v1.29.0

What's Changed

• test: pin virtualenv to <21 for hatch bug by @clareliguori in #1771
• fix(telemetry): added latest semantic conventions as span attributes for langfuse by @poshinchen in #1768
• fix: preserve guardrail_latest_message wrapping after tool execution by @austinmw in #1658
• feat(conversation-manager): improve tool result truncation strategy by @kevmyung in #1756
• feat(plugins): improve plugin creation devex with @hook and @tool decorators by @Unshure in #1740
• ci: bump actions/upload-artifact from 6 to 7 by @dependabot[bot] in #1777
• ci: bump actions/download-artifact from 7 to 8 by @dependabot[bot] in #1776
• fix: throw exceptions from ConcurrentToolExecutor (#1796) by @charles-dyfis-net in #1797
• feat: add OpenAI Responses API model implementation by @notgitika in #975

New Contributors

• @austinmw made their first contribution in #1658

Full Changelog: v1.28.0...v1.29.0