: https://github.com/cloudflare/workerd/compare/v1.20260702.1...v1.20260703.1
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2026 06 24 upstream update by @mikea in https://github.com/cloudflare/workerd/pull/6844
Full Changelog: https://github.com/cloudflare/workerd/compare/v1.20260624.1...v1.20260625.1
Full Changelog: https://github.com/cloudflare/workerd/compare/v1.20260623.1...v1.20260624.1
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Fix two bugs affecting persistent stubs by @kentonv in https://github.com/cloudflare/workerd/pull/6840
Full Changelog: https://github.com/cloudflare/workerd/compare/v1.20260622.1...v1.20260623.1
Full Changelog: https://github.com/cloudflare/workerd/compare/v1.20260620.1...v1.20260621.1
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2026 06 16 upstream changes by @mikea in https://github.com/cloudflare/workerd/pull/6822
Full Changelog: https://github.com/cloudflare/workerd/compare/v1.20260618.1...v1.20260619.1
Full Changelog: https://github.com/cloudflare/workerd/compare/v1.20260617.1...v1.20260618.1
Full Changelog: https://github.com/cloudflare/workerd/compare/v1.20260617.1...v1.20260618.1
IMAGES-2332: Add all supported transforms to draws by @ns476 in https://github.com/cloudflare/workerd/pull/6805
Full Changelog: https://github.com/cloudflare/workerd/compare/v1.20260616.1...v1.20260617.1
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2026 05 27 update by @mikea in https://github.com/cloudflare/workerd/pull/6785
Full Changelog: https://github.com/cloudflare/workerd/compare/v1.20260601.1...v1.20260602.1
Full Changelog: https://github.com/cloudflare/workerd/compare/v1.20260531.1...v1.20260601.1
Full Changelog: https://github.com/cloudflare/workerd/compare/v1.20260531.1...v1.20260601.1
Full Changelog: https://github.com/cloudflare/workerd/compare/v1.20260530.1...v1.20260531.1
Full Changelog: https://github.com/cloudflare/workerd/compare/v1.20260530.1...v1.20260531.1
IMAGES-2299: Add types for composite feature by @ns476 in https://github.com/cloudflare/workerd/pull/6786
Full Changelog: https://github.com/cloudflare/workerd/compare/v1.20260529.1...v1.20260530.1
Add AgentMemoryNamespace types scaffold by @petebacondarwin in https://github.com/cloudflare/workerd/pull/6628
Full Changelog: https://github.com/cloudflare/workerd/compare/v1.20260528.1...v1.20260529.1
add BrowserRun types by @Refaerds in https://github.com/cloudflare/workerd/pull/6771
Full Changelog: https://github.com/cloudflare/workerd/compare/v1.20260527.1...v1.20260528.1
[Workflows] Add sensitive step output option by @pombosilva in https://github.com/cloudflare/workerd/pull/6758
Full Changelog: https://github.com/cloudflare/workerd/compare/v1.20260526.1...v1.20260527.1
Your coding agent can read these notes before it upgrades. Set up the MCP server →