npm · #1828 most downloaded on npm

@cloudflare/workerd-linux-64

1.20261004.1cloudflare/workerd ↗New releases in your daily digest, changelog included.

👷 workerd for Linux 64-bit, Cloudflare's JavaScript/Wasm Runtime

Last release today
04 Oct 2026
Ships on a steady schedule
a new release about every 8 days
Nearly every release is documented
notes for 59 of the last 60 stable releases
Nothing withdrawn
no release was ever pulled
4 years old
565 releases · first in 2022

Release timeline

565 releases since 2022

20222023202420252026

20222026

One column per quarter.

Releases

1.20260527.127 May 2026
[Workflows] Add sensitive step output option by @pombosilva in https://github.com/cloudflare/workerd/pull/6758
What's Changed

[Workflows] Add sensitive step output option by @pombosilva in https://github.com/cloudflare/workerd/pull/6758

[Workflows] Add workflowName and schedule to WorkflowEvent by @pombosilva in https://github.com/cloudflare/workerd/pull/6781

Full Changelog: https://github.com/cloudflare/workerd/compare/v1.20260526.1...v1.20260527.1
Open source →
1.20260526.126 May 2026
Fix types for chat-completions models. by @samscott89 in https://github.com/cloudflare/workerd/pull/6778
What's Changed

Fix types for chat-completions models. by @samscott89 in https://github.com/cloudflare/workerd/pull/6778

Full Changelog: https://github.com/cloudflare/workerd/compare/v1.20260525.1...v1.20260526.1
Open source →

1.20260522.122 May 2026

feat(types): add Kimi K2.6 model type by @samscott89 in https://github.com/cloudflare/workerd/pull/6775

What's Changed

feat(types): add Kimi K2.6 model type by @samscott89 in https://github.com/cloudflare/workerd/pull/6775
RAG-1300: Add Web Search binding types by @G4brym in https://github.com/cloudflare/workerd/pull/6768
workflows: rollback types by @vaishnav-mk in https://github.com/cloudflare/workerd/pull/6766

Full Changelog: https://github.com/cloudflare/workerd/compare/v1.20260521.1...v1.20260522.1

Open source →

1.20260519.119 May 2026

feat(types): EMAIL-1692 accept EmailAddress objects in to/cc/bcc by @Skye-31 in https://github.com/cloudflare/workerd/pull/6767

What's Changed

feat(types): EMAIL-1692 accept EmailAddress objects in to/cc/bcc by @Skye-31 in https://github.com/cloudflare/workerd/pull/6767

Full Changelog: https://github.com/cloudflare/workerd/compare/v1.20260518.1...v1.20260519.1

Open source →

1.20260514.114 May 2026

Make wd_tests run in predictable mode by default by @danlapid in https://github.com/cloudflare/workerd/pull/6747

What's Changed

Make wd_tests run in predictable mode by default by @danlapid in https://github.com/cloudflare/workerd/pull/6747
Add traceFlags to SpanContext type definition by @mar-cf in https://github.com/cloudflare/workerd/pull/6751
Bump capnp-cpp past AnyStruct schema change and fix compatibility-date by @harrishancock in https://github.com/cloudflare/workerd/pull/6752
feat: add ArtifactsError type definitions by @dmmulroy in https://github.com/cloudflare/workerd/pull/6710

New Contributors

@dmmulroy made their first contribution in https://github.com/cloudflare/workerd/pull/6710

Full Changelog: https://github.com/cloudflare/workerd/compare/v1.20260511.1...v1.20260514.1

Open source →

1.20260508.18 May 2026

[build] Improve test parallelism through custom resource for socket tests by @fhanau in https://github.com/cloudflare/workerd/pull/6699

What's Changed

[build] Improve test parallelism through custom resource for socket tests by @fhanau in https://github.com/cloudflare/workerd/pull/6699
[rust] extend kj & worker ffi to support "OK" worker. by @mikea in https://github.com/cloudflare/workerd/pull/6723
[Workflows] Add restart from step options by @pombosilva in https://github.com/cloudflare/workerd/pull/6718

Full Changelog: https://github.com/cloudflare/workerd/compare/v1.20260507.1...v1.20260508.1

Open source →

1.20260507.17 May 2026

Fix JSG_TS_OVERRIDE macro corruption from macros by @zakcutner in https://github.com/cloudflare/workerd/pull/6729

What's Changed

Fix JSG_TS_OVERRIDE macro corruption from <stdio.h> macros by @zakcutner in https://github.com/cloudflare/workerd/pull/6729
Add served_by_colo to D1 tracing spans by @lambrospetrou in https://github.com/cloudflare/workerd/pull/6733
Copy tiny crypto buffers eagerly by @erikcorry in https://github.com/cloudflare/workerd/pull/6719
Reverts workflows step rollbacks in workers module by @Caio-Nogueira in https://github.com/cloudflare/workerd/pull/6736

New Contributors

@zakcutner made their first contribution in https://github.com/cloudflare/workerd/pull/6729

Full Changelog: https://github.com/cloudflare/workerd/compare/v1.20260506.1...v1.20260507.1

Open source →

1.20260506.16 May 2026

move v8 version to 14.8 by @dcarney-cf in https://github.com/cloudflare/workerd/pull/6726

