Bug Fixes

• dependencies resolution (#1454)
• ignore empty tool messages (#1455)
• preserve LiteLLM text with tool calls (#1450)

Features

• tools: allow changing backend for DuckDuckGo Search Tool
• add python 3.14 support (#1449)

New Contributors

• @TomasKorbar made their first contribution in #1449
• @asim48-ctrl made their first contribution in #1450
• @pragnyanramtha made their first contribution in #1455

Full Changelog: python_v0.1.80...python_v0.1.81

0.1.29 (2026-05-05)

• bump deps

Full Changelog: typescript_v0.1.28...typescript_v0.1.29

Bug Fixes

• MCP output types, requirement target extraction (#1435)
• restrict Python version to <3.14 in PEP 621 metadata (#1433)
• deep copy PromptTemplate config to prevent shared mutable state across agents (#1419)

Features

• serve: add Zed ACP adapter for exposing agents over stdio (#1428)
• mcp: make exclude_none configurable in MCPTool parameters (#1429)
• validate class names in dynamic adapters (#1408)

New Contributors

• @SoftEgLi made their first contribution in #1419
• @iron-prog made their first contribution in #1409
• @RinZ27 made their first contribution in #1408

Full Changelog: python_v0.1.79...python_v0.1.80

Features

• update dependencies to fix security issues (f9d9a2b)

Full Changelog: typescript_v0.1.27...typescript_v0.1.28

Features

• update dependencies to fix security issues

Full Changelog: python_v0.1.78...python_v0.1.79

Features

• update langchain and related dependencies to fix CVE issues

Full Changelog: python_v0.1.77...python_v0.1.78

Features

• backend: set finish reason for manual tool calls (fa0f5f4)
• backend: migrate to VercelAI SDK v6 (#1402) (85bb9bb)
• backend: improve error handling for Groq (#1402) (85bb9bb)

Full Changelog: typescript_v0.1.26...typescript_v0.1.27

Features

• extend VectorStore and VectorStoreSearchTool parameters
• update agentstack-sdk to the latest version (#1405)

Full Changelog: python_v0.1.76...python_v0.1.77

Features

• handle empty chunks and invalid responses (watsonx) (#1391) (2beeca9)
• improve error recovery for malformed tool calls
• bump dependencies

Full Changelog: typescript_v0.1.25...typescript_v0.1.26

Features

• auto recover from malformed tool calls and empty responses (#1388) (f721e41)

Full Changelog: typescript_v0.1.24...typescript_v0.1.25