Unverified50% confidenceFactExact time
When resuming historical sessions with --continue and --resume, early messages may be resent in an altered form, causing the API to discard Claude's previous reasoning; the new version fixes more such edge cases.
1
Sources
50%
Confidence
Medium-term (~90 days)
Relevance
9/24/2026
First Seen
Valid until: 12/23/2026
Sources
Related Entities
Related Claims
Unverifiedv2.1.281 fixes multiple session-restoration bugs, including earlier turns being re-sent in altered form upon session resumption causing the API to discard reasoning chains, restored oversized sessions only recovering the last few messages, and broken prompt caching.73% similarUnverifiedAfter a session rollback, if Claude has already modified files, the file changes still exist, which may cause inconsistency between the conversation state and the file system state.68% similarUnverifiedThis update fixes multiple crash issues related to --resume, --continue, and session restoration, including crashes when resuming conversations containing malformed message entries.67% similarUnverified遵循语义化版本规范的变更日志通常标注新增、变更、弃用、移除和修复等类别63% similarUnverified切换应用时前端可能重新初始化会话状态，触发新的查询请求，而旧请求未被正确取消导致重复计费，这是一种竞态条件问题63% similar
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