The Apache Flink Community is pleased to announce the first bug fix release of the Flink Agents 0.3 series.
This release includes 5 bug fixes, Flink 2.3 distribution support, and installer improvements for Flink Agents 0.3. Below you will find a list of the main bug fixes and improvements (excluding improvements to the build infrastructure and build stability). For a complete list of all changes, please see: GitHub Issues.
We highly recommend all users upgrade to Flink Agents 0.

Flink is an open-source stream processing framework for building real-time data applications, offering powerful features for data processing, analytics, and event-driven architectures. Developers can learn about stream processing concepts, event-driven architectures, and real-time analytics techniques to build scalable and fault-tolerant data pipelines for processing large volumes of data in real-time.

Flink

Apache Flink Agents 0.3.1 is a bug fix release for the 0.3 series, addressing 5 issues and adding Flink 2.3 distribution support along with installer improvements. Key fixes include resolving a Python AgentConfigOptions issue that incorrectly starts the PyFlink gateway during Pemja worker initialization, fixing ActionStateSerde deserialization failures for built-in event subclasses during durable recovery, correcting order-dependent prompt placeholder substitution, and patching crashes in Anthropic chat model responses with no text block and Java tool params missing descriptions. Maven artifacts are available for integrations with Ollama, OpenAI, Anthropic, Azure AI, Bedrock, Gemini, Elasticsearch, Milvus, OpenSearch, S3 Vectors, and MCP.

Apache Flink Agents 0.3.1 Release Announcement