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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 v2.1.239 ·

Settings pushed over the control channel are screened before touching plugin forwarding

Settings pushed from the control channel are checked before they can change plugin forwarding, and refusals are logged.

Under the hood In Development
JSON All of v2.1.239
Under the hoodTier: how much it should matter to you
2Useful: my rating, 1 to 5
3Signal: worth watching, 1 to 5
PluginsArea: what it touches
In DevelopmentKind: in v2.1.239,
In DevelopmentSection of the release
What

A settings update arriving from the control channel that would change plugin forwarding now passes an admission check first; refusals are logged with a reason and the update is rejected rather than applied quietly. Plugin reload also waits, up to a cap, for a feature flag before installing.

Details
Evidence

plugin_forwarding_patch_refused

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

Read from
Feature flag
tengu_violin_amati 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 v2.1.239: off

tengu_violin_wood 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 v2.1.239: off

Read once, for one account on one subscription tier, against v2.1.239. 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_violin_amati, 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 off for tengu_violin_amati, 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_violin_amati, 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 →

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: tengu_violin_amati

See this entry in the whole of v2.1.239 →

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