Follow Discord
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
HomeReleasesv2.1.233entry #31

Claude Code v2.1.233 ·

WebFetch cache lifetime is now configurable

You can set how long WebFetch keeps pages cached, in milliseconds.

Use it now Notable New Features
JSON All of v2.1.233
Use it nowTier: how much it should matter to you
4Useful: my rating, 1 to 5
2Signal: worth watching, 1 to 5
WebFetchArea: what it touches
New FeaturesKind: in v2.1.233,
What probably matters to youSection of the release
What

CLAUDE_CODE_WEBFETCH_CACHE_TTL_MS sets how long fetched pages stay cached, in milliseconds. Without it the built-in default applies. The value is read once on first use and also drives the cache duration shown in WebFetch output.

Details
  • Validated as a digits-only integer with a minimum of 1.
Usage
CLAUDE_CODE_WEBFETCH_CACHE_TTL_MS=900000 claude
Evidence

CLAUDE_CODE_WEBFETCH_CACHE_TTL_MS

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

Read from
Names in the bundleCLAUDE_CODE_WEBFETCH_CACHE_TTL_MS
How sure we are
Two sources agreeTwo things we can check say the same as this entry.
Anthropic's release notes agreeAdded CLAUDE_CODE_WEBFETCH_CACHE_TTL_MS environment variable to configure the WebFetch session URL cache TTL (default unchanged: 15 minutes)
The name it cites is new in this buildNew in this build: CLAUDE_CODE_WEBFETCH_CACHE_TTL_MS

See this entry in the whole of v2.1.233 →

Feedback