What probably matters to youSection of the release
What
The bundled config schema for Claude Desktop third-party deployments has new admin settings. A schema is the list of settings a config file may contain. These apply to the desktop app, not the command-line Claude Code.
builtinBrowser: builtinBrowserEnabled (off by default), builtinBrowserDefaultDomainPolicy (allow or block), builtinBrowserAllowedDomains and builtinBrowserBlockedDomains.
sessionRetention: chatSessionRetentionDays, coworkSessionRetentionDays, codeSessionRetentionDays and sessionRetentionHold.
Plugin MCP tool policy now covers any installed plugin.
Why
Admins can turn on the desktop app's built-in browser and limit which sites it reaches. They can also set how many days chat, cowork and code sessions are kept, or put a hold on deletion.
How sure we are
One source agreesOne thing we can check says the same as this entry.
Anthropic's release notes agreeFixed the Claude apps gateway refusing to start when a desktop policy sets Claude Desktop's built-in browser keys, such as…