Follow Discord
Sweep 22 Oct 2026 · 21:04Z Build v2.1.309 528 read Stable v2.1.308 Latest v2.1.309 Next v2.1.309 Feeds RSS JSON llms.txt llms-full.txt Unofficial
HomeReleasesv2.1.240entry #1

Claude Code v2.1.240 ·

CLAUDE_CODE_THINKING_DISPLAY_UPDATES environment variable

Set CLAUDE_CODE_THINKING_DISPLAY_UPDATES to force the new thinking display on or off yourself.

Use it now Notable No documentation found In Development
JSON All of v2.1.240
Use it nowTier: how much it should matter to you
4Useful: my rating, 1 to 5
4Signal: worth watching, 1 to 5
Thinking DisplayArea: what it touches
In DevelopmentKind: in v2.1.240,
What probably matters to youSection of the release
What

A new three-state environment variable in the settings schema. Set it true to force the new thinking display on, false to force it off; leave it unset and the remote gate decides, which is off by default.

Evidence

CLAUDE_CODE_THINKING_DISPLAY_UPDATES

Strings lifted out of the shipped bundle, so the claim above can be checked against them.

Read from
Names in the bundleCLAUDE_CODE_THINKING_DISPLAY_UPDATES
How sure we are
One source agreesOne thing we can check says the same as this entry.
The name it cites is new in this buildNew in this build: CLAUDE_CODE_THINKING_DISPLAY_UPDATES

See this entry in the whole of v2.1.240 →

Feedback