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Sweep 10 Nov 2026 · 02:18Z Build v2.1.322 539 read Stable v2.1.311 Latest v2.1.322 Next v2.1.322 Feeds RSS JSON llms.txt llms-full.txt Unofficial

Claude Code v2.1.269 ·

New post-turn memory feature with configurable extraction

A new post-turn memory feature can extract memories via an MCP server instead of writing files, controlled by new env vars

Group of 2 Use it now Notable New Features
JSON All of v2.1.269
Use it nowTier: how much it should matter to you
5Useful: my rating, 1 to 5
4Signal: worth watching, 1 to 5
MemoryArea: what it touches
New FeaturesKind: in v2.1.269,
What probably matters to youSection of the release

Unclear What post-turn memory actually does when triggered (what it writes or where) is not described in the finding.

What

  • Three new environment variables control a new "post-turn memory" feature: CLAUDE_CODE_POST_TURN_MEMORY turns it on, CLAUDE_CODE_POST_TURN_MEMORY_CONFIG carries a JSON config (instruction, every_n_turns from 1-100 default 5, max_turns from 1-8 default 4, idle_flush_s from 0-86400 default 120), and CLAUDE_CODE_POST_TURN_MEMORY_SYNC forces synchronous flushing (everyNTurns=1, idleFlushSeconds=0).
  • The background memory-extraction task now supports a second mode, mcp, driven by these same env vars: instead of writing memory files, it calls a query using the configured instruction and supports idle-flush timers.
  • Extraction activity is now logged to a new ccr_memory_extract event set that records the mode (mcp vs file), instead of only the previous memory_extract event.

Why This lets memory extraction run through an MCP-based memory server rather than always writing local memory files, with configurable frequency, turn limits, and idle-flush timing, and gives clearer telemetry on which mode was used.

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 post-turn memory actually does when triggered (what it writes or where) is not described in the finding.

See this entry in the whole of v2.1.269 →

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