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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 v2.1.248 ·

Chat relay artifact backstop retirement is now unconditional

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

Under the hood Internal Changes
JSON All of v2.1.248
Under the hoodTier: how much it should matter to you
1Useful: my rating, 1 to 5
2Signal: worth watching, 1 to 5
ElsewhereArea: what it touches
Internal ChangesKind: in v2.1.248,
Internal ChangesSection of the release
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.

Read from
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 has happened since
Flag reading moved The flag server now returns on for tengu_retire_chat_relay_artifact_backstop, 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_retire_chat_relay_artifact_backstop, 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 v2.1.248 →

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