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Sweep 02 Oct 2026 · 18:55Z Build v2.1.288 509 read Stable v2.1.285 Latest v2.1.287 Next v2.1.288 Feeds RSS JSON llms.txt llms-full.txt Unofficial

Claude Code v2.1.288 ·

Warning when your CLAUDE.md instruction files grow too large

Claude Code can warn you when the combined size of your CLAUDE.md instruction files goes over the limit, showing the size and the limit

You'll notice Improvements
JSON All of v2.1.288
You'll noticeTier: how much it should matter to you
3Useful: my rating, 1 to 5
3Signal: worth watching, 1 to 5
Memory FilesArea: what it touches
ImprovementsKind: in v2.1.288,
ImprovementsSection of the release
What

CLAUDE.md files hold instructions that Claude Code reads at the start of a session. Claude Code can now show a warning when the combined size of these files goes over a limit. The warning gives the total number of characters and the limit.

The warning appears only when a server-controlled switch, off unless it is switched on remotely, allows it and a further check on your environment passes.

Why

It tells you when your instruction files have grown too large, so you can trim them.

Read from
Feature flag
tengu_jolly_aurora Not enough to say

Nothing here resolved what this flag was doing on this version, so nothing here should be read as on or off.

This account: no value returned · anonymous baseline: no value returned · compiled default in v2.1.288: off

These values were read against a different version of Claude Code, so treat them as the nearest reading available instead of one taken on this release.

Read once, for one account on one subscription tier, against v2.1.288. It isn't a statement about your account. What a flag value here can and cannot tell you

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 further environment check looks at is not known.
The name it cites is new in this buildNew in this build: tengu_jolly_aurora

See this entry in the whole of v2.1.288 →

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