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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
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Claude Code v2.1.323 ·

Plugins gain a progress bar and a new backdrop format for theme.set

Plugin screens can show a progress bar, and theme.set now takes a new backdrop format that replaces the old one

Use it now New Features
JSON All of v2.1.323
Use it nowTier: how much it should matter to you
4Useful: my rating, 1 to 5
2Signal: worth watching, 1 to 5
Plugin UIArea: what it touches
New FeaturesKind: in v2.1.323,
What probably matters to youSection of the release
What

Plugins that draw their own screens can now use a <Progress> element, a progress bar with a label, a value, a maximum, optional value text and a colour.

theme.set also changed:

  • backdrop now takes a scene, a colour, a gradient or a vector image, replacing the old form with an id, glass and colour scheme.
  • overrideColorScheme is accepted alongside colors.
  • Glass blur is now measured in points instead of CSS pixels.
Why

Plugins can show progress and richer backgrounds, but a plugin still using the old backdrop format needs updating.

Read from
Names in the bundletheme.set
What the documentation says
Documented inclaude-code/plugins/mods/interface

See this entry in the whole of v2.1.323 →

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