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wire 2026-06-08
stories 26
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$ the-wire · showcase

UNDICI PATCHES SOCKET HANG, IMPORT-IN-THE-MIDDLE FIXES BUILTIN INTEROP

By RepoJournal · Filed · About Node.js · Composed from the cited sources · methodology

dependabot[bot] bizob2828 omribz156
3 people shipped this
dependabot[bot] @dependabot[bot] 2 cited bizob2828 @bizob2828 1 cited omribz156 @omribz156 1 cited

Undici shipped critical fixes for parser deadlock under backpressure and idle socket validation, while import-in-the-middle resolved compatibility issues with CJS builtins that block instrumentation.

Undici landed two high-impact fixes overnight. The first [1] removes an assert that was throwing uncatchable errors when the HTTP/1 parser paused under backpressure and the socket ended, a scenario that could hang connections. The second [2] guards idle socket validation to skip fresh sockets, addressing a security advisory. Together these close gaps that have been tripping production deployments. Import-in-the-middle v3.0.2 [3] fixed proxying logic for builtins used as CommonJS [4], resolving conflicts when both IITM and tracing hooks register on the same process. The Node.js learn site added nested sidebar navigation [5] for Diagnostics and Node-API child articles, improving discoverability. Documentation cleanup continued across undici with corrected API signatures and restored links [6] [7]. Semver 7.8.3 [8] and eslint-plugin-n 18.1.0 [9] shipped minor updates across the linting preset.

Action items

References

  1. [1] fix: handle paused parser on socket end (issue #5360) (#5389) ↗ nodejs/undici
  2. [2] fix: guard idle socket validation to skip fresh sockets ↗ nodejs/undici
  3. [3] import-in-the-middle: v3.0.2 ↗ nodejs/import-in-the-middle
  4. [4] fix: Updated proxying logic for builtins that are used as CJS ↗ nodejs/import-in-the-middle
  5. [5] feat(sidebar): add sub-article navigation ↗ nodejs/learn
  6. [6] docs: fix multiple inaccuracies in API documentation (#5384) ↗ nodejs/undici
  7. [7] docs: fix remaining broken links in API documentation (#5342) ↗ nodejs/undici
  8. [8] build(deps): bump semver from 7.8.1 to 7.8.3 in the prod group ↗ nodejs/remark-preset-lint-node
  9. [9] build(deps-dev): bump eslint-plugin-n from 18.0.1 to 18.1.0 in the dev group ↗ nodejs/remark-preset-lint-node

$ ls nodejs/reviews/ # the step-back reads

the week in review commit-stream 3.0.0 restricts imports to package root the month in review Node 26 enters LTS as five undici advisories land
Full archive → Weekly reviews →

Quick answers

What shipped in Node.js on June 8, 2026?
Undici shipped critical fixes for parser deadlock under backpressure and idle socket validation, while import-in-the-middle resolved compatibility issues with CJS builtins that block instrumentation. In total, 12 commits, 12 pull requests, and 2 releases landed.
Who contributed to Node.js on June 8, 2026?
3 developers shipped this update, including bizob2828, omribz156, and dependabot[bot].
What were the notable Node.js updates?
fix: handle paused parser on socket end (issue #5360) (#5389), fix: guard idle socket validation to skip fresh sockets, and import-in-the-middle: v3.0.2.
♥

$ log @nodejs --recent

Workers preload streams into the startup snapshot; http2 accepts repeated content-encoding 18 shipped HTTP drain stalls after coalesced chunks, undici restores h2 error codes 20 shipped Stale OpenSSL errors cleared, npm 12.2.2 lands in node 26 shipped Node coalesces duplicate DNS lookups, batches HTTP body spans 37 shipped

$ log --all # elsewhere on the wire

Agent Security Quiet day in agent security as guard coverage reaches four clients Alignment & Post-training verl defaults Ascend RL mode, open-instruct unblocks SFT packing

$ ls showcases/

Safety Evals AI Red Teaming Agent Security Interpretability Alignment & Post-training

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