v2.43.0 (2026-09-11)

What's Changed

🚀 Features

• Add a first-run banner describing the run, and open clai sessions with it by @DouweM in #7447

🐛 Bug Fixes

• Preserve text part boundaries after tool calls in OpenAIChatModel by @KaranJayakumar in #8235
• fix(temporal): key tool opt-out checks on operation kind, not an MCP import by @adtyavrdhn in #8257

New Contributors

• @KaranJayakumar made their first contribution in #8235

Full Changelog: v2.42.0...v2.43.0