Claude Code 2.1.299 reportedly adds idle compaction
SemiAnalysis says sessions with 200k-plus context automatically compact after about 54 idle minutes.
TLDR
SemiAnalysis says Claude Code 2.1.299 added “idle compaction” to its terminal interface. According to the post, sessions with 200k-plus context compact after roughly 54 idle minutes to refresh a one-hour TTL and avoid uncached-input charges. The account predicts the change will save users money.
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