chore(main): release 1.0.0

[adk-java-releases-bot]

🤖 I have created a release beep boop

1.0.0 (2026-03-12)

⚠ BREAKING CHANGES

• remove deprecated LlmAgent.canonicalTools method
• remove deprecated LoadArtifactsTool.loadArtifacts method
• update LoopAgent's maxIteration field and methods to be @nullable instead of Optional
• Remove Optional parameters in EventActions
• remove deprecated url method in ComputerState.Builder
• Remove deprecated create method in ResponseProcessor
• remove McpAsyncToolset constructors
• use @nullable fields in Event class
• remove methods with Optional params from VertexCredential.Builder

Features

• add formatting to the RemoteA2A agent so it filters out the previous agent responses and updates the context of the function calls and responses (0d6dd55)
• add support for gemini models in VertexAiRagRetrieval (924fb71)
• Fixing the spans produced by agent calls to have the right parent spans (3c8f488)
• Fixing the spans produced by agent calls to have the right parent spans (973f887)
• Remove deprecated create method in ResponseProcessor (5e1e1d4)
• remove deprecated LlmAgent.canonicalTools method (aabf15a)
• remove deprecated LoadArtifactsTool.loadArtifacts method (bc38558)
• remove deprecated url method in ComputerState.Builder (a86ede0)
• remove McpAsyncToolset constructors (82ef5ac)
• remove methods with Optional params from VertexCredential.Builder (0b9057c)
• Remove Optional parameters in EventActions (b8316b1)
• Trigger traceCallLlm to set call_llm attributes before span ends (d9d84ee)
• update LoopAgent's maxIteration field and methods to be @nullable instead of Optional (e0d833b)
• update return type for artifactDelta getter and setter to Map from ConcurrentMap (d1d5539)
• update return type for requestedToolConfirmations getter and setter to Map from ConcurrentMap (143b656)
• update State constructors to accept general Map types (c6fdb63)
• use @nullable fields in Event class (67b602f)

Bug Fixes

• Explicitly setting the otel parent spans in agents, llm flow and function calls (20f863f)
• Make sure that InvocationContext.callbackContextData remains the same instance (14ee28b)
• Removing deprecated methods in Runner (0d8e22d)
• Removing deprecated methods in Runner (b857f01)

---

This PR was generated with Release Please. See documentation.

[gemini-code-assist]

Summary of Changes

Hello, I'm Gemini Code Assist¹! I'm currently reviewing this pull request and will post my feedback shortly. In the meantime, here's a summary to help you and other reviewers quickly get up to speed!

This pull request represents the automated release of version 1.0.0 for the adk-java project. This major version update introduces new capabilities, notably support for Gemini models in VertexAiRagRetrieval, and includes a breaking change by removing methods with Optional parameters from VertexCredential.Builder. The changes reflect a significant advancement in the project's features and API.

Highlights

• Major Version Release: Version 1.0.0 of the adk-java project has been released, signifying a new milestone.
• Gemini Model Support: Support for Gemini models has been added within VertexAiRagRetrieval.
• Breaking Change: Methods utilizing Optional parameters were removed from VertexCredential.Builder.

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Changelog

• CHANGELOG.md
  • BREAKING CHANGES: remove methods with Optional params from VertexCredential.Builder
  • Features: add support for gemini models in VertexAiRagRetrieval
  • Features: remove methods with Optional params from VertexCredential.Builder

Activity

• The adk-java-releases-bot automatically created this pull request to publish version 1.0.0.

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[gemini-code-assist]

Code Review

This pull request, generated by release-please, updates the project version to 1.0.0. The changes consistently bump the version across pom.xml files, README.md, and other configuration files. I've found one minor issue in the CHANGELOG.md regarding the release date that should be addressed.

[gemini-code-assist]

The release date is set to 2026-03-06, which is in the future. This is likely an error from the release automation and should be corrected to reflect the actual release date.