Cloudflare workerd

What's Changed

• Add JSONB functions to sqlite allowlist by @johnspurlock in https://github.com/cloudflare/workerd/pull/5145

New Contributors

• @johnspurlock made their first contribution in https://github.com/cloudflare/workerd/pull/5145

Full Changelog: https://github.com/cloudflare/workerd/compare/v1.20250921.0...v1.20250922.0

What's Changed

• Add further process private exports by @guybedford in https://github.com/cloudflare/workerd/pull/5131

Full Changelog: https://github.com/cloudflare/workerd/compare/v1.20250920.0...v1.20250921.0

What's Changed

• chore(ci): don't print as many lines of passed tests by @alexeagle in https://github.com/cloudflare/workerd/pull/5128
• More incremental consolidation of module-related code. by @jasnell in https://github.com/cloudflare/workerd/pull/5124
• Ensure reader closed promise resolves on cancel by @jasnell in https://github.com/cloudflare/workerd/pull/5126
• Log warning on IoContext timeout with pending tasks by @danlapid in https://github.com/cloudflare/workerd/pull/5132
• Some minor fixups with new module registry by @jasnell in https://github.com/cloudflare/workerd/pull/5133
• fix request.body being undefined on express.js by @anonrig in https://github.com/cloudflare/workerd/pull/5089
• [nfc] adding async-trait crate by @mikea in https://github.com/cloudflare/workerd/pull/5134
• [nfc] wd_rust_crate improvements by @mikea in https://github.com/cloudflare/workerd/pull/5136
• Remove accountedKjString by @jasnell in https://github.com/cloudflare/workerd/pull/5137
• fix search query missing from http.request by @anonrig in https://github.com/cloudflare/workerd/pull/5135
• Call setJsRpcInfo only once in jsrpc entrypoint by @mar-cf in https://github.com/cloudflare/workerd/pull/5139
• update js dependencies by @anonrig in https://github.com/cloudflare/workerd/pull/5140
• [KV Instrumentation] Refine the KV attributes by @jmorrell-cloudflare in https://github.com/cloudflare/workerd/pull/5120

Full Changelog: https://github.com/cloudflare/workerd/compare/v1.20250919.0...v1.20250920.0

What's Changed

• [nfc] deploy -Wsuggest-override by @mikea in https://github.com/cloudflare/workerd/pull/5117
• chore: move easy http_archive calls from WORKSPACE by @alexeagle in https://github.com/cloudflare/workerd/pull/5074
• Add implementation of net BlockList by @jasnell in https://github.com/cloudflare/workerd/pull/5109
• Set event info before calling delivering event to ensure onset event is reported first. by @mar-cf in https://github.com/cloudflare/workerd/pull/5056
• Add implementation of node::assert partialDeepStrictEqual by @jasnell in https://github.com/cloudflare/workerd/pull/5110
• reduce types generation duration by 98 seconds by @anonrig in https://github.com/cloudflare/workerd/pull/5121
• Fixup content check in spkac public key export by @jasnell in https://github.com/cloudflare/workerd/pull/5122
• Add performance classes by @anonrig in https://github.com/cloudflare/workerd/pull/5103
• fix expectedLength getting lost on stream-backed response bodies by @anonrig in https://github.com/cloudflare/workerd/pull/5115
• extend req.socket from event emitter by @anonrig in https://github.com/cloudflare/workerd/pull/5123
• Move python module metadata state creation to worker-modules.c++. by @jasnell in https://github.com/cloudflare/workerd/pull/5119
• Support source phase imports by @guybedford in https://github.com/cloudflare/workerd/pull/5075
• chore: move rules_shell to MODULE.bazel by @alexeagle in https://github.com/cloudflare/workerd/pull/5127

Full Changelog: https://github.com/cloudflare/workerd/compare/v1.20250918.0...v1.20250919.0

What's Changed

• [build] Optimize all of V8 on CI to speed up tests by @fhanau in https://github.com/cloudflare/workerd/pull/5100
• Handle baseline snapshot during validation correctly by @dom96 in https://github.com/cloudflare/workerd/pull/5096
• Update Workers AI Types by @thatsKevinJain in https://github.com/cloudflare/workerd/pull/5111
• make stream attribute private in IncomingMessage by @anonrig in https://github.com/cloudflare/workerd/pull/5116

Full Changelog: https://github.com/cloudflare/workerd/compare/v1.20250917.0...v1.20250918.0

