Cloudflare workerd

What's Changed

• Change dependency update time to match on-call schedules by @npaun in https://github.com/cloudflare/workerd/pull/6235
• Remove blob input stream autogate by @jasnell in https://github.com/cloudflare/workerd/pull/6236
• Add MySQL port to Hyperdrive binding by @prydt in https://github.com/cloudflare/workerd/pull/6195
• containers: Upserting WorkerEntrypoints on egress interception works even for reused HTTP connections by @gabivlj in https://github.com/cloudflare/workerd/pull/6242

Full Changelog: https://github.com/cloudflare/workerd/compare/v1.20260304.1...v1.20260305.1

What's Changed

• Only log internal exceptions in HibernationManagerImpl::acceptWebSocket by @joshthoward in https://github.com/cloudflare/workerd/pull/6224
• Add logger to the Python ASGI module by @ryanking13 in https://github.com/cloudflare/workerd/pull/6186
• improve encoding web spec compliance by @anonrig in https://github.com/cloudflare/workerd/pull/6220
• Remove periodic log statements about calling deleteAll in a DO with an alarm still set by @a-robinson in https://github.com/cloudflare/workerd/pull/6225
• fix EventTarget spec compliance testing by @anonrig in https://github.com/cloudflare/workerd/pull/6223
• Apply multiple safety fixups by @jasnell in https://github.com/cloudflare/workerd/pull/6228
• fix: wasm-tools dependency added incorrectly by @logan-gatlin in https://github.com/cloudflare/workerd/pull/6232

Full Changelog: https://github.com/cloudflare/workerd/compare/v1.20260303.1...v1.20260304.1

What's Changed

• Update dependencies by @workers-devprod in https://github.com/cloudflare/workerd/pull/6132
• add binaryType property to websockets by @anonrig in https://github.com/cloudflare/workerd/pull/6178
• Delete all alarms on abortAllDurableObjects() by @mrbbot in https://github.com/cloudflare/workerd/pull/1918
• Resizable ArrayBuffer Fixups by @jasnell in https://github.com/cloudflare/workerd/pull/6214
• fix v8 paths on compile_flags.txt by @anonrig in https://github.com/cloudflare/workerd/pull/6216
• Fixup lamba capture in stream AllReader by @jasnell in https://github.com/cloudflare/workerd/pull/6218
• improve container-client tests by @anonrig in https://github.com/cloudflare/workerd/pull/6217
• improve spec compliance on WritableStreamDefaultWriterRelease by @anonrig in https://github.com/cloudflare/workerd/pull/6219
• Restore strong captures in internal stream read callbacks to prevent UAF by @dknecht in https://github.com/cloudflare/workerd/pull/6202
• containers: Cancel async destruction from ContainerClient if a new ContainerClient takes over, and be able to recover container sidecar proxies by @gabivlj in https://github.com/cloudflare/workerd/pull/6201
• improve text encoder encode performance by @anonrig in https://github.com/cloudflare/workerd/pull/5448
• Use draining read in standard.c++ pumpTo impl by @jasnell in https://github.com/cloudflare/workerd/pull/6119
• Clarify compat flag handling in API review checklist by @jasnell in https://github.com/cloudflare/workerd/pull/6222
• container: Make the canceller identity depend on an autoincreasing integer instead of a pointer, and move ContainerCleanupState as a private class by @gabivlj in https://github.com/cloudflare/workerd/pull/6221
• Signal handling for non-Python WASM modules by @logan-gatlin in https://github.com/cloudflare/workerd/pull/6154

New Contributors

• @logan-gatlin made their first contribution in https://github.com/cloudflare/workerd/pull/6154

Full Changelog: https://github.com/cloudflare/workerd/compare/v1.20260301.1...v1.20260303.1

What's Changed

• remove reserve from untrusted array length by @anonrig in https://github.com/cloudflare/workerd/pull/6213
• Enable global Performance classes when perf_hooks module is enabled by @petebacondarwin in https://github.com/cloudflare/workerd/pull/6206
• Set a default date for perf_hooks, v8, tty, child_process, worker_threads, readline, repl, and performance classes modules by @petebacondarwin in https://github.com/cloudflare/workerd/pull/6135

