Follow Discord
Sweep 10 Nov 2026 · 02:18Z Build v2.1.322 539 read Stable v2.1.311 Latest v2.1.322 Next v2.1.322 Feeds RSS JSON llms.txt llms-full.txt Unofficial

Claude Code v2.1.265 ·

New start/stop instrumentation around REPL inner tool execution

Claude Code now internally marks the start and end of each tool call for both local and remote execution

Under the hood Internal Changes
JSON All of v2.1.265
Under the hoodTier: how much it should matter to you
1Useful: my rating, 1 to 5
1Signal: worth watching, 1 to 5
TelemetryArea: what it touches
Internal ChangesKind: in v2.1.265,
Internal ChangesSection of the release
What

The internal code path that runs a tool call, whether it executes on the local machine or on a remote host, now records a marker just before and just after the actual call.

Why

This is internal instrumentation. It does not change what happens when a tool runs, but lays groundwork for measuring or tracking tool execution more precisely.

See this entry in the whole of v2.1.265 →

Feedback