What's Changed

• Cleanup RSA jwk alg checks by @jasnell in https://github.com/cloudflare/workerd/pull/5095
• Revert "make performance classes compliant with unenv" by @jasnell in https://github.com/cloudflare/workerd/pull/5099
• just update-rust by @mikea in https://github.com/cloudflare/workerd/pull/5101
• Adding warning comments about adding new exports to global scope. by @jasnell in https://github.com/cloudflare/workerd/pull/5104
• Fixup minor buffer overrun in X509 by @jasnell in https://github.com/cloudflare/workerd/pull/5105
• Move capnp module implementation workerd by @jasnell in https://github.com/cloudflare/workerd/pull/5070
• add node:sqlite module by @anonrig in https://github.com/cloudflare/workerd/pull/5106
• Implement node:net SocketAddress class by @jasnell in https://github.com/cloudflare/workerd/pull/5107
• Begin consolidating duplicated legacy module registry init code by @jasnell in https://github.com/cloudflare/workerd/pull/5088

Full Changelog: https://github.com/cloudflare/workerd/compare/v1.20250916.0...v1.20250917.0

What's Changed

• Includes snapshot type in Python startup limit exceeds error. by @dom96 in https://github.com/cloudflare/workerd/pull/5045
• [R2 instrumentation] Add tags for requests by @jmorrell-cloudflare in https://github.com/cloudflare/workerd/pull/5006
• add node:readline and node:repl modules by @anonrig in https://github.com/cloudflare/workerd/pull/5069
• Retrieve experimental compat flags in Python runtime differently. by @dom96 in https://github.com/cloudflare/workerd/pull/5050
• Further refine capnp::SchemaLoader ownership by @jasnell in https://github.com/cloudflare/workerd/pull/5065
• [c++23] replace EnableAddRefToThis CRTP with addRefToThis member by @mikea in https://github.com/cloudflare/workerd/pull/5049
• EW-9366 Report fetch response earlier by @fhanau in https://github.com/cloudflare/workerd/pull/5068
• chore(bazel): ensure pnpm run outside Bazel has similar behavior by @alexeagle in https://github.com/cloudflare/workerd/pull/5038
• [R2 instrumentation] Add tags for multipart by @jmorrell-cloudflare in https://github.com/cloudflare/workerd/pull/5028
• [R2 instrumentation] Update R2 span names by @jmorrell-cloudflare in https://github.com/cloudflare/workerd/pull/5001
• fix http.request body not getting posted by @anonrig in https://github.com/cloudflare/workerd/pull/5091

New Contributors

• @alexeagle made their first contribution in https://github.com/cloudflare/workerd/pull/5038

Full Changelog: https://github.com/cloudflare/workerd/compare/v1.20250913.0...v1.20250916.0

What's Changed

• Add the Wrangler e2e test that checks Node.js stuff by @petebacondarwin in https://github.com/cloudflare/workerd/pull/5059
• Ignore unused type param in DurableObjectClass by @petebacondarwin in https://github.com/cloudflare/workerd/pull/5063
• add node:inspector module by @anonrig in https://github.com/cloudflare/workerd/pull/5064
• Update workerd to v8 14.1 by @dom96 in https://github.com/cloudflare/workerd/pull/5061
• Improve memory safety for new JSG module registry by @fhanau in https://github.com/cloudflare/workerd/pull/5066
• Add non-op node:trace_events implementation by @jasnell in https://github.com/cloudflare/workerd/pull/5067

New Contributors

• @petebacondarwin made their first contribution in https://github.com/cloudflare/workerd/pull/5059

Full Changelog: https://github.com/cloudflare/workerd/compare/v1.20250912.0...v1.20250913.0

What's Changed

• Use stdio log prefixing for process.stdio by @guybedford in https://github.com/cloudflare/workerd/pull/5024
• Track memory snapshot type in SnapshotMeta settings. by @dom96 in https://github.com/cloudflare/workerd/pull/5029
• Exclude Workflows from ctx.exports. by @kentonv in https://github.com/cloudflare/workerd/pull/5005
• Revert "add perf_hooks module and global Performance classes" by @danlapid in https://github.com/cloudflare/workerd/pull/5043
• switch to c++23 by @mikea in https://github.com/cloudflare/workerd/pull/5042
• Add nice type generation for ctx.exports and ctx.props. by @kentonv in https://github.com/cloudflare/workerd/pull/5004
• add node:cluster module by @anonrig in https://github.com/cloudflare/workerd/pull/5035
• Cleanup URLPattern usage of kj::StringTree by @jasnell in https://github.com/cloudflare/workerd/pull/5046
• add node:worker_threads module by @anonrig in https://github.com/cloudflare/workerd/pull/5041
• add node:_stream_wrap module by @anonrig in https://github.com/cloudflare/workerd/pull/5044
• Revert revert of performance classes change by @anonrig in https://github.com/cloudflare/workerd/pull/5048
• fix compat flag name by @anonrig in https://github.com/cloudflare/workerd/pull/5053
• Add non-op node:wasi module by @jasnell in https://github.com/cloudflare/workerd/pull/5051
• fix node:zlib out-of-order bug by @anonrig in https://github.com/cloudflare/workerd/pull/5052
• Add non-op node:dgram module by @jasnell in https://github.com/cloudflare/workerd/pull/5054

