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Sweep 22 Oct 2026 · 21:04Z Build v2.1.309 528 read Stable v2.1.308 Latest v2.1.309 Next v2.1.309 Feeds RSS JSON llms.txt llms-full.txt Unofficial

Claude Code v2.1.221 ·

Unused IDE "openFile" RPC helper deleted

An unused helper for asking your IDE to open a file was deleted.

Under the hood Removed
JSON All of v2.1.221
Under the hoodTier: how much it should matter to you
1Useful: my rating, 1 to 5
0Signal: worth watching, 1 to 5
ElsewhereArea: what it touches
RemovedKind: in v2.1.221,
RemovedSection of the release
What

A method that asked the connected IDE to open a file over the IDE MCP connection has been removed, along with its error log.

Details
  • it called with preview off and no selection, and had no callers in the previous build
  • no behaviour change expected; the IDE openFile RPC is simply no longer invoked from this code path
Evidence

Failed to open file in IDE via MCP:

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

See this entry in the whole of v2.1.221 →

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