[new]grok-4-5 and grok-4-6 are available in the model list.[new]Expanded Grok bot support: agents and templates, transcript watch/commit, room turns, widgets, reactions/feedback, and related client RPCs.[new]Origin sharing and access controls: repo share invites, external collaborators, and shared-target enable/revoke flows.[new]Canvas support: fetch canvas metadata/payload and list user canvases; cloud canvas skill wiring.[new]Voice-related surface: voice mode settings, voice-call secret minting, and Sand voice-call flag plumbing.[new]MCP tool allowlist modes (replaces the prior unified MCP loopback flag path).[new]Inline visualizations support.[new]Glass PR code tour and portal stack navigation; project notes TL;DR card and related Glass project UI toggles.[new]Agent-host work for native cloud subagents, subagent interactions, and remote agent host paths (Glass/mobile).[new]Sand multi-machine local exec, machine registration/labeling, roster/send-via-server options, threads tray, account switching, accent theming, notification sounds, and related mobile/settings flags.[new]Windows updater recovery path.[new]Prompt-quality upload endpoint for local agent runs (https://api.cursor.com/prompt-quality/upload-local-agent-run).[changed]Origin API hosts now resolve underapi.origin.cursor.com/api.origin-staging.cursor.com(replacing the prior origin host entries).[changed]Composer system-prompt / agent-type marker paths refreshed for the current agent runtime.[removed]Several older flags retired from the build, including cloud multitask mode, unified composer trays, unified MCP loopback, supplemental Glass sidebar, and slow model-catalog refresh when unfocused.
Availability
3.18.9 is on latest for all desktop platforms: macOS (arm64/x64), Linux (arm64/x64), and Windows (arm64/x64). Stable remains on 3.17.21.