Full Changelog: https://github.com/cloudflare/workerd/compare/v1.20250911.0...v1.20250912.0

What's Changed

• Python: Fixes to snapshot release job by @hoodmane in https://github.com/cloudflare/workerd/pull/5015
• fix node:console missing fields by @anonrig in https://github.com/cloudflare/workerd/pull/5032
• add perf_hooks module and global Performance classes by @anonrig in https://github.com/cloudflare/workerd/pull/4992
• Add non-op node:domain module by @jasnell in https://github.com/cloudflare/workerd/pull/5031
• c++23 related fixes by @mikea in https://github.com/cloudflare/workerd/pull/5036
• Implement non-op node:v8 module by @jasnell in https://github.com/cloudflare/workerd/pull/5025
• Implement non-op node:tty module by @jasnell in https://github.com/cloudflare/workerd/pull/5033
• add node:punycode module by @anonrig in https://github.com/cloudflare/workerd/pull/5034
• Implement all process exports as stubbed or unimplemented by @guybedford in https://github.com/cloudflare/workerd/pull/5040

Full Changelog: https://github.com/cloudflare/workerd/compare/v1.20250910.0...v1.20250911.0

What's Changed

• WO-733 Adds more attributes to KV tracing by @m-makuch in https://github.com/cloudflare/workerd/pull/4963
• Python: Add pyproject.toml for workers-api by @hoodmane in https://github.com/cloudflare/workerd/pull/5016
• Update some documentation comments for new module registry by @jasnell in https://github.com/cloudflare/workerd/pull/4944
• Remove internal logging of certain crypto errors by @jasnell in https://github.com/cloudflare/workerd/pull/5018
• Fix bad circular reference in Node.js streams by @jasnell in https://github.com/cloudflare/workerd/pull/5021
• Add exception handling for tail stream JS failures by @mar-cf in https://github.com/cloudflare/workerd/pull/4998
• Add non-op implementation of node:vm module by @jasnell in https://github.com/cloudflare/workerd/pull/5022

New Contributors

• @m-makuch made their first contribution in https://github.com/cloudflare/workerd/pull/4963

Full Changelog: https://github.com/cloudflare/workerd/compare/v1.20250909.0...v1.20250910.0

What's Changed

• Add Python snapshots upload job by @hoodmane in https://github.com/cloudflare/workerd/pull/4951
• Release Python with Pyodide 0.28.2 by @hoodmane in https://github.com/cloudflare/workerd/pull/5008
• Add D1 total_attempts field to query meta response by @lambrospetrou in https://github.com/cloudflare/workerd/pull/5009
• Python: Move workers code into a Python package style layout by @hoodmane in https://github.com/cloudflare/workerd/pull/5007
• Python: Download test snapshots from the production r2 bucket by @hoodmane in https://github.com/cloudflare/workerd/pull/5010
• Implements Wrappable changes for v8 14.1 support by @dom96 in https://github.com/cloudflare/workerd/pull/5012
• Python: Fix collect_methods utility function by @hoodmane in https://github.com/cloudflare/workerd/pull/5011
• [R2 instrumentation] Add tags for responses by @jmorrell-cloudflare in https://github.com/cloudflare/workerd/pull/4983
• Cleanup ownership model for new module registry by @jasnell in https://github.com/cloudflare/workerd/pull/4932
• Implement dynamic tails on dynamically-loaded workers. by @kentonv in https://github.com/cloudflare/workerd/pull/5002
• [o11y] Don't require tailWorkerUserSpans compat flag for for span tracing in STW by @fhanau in https://github.com/cloudflare/workerd/pull/5017
• Remove forked promise in TailStreamCustomEventImpl::run by @mar-cf in https://github.com/cloudflare/workerd/pull/4997
• Move Worker::Api agonostic module registry init code out by @jasnell in https://github.com/cloudflare/workerd/pull/4943

Full Changelog: https://github.com/cloudflare/workerd/compare/v1.20250906.0...v1.20250909.0

What's Changed

• EW-9365 [o11y] Implement proper Streaming Tail Worker API by @fhanau in https://github.com/cloudflare/workerd/pull/4727
• RM-24356: Pass anim option through Images binding by @ns476 in https://github.com/cloudflare/workerd/pull/4955
• [build] Update bzlmod dependencies by @fhanau in https://github.com/cloudflare/workerd/pull/4892

Full Changelog: https://github.com/cloudflare/workerd/compare/v1.20250905.0...v1.20250906.0

