Tool Use

Tavus, an AI research company, has developed a real-time conversational video agent achieving sub-1 second latency by optimizing their Phoenix-2 model architecture. Key innovations include switching from NeRF to Gaussian Splatting for 70+ fps generation, hyper-optimizing each component (vision, ASR, LLM, TTS), and implementing specialized end-of-turn detection to enable natural human-AI conversations.

Claude Code v2.1.59 introduces auto-memory context saving with /memory management, a new /copy command for interactive code block selection, and improved bash command prefix suggestions for compound commands. The release also includes memory optimization for multi-agent sessions, fixes for MCP OAuth token refresh race conditions, and better error messaging for deleted working directories.

Claude Code v2.1.63 release includes new slash commands (/simplify, /batch), HTTP hooks support, and numerous bug fixes and memory leak resolutions. Key improvements address MCP server handling, git worktree configuration sharing, message ordering in REPL bridge, and long-running session stability.

Claude Code v2.1.68 updates Opus 4.6 to default to medium effort for Max and Team subscribers, reintroduces the 'ultrathink' keyword for enabling high effort, and removes Opus 4 and 4.1 from the first-party API with automatic migration to Opus 4.6.

Claude Code v2.1.69 release adds the `/claude-api` skill for API development, expands voice STT support to 10 new languages (20 total), and introduces numerous UX improvements including effort level display, numeric keypad support, and custom session naming for remote control. The release includes significant bug fixes addressing security issues, memory leaks, plugin trust dialogs, OAuth keychain corruption, and various UI/terminal interaction problems.

Claude Code v2.1.70 release fixes multiple critical issues including API 400 errors with third-party gateways, model response problems after ToolSearch, clipboard corruption on Windows, and voice mode failures. The update also improves performance with 74% fewer prompt re-renders, adds VS Code session management in the activity bar, and introduces native MCP server management through the `/mcp` command.