What's Changed

move v8 version to 14.8 by @dcarney-cf in https://github.com/cloudflare/workerd/pull/6726
Add optional traceFlags to SpanContext for upstream sampling propagation by @mar-cf in https://github.com/cloudflare/workerd/pull/6576
Add compat-enable-date for process-pth-files by @hoodmane in https://github.com/cloudflare/workerd/pull/6727

Full Changelog: https://github.com/cloudflare/workerd/compare/v1.20260505.1...v1.20260506.1

Open source →

1.20260505.15 May 2026

Don't include package import context if pth files compat flag is set by @hoodmane in https://github.com/cloudflare/workerd/pull/6714

What's Changed

Don't include package import context if pth files compat flag is set by @hoodmane in https://github.com/cloudflare/workerd/pull/6714
worker-loader: fix potential crash with JSON modules by @git-bruh in https://github.com/cloudflare/workerd/pull/6711
Tweak jsRpcSession() to avoid need for ServerTopLevelMembrane. by @kentonv in https://github.com/cloudflare/workerd/pull/6717
Fix ActorClass channel numbering for dynamic workers. by @kentonv in https://github.com/cloudflare/workerd/pull/6720
Update dependencies by @workers-devprod in https://github.com/cloudflare/workerd/pull/6721
Delete code: The Fiddle is no more. by @kentonv in https://github.com/cloudflare/workerd/pull/6722

Full Changelog: https://github.com/cloudflare/workerd/compare/v1.20260504.1...v1.20260505.1

Open source →

1.20260502.12 May 2026

Revert requestTermination change by @erikcorry in https://github.com/cloudflare/workerd/pull/6626

What's Changed

Revert requestTermination change by @erikcorry in https://github.com/cloudflare/workerd/pull/6626
Refactor: Move setupPythonSearchPath to its own file by @hoodmane in https://github.com/cloudflare/workerd/pull/6709
update-deps.py: support patches in bazel_dep dependencies by @mikea in https://github.com/cloudflare/workerd/pull/6713
Python: Add autogate to call abortIsolate on a fatal error by @hoodmane in https://github.com/cloudflare/workerd/pull/6708

Full Changelog: https://github.com/cloudflare/workerd/compare/v1.20260501.1...v1.20260502.1

Open source →

1.20260501.11 May 2026

Fix typo in Python snapshot generation workflow by @ryanking13 in https://github.com/cloudflare/workerd/pull/6693

What's Changed

Fix typo in Python snapshot generation workflow by @ryanking13 in https://github.com/cloudflare/workerd/pull/6693
GC stress mode by @erikcorry in https://github.com/cloudflare/workerd/pull/6681
Move package entropy import patches to their own separate file by @hoodmane in https://github.com/cloudflare/workerd/pull/6696
Tidy up python build script before 314 upgrade by @ryanking13 in https://github.com/cloudflare/workerd/pull/6694
fix: populate localAddress on connect handler Socket by @fhanau in https://github.com/cloudflare/workerd/pull/6688
Websockets: Wrap the ongoingAutoResponse so it gets destructed on the… by @erikcorry in https://github.com/cloudflare/workerd/pull/6637

Full Changelog: https://github.com/cloudflare/workerd/compare/v1.20260430.1...v1.20260501.1

Open source →

1.20260430.130 Apr 2026

Fix UaF with captured this by @erikcorry in https://github.com/cloudflare/workerd/pull/6682

What's Changed

Fix UaF with captured this by @erikcorry in https://github.com/cloudflare/workerd/pull/6682
containers: Keep sidecar warm across destroy/start by @tewaro in https://github.com/cloudflare/workerd/pull/6670
Improve error for fetch on top-level with dedicated snapshot by @hoodmane in https://github.com/cloudflare/workerd/pull/6654
workers-sdk: Use Node 22 by @hoodmane in https://github.com/cloudflare/workerd/pull/6697
EW-6888 Improve finishScheduled() outcome reporting by @fhanau in https://github.com/cloudflare/workerd/pull/6606
Process pth files in python_modules by @hoodmane in https://github.com/cloudflare/workerd/pull/6687

Full Changelog: https://github.com/cloudflare/workerd/compare/v1.20260429.1...v1.20260430.1

Open source →

1.20260429.129 Apr 2026

Add a container inspect API to read labels by @gpanders in https://github.com/cloudflare/workerd/pull/6631

What's Changed

Add a container inspect API to read labels by @gpanders in https://github.com/cloudflare/workerd/pull/6631
Allow wd_rust_crate to override test size; bump jsg-test to large by @harrishancock in https://github.com/cloudflare/workerd/pull/6674
Add .rollback() api for workflow step promises by @vaishnav-mk in https://github.com/cloudflare/workerd/pull/6330
Add .rollback() api for workflow step promises by @LuisDuarte1 in https://github.com/cloudflare/workerd/pull/6525
Report internalError outcome for overloaded exceptions by @fhanau in https://github.com/cloudflare/workerd/pull/6668
Fix remaining object serialization callsites by @Ankcorn in https://github.com/cloudflare/workerd/pull/6672
Remove R2 admin binding by @danlapid in https://github.com/cloudflare/workerd/pull/6676
Update dependencies by @workers-devprod in https://github.com/cloudflare/workerd/pull/6677
chore: avoid skipping daily release after DevProd dependency updates by @edmundhung in https://github.com/cloudflare/workerd/pull/6684
Implement abortIsolate() in cloudflare:workers module by @hoodmane in https://github.com/cloudflare/workerd/pull/6382
Remove SetupEmscripten C++ code by @hoodmane in https://github.com/cloudflare/workerd/pull/6658

