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Sweep 30 Oct 2026 · 01:02Z Build v2.1.314 532 read Stable v2.1.308 Latest v2.1.314 Next v2.1.314 Feeds RSS JSON llms.txt llms-full.txt Unofficial
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Claude Code v2.1.314 ·

Changes to how the terminal measures text and reads some key codes

Claude Code now counts some two-character pairs once when measuring text width, and no longer treats ESC O key codes as their own type

You'll notice Improvements
JSON All of v2.1.314
You'll noticeTier: how much it should matter to you
1Useful: my rating, 1 to 5
0Signal: worth watching, 1 to 5
Terminal UIArea: what it touches
ImprovementsKind: in v2.1.314,
ImprovementsSection of the release

Unclear Whether any keys or characters behave differently in a given terminal is not stated.

What

Two changes affect how Claude Code reads and draws text in the terminal:

  • Text width: some pairs of characters now count once when Claude Code measures how much room text takes.
  • Key codes: terminals send hidden codes for keys such as arrows. Claude Code no longer sorts codes that start with ESC followed by O into their own group.
Why

Some characters may line up differently on screen, and some keys may be read differently.

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 doubtWhether any keys or characters behave differently in a given terminal is not stated.

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