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Sweep 12 Nov 2026 · 23:00Z Build v2.1.323 540 read Stable v2.1.311 Latest v2.1.323 Next v2.1.323 Feeds RSS JSON llms.txt llms-full.txt Unofficial

Claude Code v2.1.323 ·

Uploading a file now refuses anything that looks like a web link

The file upload tool now refuses any path containing "://", even when invisible characters are hidden between those characters

You'll notice Improvements
JSON All of v2.1.323
You'll noticeTier: how much it should matter to you
1Useful: my rating, 1 to 5
1Signal: worth watching, 1 to 5
File SendingArea: what it touches
ImprovementsKind: in v2.1.323,
ImprovementsSection of the release
What

The tool Claude uses to upload a file now refuses any path that contains ://, the part that marks a web link. It still refuses when invisible characters have been placed between those characters. The refusal tells Claude to give the file's path on disk, not a link.

Why

It closes a gap where a link could be disguised as a file path to get past the check.

See this entry in the whole of v2.1.323 →

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