Full Changelog: https://github.com/cloudflare/workerd/compare/v1.20260228.1...v1.20260301.1

What's Changed

• Export waitUntil to Python SDK by @ryanking13 in https://github.com/cloudflare/workerd/pull/6187
• Reland "Move wildcard properties to instance template" by @dcarney-cf in https://github.com/cloudflare/workerd/pull/6189
• More ongoing agent refinements by @jasnell in https://github.com/cloudflare/workerd/pull/6180
• Fix Windows SQLITE_CANTOPEN by using native path format by @penalosa in https://github.com/cloudflare/workerd/pull/6110
• containers: Address flakiness by adding an abort signal of 10s in test.js by @gabivlj in https://github.com/cloudflare/workerd/pull/6196
• fix: add Performance.toJSON() and make setResourceTimingBufferSize() a no-op by @petebacondarwin in https://github.com/cloudflare/workerd/pull/6199
• fix TextDecoder streaming to ignore empty chunks by @anonrig in https://github.com/cloudflare/workerd/pull/6212

Full Changelog: https://github.com/cloudflare/workerd/compare/v1.20260227.1...v1.20260228.1

What's Changed

• throw appropriate error on websocket close by @anonrig in https://github.com/cloudflare/workerd/pull/6175
• update capnp and workerd-cxx by @mikea in https://github.com/cloudflare/workerd/pull/6192

Full Changelog: https://github.com/cloudflare/workerd/compare/v1.20260226.1...v1.20260227.1

What's Changed

• Increase internal.c++ AllReader buffer sizes by @jasnell in https://github.com/cloudflare/workerd/pull/6183
• Make WorkerdDebugPort binding synchronous via Cap'n Proto pipelining by @penalosa in https://github.com/cloudflare/workerd/pull/6182
• Refine the opencode v8 update skill by @jasnell in https://github.com/cloudflare/workerd/pull/6184
• add a comment about websocket close test by @anonrig in https://github.com/cloudflare/workerd/pull/6163
• Align bonk review with local review process by @jasnell in https://github.com/cloudflare/workerd/pull/6185
• containers interceptOutboundHttp > Remove the need for workerd-network in workerd, fix bugs for MacOS, simplify by @gabivlj in https://github.com/cloudflare/workerd/pull/6181
• Throw startup exceptions as JSG exceptions for dynamic workers by @ketanhwr in https://github.com/cloudflare/workerd/pull/6191
• containers: Make sure req.url in the worker has format 'http://...' and egress listener should be backed by an atomic boolean to not start it twice by @gabivlj in https://github.com/cloudflare/workerd/pull/6194
• bonk: improve PR review steering by @elithrar in https://github.com/cloudflare/workerd/pull/6150
• fix: reuse HTTP connections in fallback service to prevent port exhaustion by @penalosa in https://github.com/cloudflare/workerd/pull/6115
• Split compat date into release version and maximum compat date by @penalosa in https://github.com/cloudflare/workerd/pull/6190

Full Changelog: https://github.com/cloudflare/workerd/compare/v1.20260305.0...v1.20260226.1

