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cpSync dereference regression fixed, trace union punning removed
By RepoJournal · Filed · About Node.js · Composed from the cited sources · methodology
Node's fs.cpSync stops silently copying nested symlinks as links when dereference is set, and the trace value handling drops its union type punning following an equivalent V8 fix.
fs: honor dereference for symlinks nested in cpSync trees nodejs/node
With no filter supplied, cpSync copies directory contents in C++, and that loop recreated every symlink it found while consulting dereference only for the subdirectory-of-self guards, so only a symlink passed directly as src was ever dereferenced. Reported in #59168 as a regression in 22.17 and still reproducing on main: `fs.cpSync('./src', './out', { dereference: true, recursive: true })` leav...
src: avoid union type-punning in trace values nodejs/node
TraceValueUnion is replaced with memcpy-based object representation copying so inactive union members are no longer read, and integral values are generalized to cover all integral and enum types. It mirrors the equivalent V8 fix in CL 1886918 and closes issue #57033. Mainly relevant if you build Node with undefined-behavior sanitizers in your toolchain.
fs: honor dereference for symlinks nested in cpSync trees nodejs/node
The commit message spells out the mechanism the PR described: the directory and regular file branches already followed symlink semantics correctly, and only the symlink branch did not. This is the fix landing rather than new scope.
tools: bump the eslint group in /tools/eslint with 6 updates nodejs/node
Dependabot's grouped bump moves @babel/core and @babel/eslint-parser to 8.0.5, eslint to 10.10.0, and eslint-plugin-jsdoc to 64.3.9 inside /tools/eslint. Contributor-facing only; nothing in the published tarball changes.
doc: remove obsolete mentioning of cl.exe on windows nodejs/node
The Windows build docs stop telling contributors to invoke cl.exe, which has not been the toolchain the build instructions actually require.
fix(ui): fix sidebar height (#9148) nodejs/nodejs.org
A styles-only fix for sidebar height on nodejs.org, plus the changeset file; id 8 in the reliability repo is the bot filing the 2026-09-18 report.
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