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Sweep 22 Oct 2026 · 21:04Z Build v2.1.309 528 read Stable v2.1.308 Latest v2.1.309 Next v2.1.309 Feeds RSS JSON llms.txt llms-full.txt Unofficial

Claude Code v2.1.41 ·

Enhanced Memory System Guidance [Gradual Rollout]

Entry
JSON All of v2.1.41
EntryKind: in v2.1.41,
ChangesSection of the release
What

Detailed instructions for Claude on when and how to use the persistent memory directory.

Details

The new guidance includes:

  • When to access memories: When memories are relevant, user refers to prior work, or explicitly asks to recall
  • When to save memories: Project context, user preferences, debugging insights, architectural decisions
  • What to save: Patterns, conventions, user workflow preferences, recurring problem solutions
  • What NOT to save: Ephemeral task details, duplicate information contradicting CLAUDE.md
  • Memory hygiene: Remove outdated info, organize by topic not chronologically, use separate topic files
Status

Controlled by tengu_mulberry_fog feature flag (defaults to disabled)

Evidence

Memory guidance system (search for "You MUST access memories when")

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

See this entry in the whole of v2.1.41 →

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