Full Changelog: https://github.com/cloudflare/workerd/compare/v1.20260426.1...v1.20260429.1

Open source →

1.20260426.126 Apr 2026Deprecated

ClearWeak api is deprecated use ClearWeak instead by @tewaro in https://github.com/cloudflare/workerd/pull/6669

What's Changed

Special path user generated spans by @danlapid in https://github.com/cloudflare/workerd/pull/6667
ClearWeak api is deprecated use ClearWeak<void> instead by @tewaro in https://github.com/cloudflare/workerd/pull/6669

Full Changelog: https://github.com/cloudflare/workerd/compare/v1.20260425.1...v1.20260426.1

Open source →

1.20260425.125 Apr 2026Deprecated

Create primaryStub and deprecate 'primary' field. by @jtolio in https://github.com/cloudflare/workerd/pull/6663

What's Changed

Fix jsrpc STW onset.info serialization by @Ankcorn in https://github.com/cloudflare/workerd/pull/6662
Further debugging for external pushers. by @kentonv in https://github.com/cloudflare/workerd/pull/6660
Attribute non-span tail events to the current user span by @danlapid in https://github.com/cloudflare/workerd/pull/6656
Create primaryStub and deprecate 'primary' field. by @jtolio in https://github.com/cloudflare/workerd/pull/6663
Move experimental configureReadReplication from ctx.storage to ctx. by @jtolio in https://github.com/cloudflare/workerd/pull/6649
Deprecate ensureReplicas/disableReplicas. by @jtolio in https://github.com/cloudflare/workerd/pull/6638
Refactor to add minor Wasm wrapper adjustments by @guybedford in https://github.com/cloudflare/workerd/pull/6659
[rust] worker interface by @mikea in https://github.com/cloudflare/workerd/pull/6621
Reapply "CACHE-13504: remove gate from request cf" by @tewaro in https://github.com/cloudflare/workerd/pull/6666

Full Changelog: https://github.com/cloudflare/workerd/compare/v1.20260424.1...v1.20260425.1

Open source →

1.20260424.124 Apr 2026

[build] Adopt build without vendored Rust files by @fhanau in https://github.com/cloudflare/workerd/pull/6643

What's Changed

[build] Adopt build without vendored Rust files by @fhanau in https://github.com/cloudflare/workerd/pull/6643
Try to debug "pushed external is not a byte stream". by @kentonv in https://github.com/cloudflare/workerd/pull/6648
Support 'primary-only' routing mode on workerd by @jtolio in https://github.com/cloudflare/workerd/pull/6629
[build] Update Rust, workerd-cxx by @fhanau in https://github.com/cloudflare/workerd/pull/6646
Dead code removal: remove no longer used implementations of send and sendBatch by @KennethRuan in https://github.com/cloudflare/workerd/pull/6590

Full Changelog: https://github.com/cloudflare/workerd/compare/v1.20260423.1...v1.20260424.1

Open source →

1.20260422.223 Apr 2026

Propagate worker user span context by @mar-cf in https://github.com/cloudflare/workerd/pull/6515

What's Changed

Propagate worker user span context by @mar-cf in https://github.com/cloudflare/workerd/pull/6515
Implement a user tracing API for custom spans by @danlapid in https://github.com/cloudflare/workerd/pull/6608
Implements Python startup and internal error metrics for HMD. by @dom96 in https://github.com/cloudflare/workerd/pull/6603
Report Extended Code by @zachlefevre in https://github.com/cloudflare/workerd/pull/6587
[o11y] Add internalError event outcome by @fhanau in https://github.com/cloudflare/workerd/pull/6589
Adjust the auto allocate chunk size default with autogate by @jasnell in https://github.com/cloudflare/workerd/pull/6640
Try fixing an ownership issue in streams by @jasnell in https://github.com/cloudflare/workerd/pull/6634
pin OpenCode to "1.4.6" by @elithrar in https://github.com/cloudflare/workerd/pull/6641
fix(diagnostics_channel): make channel.hasSubscribers a getter property by @prydt in https://github.com/cloudflare/workerd/pull/6601
fix: define captureRejections properly by @guybedford in https://github.com/cloudflare/workerd/pull/6635
CACHE-13504: remove gate from request cf by @tewaro in https://github.com/cloudflare/workerd/pull/6630
Revert "CACHE-13504: remove gate from request cf" by @danlapid in https://github.com/cloudflare/workerd/pull/6642

Full Changelog: https://github.com/cloudflare/workerd/compare/v1.20260422.1...v1.20260422.2

Open source →

1.20260422.122 Apr 2026

compat date for nonretryable release by @tewaro in https://github.com/cloudflare/workerd/pull/6627

What's Changed

compat date for nonretryable release by @tewaro in https://github.com/cloudflare/workerd/pull/6627
Gate googlesource cookie setup on cookie presence by @ascorbic in https://github.com/cloudflare/workerd/pull/6618
Add opencode command for creating compat flag docs PR by @jasnell in https://github.com/cloudflare/workerd/pull/6519
Add github action to verify compat flags have docs by @jasnell in https://github.com/cloudflare/workerd/pull/6518
[build] Update to Bazel 9.1.0, perform build cleanup by @fhanau in https://github.com/cloudflare/workerd/pull/6622
[o11y] Introduce distinct event type for STW events by @fhanau in https://github.com/cloudflare/workerd/pull/6594
Improve ctx.cache ergonomics by @tewaro in https://github.com/cloudflare/workerd/pull/6588
Fix serialization of functions from import_js_module by @hoodmane in https://github.com/cloudflare/workerd/pull/6632

