What's Changed

• EW-9365 [o11y] Implement proper Streaming Tail Worker API by @fhanau in #4727
• RM-24356: Pass anim option through Images binding by @ns476 in #4955
• [build] Update bzlmod dependencies by @fhanau in #4892

Full Changelog: v1.20250905.0...v1.20250906.0

What's Changed

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

New Contributors

• @austin-mc made their first contribution in #4931

Full Changelog: v1.20250904.0...v1.20250905.0

What's Changed

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

Full Changelog: v1.20250903.0...v1.20250904.0

What's Changed

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

New Contributors

• @anna-cf made their first contribution in #4939

Full Changelog: v1.20250902.0...v1.20250903.0

What's Changed

• Update dependencies by @workers-devprod in #4946
• Python: Give Request and Response reprs by @hoodmane in #4886
• Python: Improve typing of workers.py by @hoodmane in #4948

Full Changelog: v1.20250831.0...v1.20250902.0

What's Changed

• Fixup errant string conversion for fiddle logic by @jasnell in #4945

Full Changelog: 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 #4935
• Remove EW-9548 TODO as it turns out it's no longer required. by @dom96 in #4937
• Revert "Update src/workerd/api/streams/queue.h" by @jasnell in #4938
• update workerd-cxx by @anonrig in #4941
• Restrict JSG_STRUCT from having v8 local members by @jasnell in #4916

Full Changelog: v1.20250829.0...v1.20250830.0

What's Changed

• [build] 08-28-25 build fixups by @fhanau in #4927
• update workerd-cxx and capnp-cpp by @anonrig in #4929

Full Changelog: v1.20250828.1...v1.20250829.0

What's Changed

• Python: Make fetch work with Python Request as argument by @hoodmane in #4926
• Update the comment for the enable_nodejs_http_server_modules flag by @vicb in #4925
• add new nodejs_eol compat flags by @anonrig in #4922

Full Changelog: v1.20250828.0...v1.20250828.1

What's Changed

• Adds compatDisableFlag for pythonDedicatedSnapshot by @dom96 in #4904
• Add legacyGlobalHandlers check for test handler early exit by @dom96 in #4901
• Update streams/standard to use checked queue by @jasnell in #4884
• Support both JS and Python headers in asgi by @dom96 in #4900
• Python: Remove pythonDedicatedSnapshot impliedByAfterDate by @hoodmane in #4914
• feat: add email queuing compat flag for email sending queuing by @LuisDuarte1 in #4913
• nfc: remove version check now that v8 is 14.0 by @tewaro in #4920
• Advoid deep recursion in advanceQueueIfNeeded by @jasnell in #4918
• EW-9373 Fuse onset event and worker span by @fhanau in #4847
• Move all Python tests to using default entrypoint handlers. by @dom96 in #4899
• [build] 08-26-25 build maintenance by @fhanau in #4907
• Use /bundle as the starting cwd always by @jasnell in #4921
• Update v8-deps by @tewaro in #4919
• [TD] Update api/base64 to use jsg::BufferSource by @jasnell in #4908
• [o11y] Add entrypoint to trace information by @fhanau in #4912
• [TD] Add jsg::JsFunction by @jasnell in #4891
• Update validate method to extend to new method types. by @mar-cf in #4923
• Reverting string accounting temporarily to investigate perf impact. by @danlapid in #4924

Full Changelog: v1.20250827.0...v1.20250828.0