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Sweep 22 Oct 2026 · 21:04Z Build v2.1.309 528 read Stable v2.1.308 Latest v2.1.309 Next v2.1.309 Feeds RSS JSON llms.txt llms-full.txt Unofficial

Claude Code v2.1.229 ·

Session marker files respect the process umask

Session marker files are written with permissions that respect your umask.

Under the hood Bug Fixes
JSON All of v2.1.229
Under the hoodTier: how much it should matter to you
1Useful: my rating, 1 to 5
1Signal: worth watching, 1 to 5
SessionsArea: what it touches
Bug FixesKind: in v2.1.229,
Bug FixesSection of the release
What

The in-use session marker file is now written with an explicit mode of 438 masked by the process umask rather than whatever default applied. The surrounding error handling was also flattened so a failed write no longer skips registering the follow-up path.

Evidence

{ mode: 438 & ~process.umask() }

Strings lifted out of the shipped bundle, so the claim above can be checked against them.

See this entry in the whole of v2.1.229 →

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