New Contributors

@ascorbic made their first contribution in https://github.com/cloudflare/workerd/pull/6618

Full Changelog: https://github.com/cloudflare/workerd/compare/v1.20260421.1...v1.20260422.1

Open source →

1.20260421.121 Apr 2026

ByobBuffer, rename minBytes to minElements by @erikcorry in https://github.com/cloudflare/workerd/pull/6585

What's Changed

ByobBuffer, rename minBytes to minElements by @erikcorry in https://github.com/cloudflare/workerd/pull/6585
[types] Add more to Workflow step context by @pombosilva in https://github.com/cloudflare/workerd/pull/6523
BYOB: Protect against shenanigans in size callback by @erikcorry in https://github.com/cloudflare/workerd/pull/6613
Change some memcpy to memmove by @erikcorry in https://github.com/cloudflare/workerd/pull/6616
Fix handling for X509 Certificates using EC algorithms by @AndrewKahr in https://github.com/cloudflare/workerd/pull/6522
node: replace nbytes with simdutf for base64 decoding by @Aaron-json in https://github.com/cloudflare/workerd/pull/6497
Fix ExternalPusherImpl so it doesn't care about ordering. by @kentonv in https://github.com/cloudflare/workerd/pull/6607
Update dependencies by @workers-devprod in https://github.com/cloudflare/workerd/pull/6619
EW-9372 EW-9455 [o11y] Report SpanOpen as soon as available, remove CompleteSpan by @fhanau in https://github.com/cloudflare/workerd/pull/6051
[build] unpin rules_rust by @mikea in https://github.com/cloudflare/workerd/pull/6620

New Contributors

@AndrewKahr made their first contribution in https://github.com/cloudflare/workerd/pull/6522
@Aaron-json made their first contribution in https://github.com/cloudflare/workerd/pull/6497

Full Changelog: https://github.com/cloudflare/workerd/compare/v1.20260420.1...v1.20260421.1

Open source →

1.20260418.118 Apr 2026Deprecated

Create configureReadReplication and deprecate ensureReplicas/disableReplicas by @jtolio in https://github.com/cloudflare/workerd/pull/6555

What's Changed

Add deleteAllDurableObjects() to workerd:unsafe by @penalosa in https://github.com/cloudflare/workerd/pull/6357
feat: add Artifacts binding TypeScript definitions by @mattzcarey in https://github.com/cloudflare/workerd/pull/6508
feat: add Artifacts binding TypeScript definitions by @dario-piotrowicz in https://github.com/cloudflare/workerd/pull/6593
Create configureReadReplication and deprecate ensureReplicas/disableReplicas by @jtolio in https://github.com/cloudflare/workerd/pull/6555
fix: Remove confusing zoneTag from CachePurgeResult by @tewaro in https://github.com/cloudflare/workerd/pull/6600
Use opus 4.7 for reviews by @danlapid in https://github.com/cloudflare/workerd/pull/6598

New Contributors

@mattzcarey made their first contribution in https://github.com/cloudflare/workerd/pull/6508
@jtolio made their first contribution in https://github.com/cloudflare/workerd/pull/6555

Full Changelog: https://github.com/cloudflare/workerd/compare/v1.20260417.1...v1.20260418.1

Open source →

1.20260417.117 Apr 2026

use Exception.clone instead of copy constructor by @mikea in https://github.com/cloudflare/workerd/pull/6493

What's Changed

use Exception.clone instead of copy constructor by @mikea in https://github.com/cloudflare/workerd/pull/6493

Full Changelog: https://github.com/cloudflare/workerd/compare/v1.20260416.2...v1.20260417.1

Open source →

1.20260416.216 Apr 2026

Improve Node.js compatibility for process, fs, http, events, and navigator by @danlapid in https://github.com/cloudflare/workerd/pull/6575

What's Changed

Improve Node.js compatibility for process, fs, http, events, and navigator by @danlapid in https://github.com/cloudflare/workerd/pull/6575

Full Changelog: https://github.com/cloudflare/workerd/compare/v1.20260416.1...v1.20260416.2

Open source →

1.20260416.116 Apr 2026

Add typings guidance to AGENTS.md based on review patterns by @petebacondarwin in https://github.com/cloudflare/workerd/pull/6548

What's Changed

Add typings guidance to AGENTS.md based on review patterns by @petebacondarwin in https://github.com/cloudflare/workerd/pull/6548
Add UAF regression test for Response body with transferred ArrayBuffer by @erikcorry in https://github.com/cloudflare/workerd/pull/6579
Remove experimental gate from Queues metrics APIs by @KennethRuan in https://github.com/cloudflare/workerd/pull/6557
Update AI Search binding types to match implementation by @G4brym in https://github.com/cloudflare/workerd/pull/6541
refactor: rename Flags type to Flagship and prefix exported types by @roerohan in https://github.com/cloudflare/workerd/pull/6584

Full Changelog: https://github.com/cloudflare/workerd/compare/v1.20260415.1...v1.20260416.1

Open source →

1.20260415.115 Apr 2026

Make wpt:encoding a large test by @erikcorry in https://github.com/cloudflare/workerd/pull/6578

