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0.12.0

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•Last updated Sep 22, 2026

MCP 2.x, and session isolation that actually holds.

The ModelContextProtocol 2.2.0 migration (#51, PR #71) is the defining change and already merged. It made MCP state per-connection while Scoped DI services were still one instance shared by every concurrent session, so this release finishes that story rather than opening a new front.

Cut line: the keystone is PR #74 (one DI scope per session). Beyond it, only defects in what just shipped, the diagnostics needed to see them, and the two public-surface corrections that are free before a stable cut and cost a deprecation cycle after it.

0.12.0 is cut stable via nbgv prepare-release. Release notes are generated from PR titles only (there is no CHANGELOG), so every PR in this milestone needs a title a consumer can read cold, and durable guidance belongs in the owning docs/ page.

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