What probably matters to youSection of the release
What
/mcp reconnect all and the enable/disable flows now add a single summary note when servers were changed from another running session, for example that N servers were re-enabled elsewhere so your disable did not stick. Previously only per-server versions of these sentences existed.
Details
The note tells you to disable and re-enable in /mcp, or restart, to reconnect affected servers.
Evidence
MCP server(s) were disabled in another session \u2014 disable and re-enable them in /mcp, or restart, to reconnect.
Strings lifted out of the shipped bundle, so the claim above can be checked against them.