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Sweep 25 Sep 2026 · 19:33Z Build v2.1.283 504 read Stable v2.1.274 Latest v2.1.283 Next v2.1.283 Feeds RSS JSON llms.txt llms-full.txt Unofficial

Claude Code v2.1.281 ·

Paths containing a NUL byte are rejected before opening

File paths that contain a NUL byte are now rejected before Claude Code tries to open them

Under the hood Internal Changes
JSON All of v2.1.281
Under the hoodTier: how much it should matter to you
1Useful: my rating, 1 to 5
0Signal: worth watching, 1 to 5
File AccessArea: what it touches
Internal ChangesKind: in v2.1.281,
Internal ChangesSection of the release
What

A NUL byte is an invisible zero character that is not valid in file names. A helper that opens files now refuses any path containing one and returns nothing instead of trying to open it.

Why

Malformed paths are stopped early rather than reaching the file system.

See this entry in the whole of v2.1.281 →

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