What's Changed

Make wpt:encoding a large test by @erikcorry in https://github.com/cloudflare/workerd/pull/6578
Send SQLite errors to DO sentry by @danlapid in https://github.com/cloudflare/workerd/pull/6563
Tunnel debug port RPC errors to callers by @penalosa in https://github.com/cloudflare/workerd/pull/6507
Improve event outcome handling by @fhanau in https://github.com/cloudflare/workerd/pull/6542

Full Changelog: https://github.com/cloudflare/workerd/compare/v1.20260414.1...v1.20260415.1

Open source →

1.20260414.114 Apr 2026

Custom limits for dynamic workers by @git-bruh in https://github.com/cloudflare/workerd/pull/6399

What's Changed

Custom limits for dynamic workers by @git-bruh in https://github.com/cloudflare/workerd/pull/6399
Compile SQLite with SQLITE_OMIT_SHARED_CACHE by @joshthoward in https://github.com/cloudflare/workerd/pull/6569
Defer TCP socket connect() until DO output gate clears. by @vaibhavSharma-cf in https://github.com/cloudflare/workerd/pull/6533
Increase sqlite3_hard_heap_limit64 to 8 GiB behind an autogate by @joshthoward in https://github.com/cloudflare/workerd/pull/6570
Remove pre-push code formatting hook by @npaun in https://github.com/cloudflare/workerd/pull/6571
update-deps: Only add dep related changes to commit by @npaun in https://github.com/cloudflare/workerd/pull/6573
[o11y] Avoid tail stream cancellation warning with empty handler by @fhanau in https://github.com/cloudflare/workerd/pull/6560
Prevent unbounded alarm scheduling promise chain in ActorSqlite. by @vaibhavSharma-cf in https://github.com/cloudflare/workerd/pull/6383
Update dependencies by @workers-devprod in https://github.com/cloudflare/workerd/pull/6574

New Contributors

@vaibhavSharma-cf made their first contribution in https://github.com/cloudflare/workerd/pull/6533

Full Changelog: https://github.com/cloudflare/workerd/compare/v1.20260413.1...v1.20260414.1

Open source →

1.20260412.112 Apr 2026

Make __instance_signal and __instance_terminated fully indepedent by @logan-gatlin in https://github.com/cloudflare/workerd/pull/6270

What's Changed

Make __instance_signal and __instance_terminated fully indepedent by @logan-gatlin in https://github.com/cloudflare/workerd/pull/6270
EW-10529 Route OutgoingFactory subrequests through getSubrequestNoChecks by @harrishancock in https://github.com/cloudflare/workerd/pull/6513

Full Changelog: https://github.com/cloudflare/workerd/compare/v1.20260411.1...v1.20260412.1

Open source →

1.20260411.111 Apr 2026

Cache purge stub by @tewaro in https://github.com/cloudflare/workerd/pull/6465

What's Changed

Cache purge stub by @tewaro in https://github.com/cloudflare/workerd/pull/6465
ensure worker stub subrequest channel is kept alive until internal startRequest call by @git-bruh in https://github.com/cloudflare/workerd/pull/6547
Abandon alarms that are deleted due too many retries by @jqmmes in https://github.com/cloudflare/workerd/pull/6396
Meter memory for SQLite on a per-DO basis by @joshthoward in https://github.com/cloudflare/workerd/pull/6380
Revert "Increase the default auto alllocate chunk size" by @jasnell in https://github.com/cloudflare/workerd/pull/6552
Update AI types by @samscott89 in https://github.com/cloudflare/workerd/pull/6535
nothrow for move constructors by @mikea in https://github.com/cloudflare/workerd/pull/6536
Fix remaining use-after-free in dynamic worker loading (worker_loaders) by @airhorns in https://github.com/cloudflare/workerd/pull/6553
[build] Fix clangd under macOS, speed up CI slightly by @fhanau in https://github.com/cloudflare/workerd/pull/6556

New Contributors

@git-bruh made their first contribution in https://github.com/cloudflare/workerd/pull/6547
@samscott89 made their first contribution in https://github.com/cloudflare/workerd/pull/6535
@airhorns made their first contribution in https://github.com/cloudflare/workerd/pull/6553

Full Changelog: https://github.com/cloudflare/workerd/compare/v1.20260410.1...v1.20260411.1

Open source →

1.20260410.110 Apr 2026

Remove explicit unknown type parameter from MessageBatch in queue… by @tewaro in https://github.com/cloudflare/workerd/pull/6520

What's Changed

Remove explicit unknown type parameter from MessageBatch in queue… by @tewaro in https://github.com/cloudflare/workerd/pull/6520
Update v8 to 14.7 by @vickykont in https://github.com/cloudflare/workerd/pull/6509
Add regression test for Object.getOwnPropertyDescriptors with JSG_INSPECT_PROPERTY by @harrishancock in https://github.com/cloudflare/workerd/pull/6538
Copy BufferSource data in Body::extractBody per Fetch spec by @erikcorry in https://github.com/cloudflare/workerd/pull/6540
Support AbortSignal in AI Gateway binding. by @kentonv in https://github.com/cloudflare/workerd/pull/6537
Set broken.ignored no such actor class is IS_USER_ERROR by @jqmmes in https://github.com/cloudflare/workerd/pull/6503

Full Changelog: https://github.com/cloudflare/workerd/compare/v1.20260409.1...v1.20260410.1

Open source →

1.20260409.19 Apr 2026

containers: WebSocket wrapper needs to implement connect() to support Workers TCP ingress by @gabivlj in https://github.com/cloudflare/workerd/pull/64

