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

Claude Code v2.1.248 ·

Main REPL and question dialog ship without compiler-generated memo caches

The main REPL and question dialog dropped their compiler memo caches, possibly re-rendering more.

Under the hood Internal Changes
JSON All of v2.1.248
Under the hoodTier: how much it should matter to you
1Useful: my rating, 1 to 5
1Signal: worth watching, 1 to 5
REPLArea: what it touches
Internal ChangesKind: in v2.1.248,
Internal ChangesSection of the release
What

The top-level REPL component and the ask-user-question dialog are now plain functions using ordinary hooks, without the memo-slot arrays and cache comparisons the React Compiler produced for them previously. The only user-visible consequence would be extra re-render work.

Details
Evidence

CLAUDE_CODE_DISABLE_VIRTUAL_SCROLL

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

See this entry in the whole of v2.1.248 →

Feedback