v1.67.0 (2026-03-06)

What's Changed

🚀 Features

• Add GPT-5.4 support by @theadityarao in #4554
• Support WebSearchTool for OpenRouterModel through OpenRouter plugins by @mochow13 in #4022
• Rehaul Tavily search tool by @sarth6 in #4158
• Enable native structured output support for Ollama provider by @OiPunk in #4536

🐛 Bug Fixes

• Add missing Vercel AI SDK v6 tool approval part types by @bendrucker in #4388

New Contributors

• @theadityarao made their first contribution in #4554

Full Changelog: v1.66.0...v1.67.0