Session management now lets you name conversations with /new or /clear, pin important threads, and switch between side conversations without closing them. Agent Plugins manifests are supported, along with plugin marketplaces for Amazon Bedrock and Claude Code. Thread forking with paginated history is available, including temporary forks. Remote Code Mode hosts connect via WebSocket. Sign in with ChatGPT (beta) rolls out across Airtable, GitLab, HubSpot, Notion, Supabase, and Vercel for faster account creation.