What's Changed

containers: WebSocket wrapper needs to implement connect() to support Workers TCP ingress by @gabivlj in https://github.com/cloudflare/workerd/pull/6495
Fix experimental queue metrics hanging with missing body size by @tewaro in https://github.com/cloudflare/workerd/pull/6521
Tankcorn/preview observability streaming by @Ankcorn in https://github.com/cloudflare/workerd/pull/6524
[o11y] Fix tail worker test with unstable and incomplete outcome by @fhanau in https://github.com/cloudflare/workerd/pull/6517
Make SqlStorage::isAllowedName case-insensitive and enforce it on virtual tables (FTS5) by @maxmcd in https://github.com/cloudflare/workerd/pull/6512
Parse W3C traceparent into SpanContext by @mar-cf in https://github.com/cloudflare/workerd/pull/6496
Partial revert of googlesource auth changes by @npaun in https://github.com/cloudflare/workerd/pull/6529
containers: In local dev, we should be able to set dns-servers to have predictable /etc/resolv.conf across platforms by @gabivlj in https://github.com/cloudflare/workerd/pull/6526
feat: add binding for flag evaluation by @roerohan in https://github.com/cloudflare/workerd/pull/6456
Increase the default auto alllocate chunk size by @jasnell in https://github.com/cloudflare/workerd/pull/6534
codeowners: @cloudflare/cloudchamber added to container-client related files by @gabivlj in https://github.com/cloudflare/workerd/pull/6532

New Contributors

@roerohan made their first contribution in https://github.com/cloudflare/workerd/pull/6456

Full Changelog: https://github.com/cloudflare/workerd/compare/v1.20260408.1...v1.20260409.1

Open source →

1.20260408.18 Apr 2026

Configure auth for googlesource.com by @npaun in https://github.com/cloudflare/workerd/pull/6511

What's Changed

Configure auth for googlesource.com by @npaun in https://github.com/cloudflare/workerd/pull/6511
Explain googlesource.com authentication by @npaun in https://github.com/cloudflare/workerd/pull/6514
Unmark DO facets as experimental. by @kentonv in https://github.com/cloudflare/workerd/pull/6505
Fixup Blob handling with resizable arraybuffer by @jasnell in https://github.com/cloudflare/workerd/pull/6504

Full Changelog: https://github.com/cloudflare/workerd/compare/v1.20260407.1...v1.20260408.1

Open source →

1.20260405.15 Apr 2026

Revert "Add compat flag to prevent creating Blob with resizable Array… by @jasnell in https://github.com/cloudflare/workerd/pull/6499

What's Changed

Revert "Add compat flag to prevent creating Blob with resizable Array… by @jasnell in https://github.com/cloudflare/workerd/pull/6499

Full Changelog: https://github.com/cloudflare/workerd/compare/v1.20260404.1...v1.20260405.1

Open source →

1.20260404.14 Apr 2026

Fixup a couple small new module registry nits by @jasnell in https://github.com/cloudflare/workerd/pull/6492

What's Changed

Fixup a couple small new module registry nits by @jasnell in https://github.com/cloudflare/workerd/pull/6492
just update-deps capnp-cpp by @mikea in https://github.com/cloudflare/workerd/pull/6335

Full Changelog: https://github.com/cloudflare/workerd/compare/v1.20260403.1...v1.20260404.1

Open source →

1.20260403.13 Apr 2026

Fixup consumer ref in backpressure update by @jasnell in https://github.com/cloudflare/workerd/pull/6482

What's Changed

Fixup consumer ref in backpressure update by @jasnell in https://github.com/cloudflare/workerd/pull/6482
User errors in alarms are marked as retryCountsAgainstLimit by @jqmmes in https://github.com/cloudflare/workerd/pull/6443
Limit VFS symlink depth by @jasnell in https://github.com/cloudflare/workerd/pull/6485
containers: Add a way to intercept TCP connections from containers by @gabivlj in https://github.com/cloudflare/workerd/pull/6480
Improvements to MimeType by @jasnell in https://github.com/cloudflare/workerd/pull/6487
Improve handling of resizable arraybuffer in responses/requests by @jasnell in https://github.com/cloudflare/workerd/pull/6484
Reclassify actor-class-as-entrypoint error as JSG TypeError by @anna-cf in https://github.com/cloudflare/workerd/pull/6400
Migrate R2Bucket hash properties from jsg::BufferSource by @jasnell in https://github.com/cloudflare/workerd/pull/6490
Migrate container from using BufferSource by @jasnell in https://github.com/cloudflare/workerd/pull/6491
Address new module registry fallback issues by @jasnell in https://github.com/cloudflare/workerd/pull/6489

Full Changelog: https://github.com/cloudflare/workerd/compare/v1.20260402.1...v1.20260403.1

Open source →

1.20260402.12 Apr 2026Deprecated

Account for deprecated GetPrototypeV2() and HolderV2() in v8 14.7 by @vickykont in https://github.com/cloudflare/workerd/pull/6470

