{"version":"2.1.251","anchor":"a-hook-can-hold-back-a-claude-desktop-send","canonical_anchor":"a-hook-can-hold-back-a-claude-desktop-send","heading":"A hook can hold back a Claude Desktop send","tier":"notice","area":"Claude Desktop","scope":null,"heads_up":null,"url":"https:\/\/changelogs.core-directive.com\/v\/2.1.251\/e\/a-hook-can-hold-back-a-claude-desktop-send","release_url":"https:\/\/changelogs.core-directive.com\/v\/2.1.251","markdown":"### A hook can hold back a Claude Desktop send\n\nYou get a clear message when a hook blocks a Claude Desktop send, which can't be resumed.\n\n**What**\n\nIf a hook defers the Claude Desktop messaging tool mid-forward, Claude Code now says \"a hook deferred Claude Desktop's messaging tool, so nothing was sent\" and warns that a forwarded send cannot be resumed later.\n\n**Details**\n\n- Reachable on any run of the Claude Desktop forwarding path.\n\n**Evidence**\n\n`a hook deferred Claude Desktop's messaging tool, so nothing was sent`\n\n- Area: Claude Desktop\n- Tier: You'll notice\n- Useful: 2\/5\n- Signal: 3\/5"}