Apache Flink Agents 0.1.1 Release Announcement

December 9, 2025 - Wenjin Xie

The Apache Flink Community is pleased to announce the first bug fix release of the Flink-Agents 0.1 series.

This release includes 11 bug fixes, vulnerability fixes, and minor improvements for Flink-Agents 0.1. Below you will find a list of all bug fixes and improvements (excluding improvements to the build infrastructure and build stability). For a complete list of all changes, please see: ISSUE.

We highly recommend all users upgrade to Flink-Agents 0.1.1.

Release Artifacts #

Maven Dependencies #

<dependency>
  <groupId>org.apache.flink</groupId>
  <artifactId>flink-agents-api</artifactId>
  <version>0.1.1</version>
</dependency>
<dependency>
    <groupId>org.apache.flink</groupId>
    <artifactId>flink-agents-integrations-chat-models-ollama</artifactId>
    <version>0.1.1</version>
</dependency>

Binaries #

You can find the binaries on the updated downloads page.

PyPi #

flink-agents==0.1.1

Release Notes #

    Release Notes - Flink-Agents - Version 0.1.1

Bug

[276] - Python code under e2e_test cannot import the mcp module
[284] - Tongyi model failed to handle tool calls
[293] - The test case fails to run on Windows
[296] - Failed to load Flink legacy yaml config
[297] - PythonActionTask failed to serialize for Flink state
[323] - Ollama4j can't work with ollama v0.12.10 and above
[325] - Invalid JSON in product_review.txt line 2488
[336] - Tool call doesn't work in OpenAI chat model integration
[340] - Python async execution can not work with flink checkpoint
[366] - PythonEvent does not show properly in event log

Improvement

[264] - Use event-time in workflow quickstart example