What's Changed

containers: Get HTTPS out of experimental by @gabivlj in https://github.com/cloudflare/workerd/pull/6459
Account for deprecated GetPrototypeV2() and HolderV2() in v8 14.7 by @vickykont in https://github.com/cloudflare/workerd/pull/6470
Document async FFI and error handling patterns in Rust AGENTS.md by @harrishancock in https://github.com/cloudflare/workerd/pull/6473
add support for traceable collections to Rust by @anonrig in https://github.com/cloudflare/workerd/pull/6384
IMAGES-2139: switch images binding to a chainable handle by @mglewis in https://github.com/cloudflare/workerd/pull/6288
make exception copy explicit or completely avoid it by @mikea in https://github.com/cloudflare/workerd/pull/6478
Implement exec() in containers by @gabivlj in https://github.com/cloudflare/workerd/pull/6457
Change Queues oldestMessageTimestamp to use kj::Date by @npaun in https://github.com/cloudflare/workerd/pull/6481
Multiple improvements to blob implementation by @jasnell in https://github.com/cloudflare/workerd/pull/6466

Full Changelog: https://github.com/cloudflare/workerd/compare/v1.20260401.1...v1.20260402.1

Open source →

1.20260401.11 Apr 2026

Additional new module registry tweaks by @jasnell in https://github.com/cloudflare/workerd/pull/6462

What's Changed

Additional new module registry tweaks by @jasnell in https://github.com/cloudflare/workerd/pull/6462
add ArrayBuffer, ArrayBufferView, SharedArrayBuffer, and BackingStore to Rust JSG by @anonrig in https://github.com/cloudflare/workerd/pull/6398
Remove experimental gate from snapshots API by @gpanders in https://github.com/cloudflare/workerd/pull/6464
STREAM-6735: change input types on watermarks and captions to ReadableStream by @natewong1313 in https://github.com/cloudflare/workerd/pull/6467
Changing conditional etag parsing from recursive to iterative + other improvements by @jasnell in https://github.com/cloudflare/workerd/pull/6469

Full Changelog: https://github.com/cloudflare/workerd/compare/v1.20260331.1...v1.20260401.1

Open source →

1.20260331.131 Mar 2026

feat: update AI Search type definitions for new binding by @G4brym in https://github.com/cloudflare/workerd/pull/6390

What's Changed

feat: update AI Search type definitions for new binding by @G4brym in https://github.com/cloudflare/workerd/pull/6390
Add preview metadata to buffered tail traces by @Ankcorn in https://github.com/cloudflare/workerd/pull/6375
add instance/prototype properties to rust JSG by @anonrig in https://github.com/cloudflare/workerd/pull/6401
Remove repeated setTag by @sohpeach in https://github.com/cloudflare/workerd/pull/6431
Support AbortSignal in AI binding. by @kentonv in https://github.com/cloudflare/workerd/pull/6379
New module registry fixes by @jasnell in https://github.com/cloudflare/workerd/pull/6423
Add API for "full" container snapshots by @gpanders in https://github.com/cloudflare/workerd/pull/6430
03-30-26 Bazel cleanup by @fhanau in https://github.com/cloudflare/workerd/pull/6458
Update dependencies by @workers-devprod in https://github.com/cloudflare/workerd/pull/6463
Log invalid use of cf table prefix by @maxmcd in https://github.com/cloudflare/workerd/pull/6448
Replace the python package URL to R2 by @ryanking13 in https://github.com/cloudflare/workerd/pull/6410

New Contributors

@Ankcorn made their first contribution in https://github.com/cloudflare/workerd/pull/6375

Full Changelog: https://github.com/cloudflare/workerd/compare/v1.20260329.1...v1.20260331.1

Open source →

1.20260329.129 Mar 2026

Suggest @cloudflare/worker-loader when trying to load .ts, .tsx, or .jsx modules in worker-loader.c++ by @jahands in https://github.com/cloudflare/wor

What's Changed

Suggest @cloudflare/worker-loader when trying to load .ts, .tsx, or .jsx modules in worker-loader.c++ by @jahands in https://github.com/cloudflare/workerd/pull/6429
[build] Fix Windows build, run Windows test CI job in release configuration by @fhanau in https://github.com/cloudflare/workerd/pull/6452

New Contributors

@jahands made their first contribution in https://github.com/cloudflare/workerd/pull/6429

Full Changelog: https://github.com/cloudflare/workerd/compare/v1.20260328.1...v1.20260329.1

Open source →

1.20260317.117 Mar 2026

save 8 bytes per wrappable instance by @anonrig in https://github.com/cloudflare/workerd/pull/6315

What's Changed

save 8 bytes per wrappable instance by @anonrig in https://github.com/cloudflare/workerd/pull/6315
Have node-internal Buffer use JsUint8Array instead of BufferSource by @jasnell in https://github.com/cloudflare/workerd/pull/6326
Skip logging script startup exceptions for dynamic workers by @ketanhwr in https://github.com/cloudflare/workerd/pull/6332
Check for isolate termination in iterating C++ callbacks by @erikcorry in https://github.com/cloudflare/workerd/pull/6331
Update dependencies by @workers-devprod in https://github.com/cloudflare/workerd/pull/6336
use ValueLessParameter concept for requiredArgumentCount by @anonrig in https://github.com/cloudflare/workerd/pull/6310

Full Changelog: https://github.com/cloudflare/workerd/compare/v1.20260316.1...v1.20260317.1

Open source →

1.20260316.116 Mar 2026

Update README.md to remove beta warning by @kentonv in https://github.com/cloudflare/workerd/pull/6327

What's Changed

Update README.md to remove beta warning by @kentonv in https://github.com/cloudflare/workerd/pull/6327

Full Changelog: https://github.com/cloudflare/workerd/compare/v1.20260315.1...v1.20260316.1

