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Sweep 22 Sep 2026 · 17:19Z Build v2.1.280 501 read Stable v2.1.267 Latest v2.1.280 Next v2.1.280 Feeds RSS JSON llms.txt Unofficial
Claude Code v2.1.274 ·

New artifact "quickstart start kit" feature, gated by tengu_concurrent_candle / CLAUDE_CODE_ARTIFACT_START_KIT

← All of v2.1.274 Home All releases

A new gated 'start kit' feature can auto-bundle an artifact type, design system, and REPL tool

TierNothing to try yethow much it should matter to you
Useful3my rating, 1 to 5
Signal4worth watching, 1 to 5
AreaArtifactswhat it touches
KindIn Developmentin v2.1.274,
Nothing to try yet Notable No documentation found

A new gated 'start kit' feature can auto-bundle an artifact type, design system, and REPL tool

**What

Read from
Names in the bundletengu_concurrent_candleCLAUDE_CODE_ARTIFACT_START_KIT
Feature flag
tengu_concurrent_candle Off in both readings

The flag server returned off for the account this site reads and for the anonymous baseline. A reading of off cannot rule out a rollout these two readings sit outside of.

This account: off · anonymous baseline: off · compiled default in v2.1.274: not a boolean we can read

These values were read against a different version of Claude Code, so treat them as the nearest reading available instead of one taken on this release.

Read once, for one account on one subscription tier, against v2.1.274. It isn't a statement about your account. What a flag value here can and cannot tell you

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_ARTIFACT_START_KIT

See this entry in the whole of v2.1.274 →

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