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Sweep 08 Oct 2026 · 18:53Z Build v2.1.295 516 read Stable v2.1.286 Latest v2.1.295 Next v2.1.295 Feeds RSS JSON llms.txt llms-full.txt Unofficial

Claude Code v2.1.290 ·

File @-mentions are read more carefully, including line numbers and CJK punctuation

Claude Code's reading of @-mentions changed: path:line forms and mentions next to CJK punctuation are handled, and trailing repeats trimmed

You'll notice Improvements
JSON All of v2.1.290
You'll noticeTier: how much it should matter to you
2Useful: my rating, 1 to 5
1Signal: worth watching, 1 to 5
File AttachmentsArea: what it touches
ImprovementsKind: in v2.1.290,
ImprovementsSection of the release

Unclear The exact differences in which mentions are recognized are not spelled out.

What

Typing @ followed by a file path in your prompt attaches that file. The way Claude Code picks these mentions out of your text was rewritten:

  • Mentions written as a path followed by a colon and a line number are recognized.
  • Mentions placed right next to Chinese or Japanese punctuation such as 。、?! are separated from that punctuation.
  • Repeated characters at the end of a mention are trimmed off.
Why

The set of files attached from your @-mentions may differ slightly from before, especially in prompts written in Chinese or Japanese or that point at a specific line.

How sure we are
Something disagreesSomething we can check disagrees with this entry, or the writer said they could not settle it.
The writer flagged doubtThe exact differences in which mentions are recognized are not spelled out.

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