workerdMerged#8415
Wait for output locks before a TS WritableStream flush resolves
Fixed TS WritableStream flush to wait for output locks, ensuring correct behavior in Durable Objects
Contributions: Nov 8–15, 2026
14 substantial PRs (10 merged, 6 open/draft). 10 in workerd, 4 in node.
workerdMerged#8412
Avoid reading the string length multiple times
Optimized string encoding methods by avoiding multiple reads of string length
workerdMerged#8272
TS DOMException
Adds TypeScript implementation of DOMException and QuotaExceededError
workerdMerged#8270
TS URLPattern implementation
Ports URLPattern to TypeScript
workerdMerged#8266
Implement the TS URL
Implements URL in TypeScript
workerdMerged#8225
Serialize classes implemented in JavaScript
Serializes classes implemented in JavaScript
workerdMerged#8314
Include coldstart metrics in workerd bench
Added coldstart metrics to workerd bench, providing insight into isolate, script, and worker startup times
workerdMerged#8311
Mirror opencode skills, commands, and agents to claude
Mirrors opencode skills, commands, and agents to claude
nodeOpen#67468c++v8 engineauthor ready
src: warn when heap would exceed pointer compression limit
Warn when heap exceeds pointer compression limit to prevent potential issues
workerdOpen#8357
A workerd repl
Added an experimental REPL for workerd, allowing for interactive debugging and exploration.
nodeOpen#67288lib / srcexperimentalneeds-ci
src: experimental green threads implementation
Implement green threads for Node.js, a lightweight worker with its own V8 isolate
nodeOpen#66504lib / srcneeds-ci
stream: staging multiple stream/iter performance improvements
Stage multiple stream/iter performance improvements
workerdDraft#8458
Retire the C++ MessageChannel impl
Retire the C++ MessageChannel implementation in favor of the TypeScript implementation
nodeDraft#67447httpc++needs-ci
http: add experimental Fetch Server API prototype
Add experimental Fetch Server API prototype for a HTTP version agnostic server API