Node.js: AbortSignal Speedup and Shutdown Fixes
Abort performance gets dramatically faster while several lifecycle bugs that caused hangs, lost context, and exit crashes are fixed. Build compatibility work for OpenSSL and BoringSSL rounds out the activity.
Duration: PT2M9S
Episode overview
This episode is a short developer briefing from Node.js.
It explains recent repository work in plain language.
- Show: Node.js
- Published: 2026-10-25T13:04:01Z
- Audio duration: PT2M9S
Transcript excerpt
This excerpt keeps the crawler page concise. Listen to the episode or use the RSS feed for the full update.
Hello, this is your Node.js briefing for October 25th, 2026.
The big story is performance on a core primitive, backed by several fixes for hangs, wrong context, and shutdown crashes.
First, abort is much cheaper. PR 66789 speeds up the Abort Controller and Abort Signal hot paths. Aborting is three to eleven times faster, creating a signal is almost twice as fast, adding and removing listeners and the any and timeout helpers are also significantly faster, with no change to plain event target…
Second, a cluster of lifecycle correctness fixes. PR 66907 restores the writer's async context for Transform Stream writes parked on backpressure, so transform, queued writes, and flush no longer run in the reader's context. PR 66641 fixes HTTP/2 sessions hanging open after a peer go-away masked an internal…
Third, compatibility hardening. PRs 66931 and 66953 fix shared OpenSSL 3 builds on older headers and configured API levels, while recent commits tied to BoringSSL enable SHA-3, TLS 1.3 cipher configuration, and remove obsolete test skips.
What's next: expect follow-up validation on tail latency and E-S-M load from the remaining open proposals, and watch automated dependency updates for…
Nearby episodes from Node.js
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