What's Changed

• Fixup node:fs cp into subdirectory by @jasnell in https://github.com/cloudflare/workerd/pull/6168
• enforce close reason byte limit for websockets by @anonrig in https://github.com/cloudflare/workerd/pull/6167
• Handle string max length correctly by @jasnell in https://github.com/cloudflare/workerd/pull/6170
• Correctly handle SharedArrayBuffer with structuredClone by @jasnell in https://github.com/cloudflare/workerd/pull/6169
• Fixup a couple ucs2 alignment issues by @jasnell in https://github.com/cloudflare/workerd/pull/6171
• Revert "Move wildcard properties to instance template" by @mar-cf in https://github.com/cloudflare/workerd/pull/6172
• MQ-1071 Add compatibility enable date for queue_expose_error_codes flag by @tgarg-cf in https://github.com/cloudflare/workerd/pull/6145
• More review agent refinements by @jasnell in https://github.com/cloudflare/workerd/pull/6158
• Document using bool args as an anti-pattern in AGENTS.md by @dom96 in https://github.com/cloudflare/workerd/pull/6174
• Add version+cohort options to durable objects by @maxmcd in https://github.com/cloudflare/workerd/pull/6118
• handle unpaired surrogates on websocket close by @anonrig in https://github.com/cloudflare/workerd/pull/6176
• Restructure agent files for easier maintenance and cleaner org by @jasnell in https://github.com/cloudflare/workerd/pull/6179
• Loopback service stubs accept a dynamic version (cohort) parameter by @sohpeach in https://github.com/cloudflare/workerd/pull/6111
• Add support for Cloudflare Images operations in the images binding by @mglewis in https://github.com/cloudflare/workerd/pull/5912

New Contributors

• @maxmcd made their first contribution in https://github.com/cloudflare/workerd/pull/6118
• @mglewis made their first contribution in https://github.com/cloudflare/workerd/pull/5912

Full Changelog: https://github.com/cloudflare/workerd/compare/v1.20260304.0...v1.20260305.0

What's Changed

• add bigbonk.yml by @elithrar in https://github.com/cloudflare/workerd/pull/6146
• Add more ai agent context, add PR review to architect agent by @jasnell in https://github.com/cloudflare/workerd/pull/6130
• Flush pending microtasks on service worker startup by @jasnell in https://github.com/cloudflare/workerd/pull/6134
• Use enum for Pyodide version by @ryanking13 in https://github.com/cloudflare/workerd/pull/6149
• Fix AI Search method not being callable by @G4brym in https://github.com/cloudflare/workerd/pull/6137
• CFSQL-1473: fix D1 exec throwing TypeError on invalid SQL queries by @FlorentCollin in https://github.com/cloudflare/workerd/pull/6029
• Capture strong ref to internal stream in internal.c++ by @jasnell in https://github.com/cloudflare/workerd/pull/6148
• Increase external memory adjustment for fetch() and other subrequests by @harrishancock in https://github.com/cloudflare/workerd/pull/6113
• Implements sawWorkerFatal in RA InvocationEnd event. by @dom96 in https://github.com/cloudflare/workerd/pull/6126
• Revert "Capture strong ref to internal stream in internal.c++" by @jasnell in https://github.com/cloudflare/workerd/pull/6153
• More refinements to agent documents by @jasnell in https://github.com/cloudflare/workerd/pull/6147
• pass more websocket web-platform tests by @anonrig in https://github.com/cloudflare/workerd/pull/6155
• improve wpt harness assertions by @anonrig in https://github.com/cloudflare/workerd/pull/6157
• Remove unnecessary KJ_LIFETIMEBOUND on getRelative() in url.h by @jasnell in https://github.com/cloudflare/workerd/pull/6159
• handle whatwg encoding standard overrides by @anonrig in https://github.com/cloudflare/workerd/pull/6091
• Correcting some agent details, refining agent commands by @jasnell in https://github.com/cloudflare/workerd/pull/6162
• Improving safety checks in diagnostics channel by @jasnell in https://github.com/cloudflare/workerd/pull/6160
• Add a little more detail to actor sqlite commit tracing by @a-robinson in https://github.com/cloudflare/workerd/pull/6164
• Limit dh gen size by @jasnell in https://github.com/cloudflare/workerd/pull/6165
• Improving error handling in digest copy by @jasnell in https://github.com/cloudflare/workerd/pull/6166
• [build] Update to clang-tidy-22 by @fhanau in https://github.com/cloudflare/workerd/pull/6156

Full Changelog: https://github.com/cloudflare/workerd/compare/v1.20260303.0...v1.20260304.0