Open source →

1.20260313.113 Mar 2026

[build] 03-11-26 build maintenance by @fhanau in https://github.com/cloudflare/workerd/pull/6302

What's Changed

[build] 03-11-26 build maintenance by @fhanau in https://github.com/cloudflare/workerd/pull/6302
handle RSA_R_KEY_SIZE_TOO_SMALL error by @anonrig in https://github.com/cloudflare/workerd/pull/6309
Update capnproto with HTTP CVE fixes. by @kentonv in https://github.com/cloudflare/workerd/pull/6308
Add type definitions for Stream Workers bindings by @natewong1313 in https://github.com/cloudflare/workerd/pull/6099
Add an allocator for external strings by @dcarney-cf in https://github.com/cloudflare/workerd/pull/6307
fix X509Certificate::parse() throwing internal error for invalid input by @anonrig in https://github.com/cloudflare/workerd/pull/6313
use v8 copy constructor for v8 global by @anonrig in https://github.com/cloudflare/workerd/pull/6312
handle RSA_R_INTERNAL_ERROR as a user-facing error by @anonrig in https://github.com/cloudflare/workerd/pull/6314

New Contributors

@natewong1313 made their first contribution in https://github.com/cloudflare/workerd/pull/6099

Full Changelog: https://github.com/cloudflare/workerd/compare/v1.20260312.1...v1.20260313.1

Open source →

1.20260312.112 Mar 2026

v8 14.6 by @mikea in https://github.com/cloudflare/workerd/pull/6244

What's Changed

v8 14.6 by @mikea in https://github.com/cloudflare/workerd/pull/6244
Fire close event for server WebSocket close, with allowHalfOpen opt-out. by @anonrig in https://github.com/cloudflare/workerd/pull/6197
add jsg_static_constant to rust jsg by @anonrig in https://github.com/cloudflare/workerd/pull/6284
add digest to docker image by @anonrig in https://github.com/cloudflare/workerd/pull/6287
fix: prevent double decompression in node:http by disabling fetch auto-decode by @petebacondarwin in https://github.com/cloudflare/workerd/pull/6289
[build] Update perfetto, enable proto toolchain resolution by @fhanau in https://github.com/cloudflare/workerd/pull/6245
containers: Make sure we use the right signal property for tests, and pick random DO names so concurrent tests do not overlap. by @gabivlj in https://github.com/cloudflare/workerd/pull/6290
expose ctx.version to workers with the enable_version_api compat flag by @sohpeach in https://github.com/cloudflare/workerd/pull/6283
Update dependencies by @workers-devprod in https://github.com/cloudflare/workerd/pull/6291
feat: HttpHeaderId from c -> rust -> c pass through by @tewaro in https://github.com/cloudflare/workerd/pull/6251
fix zlib throwing memory limit exceeded by @anonrig in https://github.com/cloudflare/workerd/pull/6294
feat: Add origin header to ThreadContext::HeaderIdBundle for internal… by @tewaro in https://github.com/cloudflare/workerd/pull/6297
fix: don't warn on .text() usage with image/svg+xml by @Cherry in https://github.com/cloudflare/workerd/pull/6269
containers: Always run container egress/ingress sidecar, and make ingress go through it by @gabivlj in https://github.com/cloudflare/workerd/pull/6292
always enable KJ_IREQUIRE checks by @mikea in https://github.com/cloudflare/workerd/pull/6304
Revert "Fix Python ASGI adaptor to handle streaming responses correctly" by @dom96 in https://github.com/cloudflare/workerd/pull/6305
add v8::Function to rust jsg by @anonrig in https://github.com/cloudflare/workerd/pull/6293

Full Changelog: https://github.com/cloudflare/workerd/compare/v1.20260310.1...v1.20260312.1

Open source →

1.20260310.110 Mar 2026

Fixup AsyncContextFrame gc tracing by @jasnell in https://github.com/cloudflare/workerd/pull/6274

What's Changed

Fixup AsyncContextFrame gc tracing by @jasnell in https://github.com/cloudflare/workerd/pull/6274
fix use-after-free in ContainerClient decodeJsonResponse() by @anonrig in https://github.com/cloudflare/workerd/pull/6275
add Props generic to ExportedHandler for ExecutionContext by @deathbyknowledge in https://github.com/cloudflare/workerd/pull/5989
containers: intercept http gets out of experimental land by @gabivlj in https://github.com/cloudflare/workerd/pull/6278
add static method support to rust jsg by @anonrig in https://github.com/cloudflare/workerd/pull/6279
update opencode deps by @anonrig in https://github.com/cloudflare/workerd/pull/6280
Add workflowsPreserveNonRetryableErrorMessage compat flag by @vaishnav-mk in https://github.com/cloudflare/workerd/pull/6252
increase WebSocket attachment size limit from 2KB to 16KB by @threepointone in https://github.com/cloudflare/workerd/pull/6141
add FeatureFlags support to jsg rust by @anonrig in https://github.com/cloudflare/workerd/pull/6281

New Contributors

@deathbyknowledge made their first contribution in https://github.com/cloudflare/workerd/pull/5989
@vaishnav-mk made their first contribution in https://github.com/cloudflare/workerd/pull/6252
@threepointone made their first contribution in https://github.com/cloudflare/workerd/pull/6141

Full Changelog: https://github.com/cloudflare/workerd/compare/v1.20260307.1...v1.20260310.1

Open source →