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Releases: google/adk-java

v0.3.0

18 Sep 04:03
@Doris26 Doris26
v0.3.0
1d47235
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v0.3.0 Latest
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⚠ BREAKING CHANGES

  • Allow beforeModelCallback to modify the LLM request
  • Integrate Memory Service into ADK runtime
  • This change requires users to update their configurations to provide a service account JSON file. This enables authentication with cloud services.

Features

  • Add BaseToolset and update McpToolset to use the new interface (2aa474d)
  • Add BaseToolset and update McpToolset to use the new interface (a211ac4)
  • Add code executor (5ffa984)
  • Add configurable CORS support via application.yml properties (4d4fe25)
  • Add ContainerCodeExecutor (a0a1616)
  • Add CORS configuration for local ADK-Web angular (4d4fe25)
  • Add DeepWiki badge to README (2a44d51)
  • Add GeminiSchemaUtil for converting OpenAPI/MCP JsonSchema to com.google.genai.types.Schema (1945fad)
  • Add include_contents option to LlmAgentConfig to control inclusion of previous event contents in LLM requests (2bfbc8f)
  • add instruction state injection bypass (a3746ed)
  • Add MCP Toolset support for agent configuration (bdc39f7)
  • Add sessionId() and events() to ReadOnlyContext (a348a30)
  • Add support for configuring agent callbacks in YAML (27c0172)
  • Add support for configuring subagents in ADK agents via YAML (d827eae)
  • Add support for programmatic sub-agent resolution using 'code' key (c498d91)
  • add support for Streamable HTTP Connections to MCP Tools (bea3244)
  • Add support for streaming tools (fe1df53)
  • Add usage metadata to LLM Response model (f5b8fda)
  • Add VertexAiCodeExecutor (e5b1fb3)
  • Added JSON Schema for configurable agents (095eff6)
  • Added serviceAccountJson as a parameter for toolset (5ab8b14)
  • Adds mvn google-adk:web ... cli via maven plugin to allow users debug agents with Web UI much easier. (b02c559)
  • Adds support for YAML-based basic agents (9723f8a)
  • ADK Plugin Base Class (dc29535)
  • AgentStaticLoader; like an 🧝 Elve, instead of the 🧙 mage (fixes #149) (5fcd413)
  • Allow LongRunningFunctionTool to be created with an instance (9bd2bd6)
  • Allow max tokens to be customizable in Claude (bbf38e3)
  • bypass state injection for instructions constructed with an InstructionProvider (ef2931a)
  • config: Adds ComponentRegistry for loading objects in yaml config (55fffb7)
  • config: Adds resolveAgentClass, resolveToolInstance and resolveToolClass to ComponentRegistry for resolving the 3 type of components (8c107d2)
  • config: Supports loading yaml agents in mvn google-adk@web ... (417a8bc)
  • Enforce serializable types for FunctionTools (bd0bb57)
  • Implement automatic tool discovery for config-based agents (a2d9533)
  • Implement tool configuration loading (f27f48c)
  • Initial tutorials/city-time-weather (6ce41ef)
  • Integrate Memory Service into ADK runtime (f4f8309)
  • Integrating Plugin with ADK (c037893)
  • introduce an experimental parameter to limit number of steps LlmAgent can take (4983747)
  • Introduce ExampleTool for few-shot examples in LlmAgent (2162f89)
  • Introduced ApplicationIntegrationToolset in JavaADK (e21807c)
  • Introduced ConnectionClient and IntegrationClient to get OPENAPISPEC of connection (1e114cd)
  • JBang! 💥 🤯 (e10e4f9)
  • Make FunctionDeclaration.buildFunctionDeclaration public (5bf9cb0)
  • make readonly context more efficient (60a1707)
  • Make StreamableHttpServerParameters class non-final to allow subclassing (bc3ae43)
  • maven: Supports using custom/subclass of ComponentRegistry to provide tools for agents (7c7d779)
  • pass headers while init mcp client (744814a)
  • pass timeout config while init mcp client (d255167)
  • provide more detailed logs when mcp tool declaration failed. (4d5b63a)
  • Refactors ADK agent loading with a new AgentLoader interface, add CompiledAgentLoader and AgentStaticLoader implementation, move YAML agent loader support to maven_plugin (0f7904b)
  • SseServerParameters: Add configuration option for connection endpoint (83899b9)
  • support AsyncMcpTool (0c50970)
  • support for mcp async toolset (b867ea2)
  • update ConfigAgentLoader to load agents from the current directory (008c196)
  • Update FunctionTool to handle deserializing arbitrary return types (a33f4da)
  • Update model resolution logic for LLM agents (4fc83f0)