What's Changed

• Fixup lock handling in limit enforcer and compile cache. by @mar-cf in https://github.com/cloudflare/workerd/pull/6121
• fix(node): fix five trivial bugs across crypto and inspect by @dknecht in https://github.com/cloudflare/workerd/pull/6129
• coordinate TransformStream finish operations per spec by @anonrig in https://github.com/cloudflare/workerd/pull/5771
• fix ReadableStream.from() cancel behavior per WPT spec by @anonrig in https://github.com/cloudflare/workerd/pull/5794
• fix streams byob request handling after close for spec compliance by @anonrig in https://github.com/cloudflare/workerd/pull/5769
• Fixup OOB read in URLStandard by @jasnell in https://github.com/cloudflare/workerd/pull/6139
• add ask-bonk workflows by @elithrar in https://github.com/cloudflare/workerd/pull/6140
• [nfc] Use wpt-report config for test-linux by @npaun in https://github.com/cloudflare/workerd/pull/6138
• Rename CLAUDE.md to AGENTS.md by @npaun in https://github.com/cloudflare/workerd/pull/6142
• change bonk to write permissions by @elithrar in https://github.com/cloudflare/workerd/pull/6144

Full Changelog: https://github.com/cloudflare/workerd/compare/v1.20260302.0...v1.20260303.0

What's Changed

• STREAM-6638 Update MediaTransformationResult methods to return Promises by @austin-mc in https://github.com/cloudflare/workerd/pull/6096
• fix edge cases with buffer transcode by @anonrig in https://github.com/cloudflare/workerd/pull/6133

Full Changelog: https://github.com/cloudflare/workerd/compare/v1.20260301.0...v1.20260302.0

What's Changed

• fix(node:dns): fix three bugs in dns lookup and resolver by @dknecht in https://github.com/cloudflare/workerd/pull/6128

New Contributors

• @dknecht made their first contribution in https://github.com/cloudflare/workerd/pull/6128

Full Changelog: https://github.com/cloudflare/workerd/compare/v1.20260228.0...v1.20260301.0

What's Changed

• Add AI Search RPC Types by @G4brym in https://github.com/cloudflare/workerd/pull/6102
• Temporarily disable form-data-test-ts.wd-test... by @jasnell in https://github.com/cloudflare/workerd/pull/6124
• Remove warning aggregator by @jasnell in https://github.com/cloudflare/workerd/pull/6123
• fix: carry request.cf through debug port capnp layer by @penalosa in https://github.com/cloudflare/workerd/pull/6116
• container: Implement setEgressHttp for containers by @gabivlj in https://github.com/cloudflare/workerd/pull/5985

Full Changelog: https://github.com/cloudflare/workerd/compare/v1.20260227.0...v1.20260228.0

What's Changed

• Support tracing sqlite commit callbacks by @a-robinson in https://github.com/cloudflare/workerd/pull/6109
• Remove old IdentityTransformStreamImpl by @jasnell in https://github.com/cloudflare/workerd/pull/6112
• Remove Blob-specific ReadableStreamSource subclass with autogate by @jasnell in https://github.com/cloudflare/workerd/pull/5427
• Move the daily release compat date 7 days into the future by @penalosa in https://github.com/cloudflare/workerd/pull/6043
• fix(perf_hooks): improve Node.js perf_hooks compatibility by @petebacondarwin in https://github.com/cloudflare/workerd/pull/6107
• [merge] Add ZSTD bindings to the node:zlib package. by @npaun in https://github.com/cloudflare/workerd/pull/6117
• [build] Define ISA extensions for all 1st party code by @fhanau in https://github.com/cloudflare/workerd/pull/6093
• Use state machine utility in streams impl by @jasnell in https://github.com/cloudflare/workerd/pull/5670

Full Changelog: https://github.com/cloudflare/workerd/compare/v1.20260219.0...v1.20260227.0

What's Changed

• Move wildcard properties to instance template by @dcarney-cf in https://github.com/cloudflare/workerd/pull/6090
• Drive-by Fix ActorSqlite::armAlarmHandler log by @jqmmes in https://github.com/cloudflare/workerd/pull/6103
• Add compat flag that causes deleteAll to delete alarms as well as data by @a-robinson in https://github.com/cloudflare/workerd/pull/6044
• fix unhandledRejection misfires by @anonrig in https://github.com/cloudflare/workerd/pull/6049
• Increase internal.c++ pumpTo buffer size to 64kb by @jasnell in https://github.com/cloudflare/workerd/pull/6106
• fix: Keep debug port connection alive for WebSocket passthrough by @penalosa in https://github.com/cloudflare/workerd/pull/6100
• avoid emitting unhandled rejections on DecompressionStream by @anonrig in https://github.com/cloudflare/workerd/pull/6108

