Source Intelligence

DisclaimerUnofficial, and not affiliated with Anthropic. Nearly all of this is read straight out of what ships: npm bundles, captured prompts, published docs. Anthropic's own notes go in verbatim, marked as theirs. The rest is my reading, and every entry carries the strings behind it. If one looks wrong, vote it down and say why.

All of v2.1.248 Home All releases olderv2.1.247 v2.1.250newer
Claude Code v2.1.248

Chat relay artifact backstop retirement is now unconditional

Under the hood
Useful1 Signal2
Elsewhere

A chat relay flag no longer does anything; entrypoint alone decides that path.

Feature flag
tengu_retire_chat_relay_artifact_backstop 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 v2.1.248: not a boolean we can read

Read once, for one account on one subscription tier, against v2.1.248. It isn't a statement about your account. What a flag value here can and cannot tell you

What

The flag tengu_retire_chat_relay_artifact_backstop no longer affects anything; the check that consulted it was removed. Whether the backstop path runs is now decided only by the entrypoint, such as claude-code-github-action or mcp.

Evidence

tengu_retire_chat_relay_artifact_backstop

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

See this entry in the whole of v2.1.248 →