v1.20260306.1

What's Changed

• Revert "Update standard.c++ pumpTo impl to use draining read" by @jasnell in #6248
• Move the coverage-linux workflow to separate group by @jasnell in #6249
• Add CSS Selector option by @Naapperas in #6253
• Revert "Revert "feat: Add WorkflowStepContext to step.do callback"" by @pombosilva in #6238
• Fix AI Search filter type to re-use vectorize types by @G4brym in #6227
• add immutable_api_prototypes flag to wpt by @anonrig in #6255
• add missing wpt harness methods by @anonrig in #6257
• fix nullptr deref by @anonrig in #6239
• properly set function length for spec compliance by @anonrig in #6258
• fix getter/setter names due to compliance by @anonrig in #6260
• Add package.json for .opencode plugin dependency by @harrishancock in #6259
• Remove increase-external-memory-adjustment-for-fetch autogate by @harrishancock in #6247
• fix all webidl tests by @anonrig in #6229

Full Changelog: v1.20260305.1...v1.20260306.1

v1.20260305.1

What's Changed

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

Full Changelog: v1.20260304.1...v1.20260305.1

v1.20260304.1

What's Changed

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

Full Changelog: v1.20260303.1...v1.20260304.1

v1.20260303.1

What's Changed

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

New Contributors

• @logan-gatlin made their first contribution in #6154

Full Changelog: v1.20260301.1...v1.20260303.1

v1.20260301.1

What's Changed

• remove reserve from untrusted array length by @anonrig in #6213
• Enable global Performance classes when perf_hooks module is enabled by @petebacondarwin in #6206
• Set a default date for perf_hooks, v8, tty, child_process, worker_threads, readline, repl, and performance classes modules by @petebacondarwin in #6135

Full Changelog: v1.20260228.1...v1.20260301.1

v1.20260228.1

What's Changed

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

Full Changelog: v1.20260227.1...v1.20260228.1

v1.20260227.1

What's Changed

• throw appropriate error on websocket close by @anonrig in #6175
• update capnp and workerd-cxx by @mikea in #6192

Full Changelog: v1.20260226.1...v1.20260227.1

v1.20260305.0

What's Changed

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

New Contributors

• @maxmcd made their first contribution in #6118
• @mglewis made their first contribution in #5912

Full Changelog: v1.20260304.0...v1.20260305.0

v1.20260226.1

What's Changed

• Increase internal.c++ AllReader buffer sizes by @jasnell in #6183
• Make WorkerdDebugPort binding synchronous via Cap'n Proto pipelining by @penalosa in #6182
• Refine the opencode v8 update skill by @jasnell in #6184
• add a comment about websocket close test by @anonrig in #6163
• Align bonk review with local review process by @jasnell in #6185
• containers interceptOutboundHttp > Remove the need for workerd-network in workerd, fix bugs for MacOS, simplify by @gabivlj in #6181
• Throw startup exceptions as JSG exceptions for dynamic workers by @ketanhwr in #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 #6194
• bonk: improve PR review steering by @elithrar in #6150
• fix: reuse HTTP connections in fallback service to prevent port exhaustion by @penalosa in #6115
• Split compat date into release version and maximum compat date by @penalosa in #6190

Full Changelog: v1.20260305.0...v1.20260226.1

v1.20260304.0

What's Changed

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

Full Changelog: v1.20260303.0...v1.20260304.0