Under the hoodTier: how much it should matter to you
1Useful: my rating, 1 to 5
3Signal: worth watching, 1 to 5
TelemetryArea: what it touches
Internal ChangesKind: in v2.1.290,
Internal ChangesSection of the release
Unclear It is not clear what triggers either category.
What
Two new category names were added to Claude Code's internal debug and reporting list: mcp_content_over_structured and ccr_lost_session_timers. Claude Code also records the state of git once per run when auto mode is in use.
Why
The names suggest work on how MCP tool results are handled when they come in both plain and structured form, and on recovering lost timers in cloud sessions.
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 doubtIt is not clear what triggers either category.