Full Changelog: https://github.com/cloudflare/workerd/compare/v1.20260218.0...v1.20260219.0

What's Changed

• Move more streams tests to workerd from internal by @jasnell in https://github.com/cloudflare/workerd/pull/6079
• Fixup lock handling in cross-request promise handling logic by @jasnell in https://github.com/cloudflare/workerd/pull/6089
• fix(node): make readline Interface and Readline classes no-op stubs by @petebacondarwin in https://github.com/cloudflare/workerd/pull/6016
• Add containers_pid_namespace compatibility flag by @gpanders in https://github.com/cloudflare/workerd/pull/6063
• Move connectOverrides from Worker to ServiceWorkerGlobalScope, port Hyperdrive binding by @tewaro in https://github.com/cloudflare/workerd/pull/6097
• fix(perf_hooks): make Performance.measure() second and third params optional by @petebacondarwin in https://github.com/cloudflare/workerd/pull/6092

Full Changelog: https://github.com/cloudflare/workerd/compare/v1.20260217.0...v1.20260218.0

What's Changed

• Update dependencies by @workers-devprod in https://github.com/cloudflare/workerd/pull/6082
• Reset uncaught exception handling after startup execution by @mhart in https://github.com/cloudflare/workerd/pull/5342

Full Changelog: https://github.com/cloudflare/workerd/compare/v1.20260214.0...v1.20260217.0

What's Changed

• remove most uses of deprecated v8::PropertyCallbackInfo::This() by @dcarney-cf in https://github.com/cloudflare/workerd/pull/6003
• Make node:worker_threads independent of expose_global_message_channel flag by @petebacondarwin in https://github.com/cloudflare/workerd/pull/6069
• fix: properly cleanup setTimeout when scheduler.wait gets aborted by @LuisDuarte1 in https://github.com/cloudflare/workerd/pull/6068
• fix: revive dead FormData Content-Type warning (#6067) by @harrishancock in https://github.com/cloudflare/workerd/pull/6070
• Remove the autogate for using StateMachine in CompressionStream by @jasnell in https://github.com/cloudflare/workerd/pull/6072
• Update dependencies by @workers-devprod in https://github.com/cloudflare/workerd/pull/6076
• Add TextDecoder support for x-user-defined encoding (fixes #6039) by @JosephDoUrden in https://github.com/cloudflare/workerd/pull/6040

New Contributors

• @JosephDoUrden made their first contribution in https://github.com/cloudflare/workerd/pull/6040

Full Changelog: https://github.com/cloudflare/workerd/compare/v1.20260213.0...v1.20260214.0

What's Changed

• fix(node:tty): make ReadStream and WriteStream constructors non-throwing by @petebacondarwin in https://github.com/cloudflare/workerd/pull/6064
• update node inspect to handle proxies by @anonrig in https://github.com/cloudflare/workerd/pull/6050

Full Changelog: https://github.com/cloudflare/workerd/compare/v1.20260212.0...v1.20260213.0

What's Changed

• Fix crash when destroying Wrappables after isolate shutdown by @danlapid in https://github.com/cloudflare/workerd/pull/6052
• Log periodically when deleteAll is called with an alarm still set by @a-robinson in https://github.com/cloudflare/workerd/pull/6056
• Implement JSG_TRY / JSG_CATCH macros by @harrishancock in https://github.com/cloudflare/workerd/pull/6021
• fix: use raw timer time for setTimeout scheduling to prevent stale clock clamping by @anonrig in https://github.com/cloudflare/workerd/pull/6041

Full Changelog: https://github.com/cloudflare/workerd/compare/v1.20260211.0...v1.20260212.0