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Sweep 22 Oct 2026 · 04:32Z Build v2.1.308 527 read Stable v2.1.308 Latest v2.1.308 Next v2.1.308 Feeds RSS JSON llms.txt llms-full.txt Unofficial

Claude Code v2.1.234 ·

Your own prompts are rendered as markdown in the transcript

Your own prompts now render as markdown in the transcript, so lists and code blocks show up formatted.

You'll notice Improvements
JSON All of v2.1.234
You'll noticeTier: how much it should matter to you
4Useful: my rating, 1 to 5
1Signal: worth watching, 1 to 5
TranscriptArea: what it touches
ImprovementsKind: in v2.1.234,
What probably matters to youSection of the release
What

A plain-text user message is now run through the markdown renderer in a new prompt mode instead of being printed raw, so lists, headings and code blocks in what you typed show up formatted. It applies in both the brief and the full transcript layouts.

Details
  • Only for plain-string messages that are not still queued and are at most 4000 characters.
  • Prompt mode renders block structure but skips the inline link and issue-reference rewriting that assistant output gets.
  • Messages containing "ultrathink" are excluded when tengu_turtle_carbon is on; that gate falls back to on.
Evidence

promptMode: !0

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

Read from
Feature flag
tengu_turtle_carbon On for this account, and not off by default

The flag server returned on for the one account this site reads, and nothing in this release compiles it off by default. The compiled default is shown below, and says which it is when we cannot read one: a fifth of gates compile in a string or a number rather than on or off, and most published releases have no gate table behind them at all. No client can see what the server returns for your account.

This account: on · anonymous baseline: on · compiled default in v2.1.234: on

Read once, for one account on one subscription tier, against v2.1.234. It isn't a statement about your account. What a flag value here can and cannot tell you

What has happened since
Flag reading moved The flag server now returns on for tengu_turtle_carbon, read as this account. A reading is one sample. Claude Code evaluates its flags remotely, so no client sees the targeting rule behind a value and this says nothing about your account.
Flag reading moved The flag server now returns nothing at all, having stopped carrying it for tengu_turtle_carbon, read as this account. A reading is one sample. Claude Code evaluates its flags remotely, so no client sees the targeting rule behind a value and this says nothing about your account.

See this across every release →

See this entry in the whole of v2.1.234 →

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