What's Changed

• add node:console implementation by @anonrig in https://github.com/cloudflare/workerd/pull/4984
• put node:console behind compat flag by @anonrig in https://github.com/cloudflare/workerd/pull/4986
• Include limits in Python Worker Startup exceeded error message. by @dom96 in https://github.com/cloudflare/workerd/pull/4985
• Add more R2 instrumentation attributes by @jmorrell-cloudflare in https://github.com/cloudflare/workerd/pull/4961
• STREAM-6362 Add types for media binding by @austin-mc in https://github.com/cloudflare/workerd/pull/4931
• Fix UaF in server by @fhanau in https://github.com/cloudflare/workerd/pull/4996
• [wpt] Enable Fetch cache tests by @npaun in https://github.com/cloudflare/workerd/pull/4991
• [wpt] Update status of some fetch tests by @npaun in https://github.com/cloudflare/workerd/pull/4993

New Contributors

• @austin-mc made their first contribution in https://github.com/cloudflare/workerd/pull/4931

Full Changelog: https://github.com/cloudflare/workerd/compare/v1.20250904.0...v1.20250905.0

What's Changed

• Make it possible to put service bindings into dynamic worker env by @kentonv in https://github.com/cloudflare/workerd/pull/4834
• update capnproto by @mikea in https://github.com/cloudflare/workerd/pull/4959
• Implement synchronous version of DO KV storage API. by @kentonv in https://github.com/cloudflare/workerd/pull/4895
• Remove experimental for node:process by @guybedford in https://github.com/cloudflare/workerd/pull/4960
• replacing std::copy with ArrayPtr::copyFrom by @mikea in https://github.com/cloudflare/workerd/pull/4982
• [o11y] 09-03-25 STW cleanup, QA, debug logging by @fhanau in https://github.com/cloudflare/workerd/pull/4978

Full Changelog: https://github.com/cloudflare/workerd/compare/v1.20250903.0...v1.20250904.0

What's Changed

• Python: Update python_metadata.bzl with new snapshot info by @hoodmane in https://github.com/cloudflare/workerd/pull/4953
• [nfc] Some more clang-tidy fixes by @fhanau in https://github.com/cloudflare/workerd/pull/4954
• Clear TaskSet in dtor by @MellowYarker in https://github.com/cloudflare/workerd/pull/4940
• Add Durable Object ID to Trace events by @anna-cf in https://github.com/cloudflare/workerd/pull/4939
• Add an instrumentation test for R2 binding by @jmorrell-cloudflare in https://github.com/cloudflare/workerd/pull/4949
• R2 Instrumentation: Move the spans up a level in the call stack by @jmorrell-cloudflare in https://github.com/cloudflare/workerd/pull/4950
• update workerd-cxx by @mikea in https://github.com/cloudflare/workerd/pull/4956
• [build] use correct absolute labels by @mikea in https://github.com/cloudflare/workerd/pull/4958
• Fix critical error transaction handling in sqlite-backed DOs by @jclee in https://github.com/cloudflare/workerd/pull/4934

New Contributors

• @anna-cf made their first contribution in https://github.com/cloudflare/workerd/pull/4939

Full Changelog: https://github.com/cloudflare/workerd/compare/v1.20250902.0...v1.20250903.0

What's Changed

• Update dependencies by @workers-devprod in https://github.com/cloudflare/workerd/pull/4946
• Python: Give Request and Response reprs by @hoodmane in https://github.com/cloudflare/workerd/pull/4886
• Python: Improve typing of workers.py by @hoodmane in https://github.com/cloudflare/workerd/pull/4948

Full Changelog: https://github.com/cloudflare/workerd/compare/v1.20250831.0...v1.20250902.0

What's Changed

• Fixup errant string conversion for fiddle logic by @jasnell in https://github.com/cloudflare/workerd/pull/4945

Full Changelog: https://github.com/cloudflare/workerd/compare/v1.20250830.0...v1.20250831.0

What's Changed

• EW-9282 EW-9451 Further fix errors with Onset event being reported too late by @fhanau in https://github.com/cloudflare/workerd/pull/4935
• Remove EW-9548 TODO as it turns out it's no longer required. by @dom96 in https://github.com/cloudflare/workerd/pull/4937
• Revert "Update src/workerd/api/streams/queue.h" by @jasnell in https://github.com/cloudflare/workerd/pull/4938
• update workerd-cxx by @anonrig in https://github.com/cloudflare/workerd/pull/4941
• Restrict JSG_STRUCT from having v8 local members by @jasnell in https://github.com/cloudflare/workerd/pull/4916

Full Changelog: https://github.com/cloudflare/workerd/compare/v1.20250829.0...v1.20250830.0

What's Changed

• [build] 08-28-25 build fixups by @fhanau in https://github.com/cloudflare/workerd/pull/4927
• update workerd-cxx and capnp-cpp by @anonrig in https://github.com/cloudflare/workerd/pull/4929

Full Changelog: https://github.com/cloudflare/workerd/compare/v1.20250828.1...v1.20250829.0