Under the hood
Useful1 Signal2
Transcript storage, session pid tracking and skill caches became per-host rather than process-wide.
What's wrong with this entry?
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What
Session transcript storage, the pid-file registry that tracks concurrent sessions, the bundled and user skills root caches, the MCP live client and command/resource-template lists, and the changelog cache all became per-host objects rather than process-wide ones. Test-only setters were exported for the transcript store.
Evidence
setRemoteIngressUrlForTesting
Strings lifted out of the shipped bundle, so the claim above can be checked against them.