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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 v2.1.239 ·

Config lock contention metric narrowed

The settings lock contention counter stops counting unrelated storage failures.

Under the hood Internal Changes
JSON All of v2.1.239
Under the hoodTier: how much it should matter to you
1Useful: my rating, 1 to 5
1Signal: worth watching, 1 to 5
SettingsArea: what it touches
Internal ChangesKind: in v2.1.239,
Internal ChangesSection of the release
What

The counter that tracks contention on the settings file lock previously fired for any unavailability from the storage layer. It now only fires when the error is specifically flagged as lock contention or a suspected lock, so unrelated failures stop inflating it.

Evidence

tengu_config_lock_contention

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

See this entry in the whole of v2.1.239 →

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