Bug Fixes

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v0.2.0

30 Jun 22:37
@shukladivyansh shukladivyansh
v0.2.0
e697b06
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v0.2.0

0.2.0 (2025-06-30)

Features

  • LangChain4j Integration: Added experimental integration with LangChain4j to support third-party and local models. (0d1bb89)
  • Enabled FunctionTools to be created for methods that return a Single, improving support for asynchronous operations. (cb49092)
  • FunctionTools can now be created for object instances in addition to static methods. (71d7325)
  • Added an endInvocation field to Event Actions, allowing developers to interrupt or explicitly stop the agent loop after a tool call. (1909869, 07989e2)
  • Implemented VertexAiRagRetrieval using AI Platform APIs. (b5f17f3)
  • Added support for chained callbacks for before/after model, agent, and tool execution events. (1cf889d, 2501dc1, b55ed61)
  • Add InMemoryMemoryService (c8fed2d)
  • Development UI:
    • Save and reuse evaluation thresholds across runs. (f71ee0f)
    • Display the specific metric used in evaluation history. (cec9ef3)
    • Render HTML artifacts directly in the chat window. (49e8d85)
    • Added a button to export the current session to a JSON file. (0592dc5)
    • Updated minified web files to include all the latest UI changes. (bab4bd9)

Bug Fixes

  • Fixed an OpenTelemetry version mismatch caused by a Spring Boot dependency override. (94cadce)
  • Correctly track state updates within callbacks. (8665637)
  • Fixed a bug in SessionUtils that incorrectly filtered out previous events in chats for Vertex-stored sessions. (06529d2)
  • Fixed a bug where listing events would fail if the session list was empty. (d4ec143)
  • Removed an incorrect auto-value dependency that was causing confusing annotation processing messages during builds. (d8e5629)
  • Fixed a bug when using RunConfig to save blob inputs as artifacts. (3762368)
  • Fixed artifact loading by refactoring BaseLlmFlow's preprocess and postprocess methods to be non-blocking and return a Single. (1331879, 94b061a)
  • The agent description check now correctly handles null or empty strings. (a62c37d)
  • Development UI:
    • Fixed an OAuth issue preventing proper authentication. (4a73947)
    • Fixed an issue where the web UI could not be served under a custom route. (590065c)
    • Fixed an issue where evaluation history cases could not be toggled. (6f94b23)

Documentation

  • Added JitPack to the README as an installation option. (04dd583)
  • Fixed broken Javadoc comments in InstructionUtils. (9681380)

Chores

  • Introduced a parent POM to simplify the project structure and build process. (dc02503)
  • Added the Maven Wrapper (./mvnw) to ensure a consistent build environment for all contributors. (4a4007a)
  • Applied extensive reformatting, style fixes, and code clarity improvements across the entire codebase. (891acac, 471bddb, bc43a23, etc)
  • Renamed all internal references from "Google ADK" to "ADK" for consistency. (c31b2ee)
  • The library now dynamically loads the project version from a version.properties file. (8c98a38)
  • The process for creating Gemini model instances has been simplified. (fca01e7)
  • Remove blocking calls from Runner and GcsArtifactService (79fc8a6)
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