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Sweep 08 Oct 2026 · 18:53Z Build v2.1.295 516 read Stable v2.1.286 Latest v2.1.295 Next v2.1.295 Feeds RSS JSON llms.txt llms-full.txt Unofficial

Claude Code v2.1.290 ·

Subagent instructions get an extra wrapping step and a clearer failure report

Subagent notes are now wrapped when the subagent's instructions are built, and the agent-proxy search reports failures separately from timeouts

Under the hood Internal Changes
JSON All of v2.1.290
Under the hoodTier: how much it should matter to you
1Useful: my rating, 1 to 5
2Signal: worth watching, 1 to 5
SubagentsArea: what it touches
Internal ChangesKind: in v2.1.290,
Internal ChangesSection of the release

Unclear What the extra wrapping does to the subagent's notes is not clear.

What

A subagent is a helper agent that Claude starts to handle part of a task. When Claude Code builds a subagent's instructions, it now passes the agent's notes through an extra wrapping step.

Separately, when Claude Code searches your PATH (the list of folders your system looks in for commands) for the agent-proxy command, it now reports a failed search as its own reason. Before, only a timeout had its own reason.

Why

Both are small internal changes that you are unlikely to notice.

How sure we are
Something disagreesSomething we can check disagrees with this entry, or the writer said they could not settle it.
The writer flagged doubtWhat the extra wrapping does to the subagent's notes is not clear.

See this entry in the whole of v2.1.290 →

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