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v2.21.4
Refresh the tested MCP SDK baseline and correct CT maintenance summaries.
Fixed
- Read CT limiter snapshots in maintenance summaries from the runtime's shared
state-directory resolver, including fresh XDG installations. Preserve legacy
and explicit override precedence and clarify that persisted counters can
include earlier runs. This changes validation tooling, not packaged lookups.
Changed
- Refresh the production lock and blocking current-SDK compatibility row to
MCP 2.3.0 and its matching types. Keep the 1.28.1 rollback and 2.0.0 floor
rows, the existing supported dependency range, and the passive collection
boundary. The SDK update includes stdio event-loop and legacy framing fixes.
Tool Surface Changes
Tool surface changes: no CLI command or flag changes.