0.4.0 (2026-02-25)

Features

• Add ADK CLI version command. (#115) (871be23)
• Add ApigeeLlm to the typescript ADK (#125) (9e42b25)
• add database session service (b3c38fe)
• flip ADK CLI to be ESM native instead of CommonJS. (#113) (1eb443e)

Bug Fixes

• handle state and state delta request body params in ADK API server. (#117) (9aeb1f6)
• use isBaseTool | isLlmAgent instead of instanceof keyword. (#116) (cc4d67b)

0.4.0 (2026-02-25)

Features

• Add ADK CLI version command. (#115) (871be23)
• add database session service (b3c38fe)
• flip ADK CLI to be ESM native instead of CommonJS. (#113) (1eb443e)

Bug Fixes

• handle state and state delta request body params in ADK API server. (#117) (9aeb1f6)

Dependencies

• The following workspace dependencies were updated
  • dependencies
    • @google/adk bumped from ^0.3.0 to ^0.4.0

What's Changed

• Define agent integration tests framework by @kalenkevich in #100
• Add precommit hook to check for API keys in files to prevent leaks by @kalenkevich in #110
• chore: Bump @modelcontextprotocol/sdk from 1.25.3 to 1.26.0 in the npm_and_yarn group across 1 directory by @dependabot[bot] in #112
• Add ADK CLI version command by @kalenkevich in #115
• Switch instanceof operator to type guard function for class instances part 2. by @kalenkevich in #116
• Handle state and state delta request body params in ADK API server. by @kalenkevich in #117
• Flip ADK CLI to be ESM native instead of CommonJS by @kalenkevich in #113
• Add test coverage npm command by @kalenkevich in #121
• Mute @google/adk logs while running tests by @kalenkevich in #120
• Remove pr commit check workflow by @kalenkevich in #124
• Add license check workflow by @kalenkevich in #123
• Create session service registry and wire that to CLI. by @kalenkevich in #126
• feat: Add ApigeeLlm to the typescript ADK by @mdomingo22 in #125
• Add ADK TS Improvements Design Document by @dewitt in #134
• Standardize API exports and AgentEvent types by @dewitt in #136
• Add getOrCreateSession helper to BaseSessionService by @dewitt in #138
• Relax agent naming validation and add pauseOnToolCalls config by @dewitt in #140
• Add utils to convert events from snake_case <-> camelCase. by @kalenkevich in #127
• chore: Bump qs from 6.14.1 to 6.14.2 in the npm_and_yarn group across 1 directory by @dependabot[bot] in #150
• Pull request template for typescript by @ryanaiagent in #148
• chore: Bump ajv from 6.12.6 to 6.14.0 in the npm_and_yarn group across 1 directory by @dependabot[bot] in #159
• feat: Add AdkWebClient service by @kalenkevich in #153
• Implement Runner streaming and stateless execution by @dewitt in #142
• Refactor error handling and fix state persistence in LlmAgent by @dewitt in #144
• A2A integration: Add util to convert A2A <-> GenAI parts. by @kalenkevich in #160
• Remove Hard-coded check that prevents set tools and outputSchema. by @kalenkevich in #130
• Add FileArtifactService by @kalenkevich in #131
• Add tests for cli entrypoint by @kalenkevich in #122
• docs: improve repository setup and build documentation by @dewitt in #163
• Add database session service by @kalenkevich in #129

New Contributors

• @mdomingo22 made their first contribution in #125
• @ryanaiagent made their first contribution in #148

Full Changelog: adk-v0.3.0...devtools-v0.4.0

0.4.0 (2026-02-25)

Features

• Add ApigeeLlm to the typescript ADK (#125) (9e42b25)
• add database session service (b3c38fe)
• flip ADK CLI to be ESM native instead of CommonJS. (#113) (1eb443e)

Bug Fixes

• use isBaseTool | isLlmAgent instead of instanceof keyword. (#116) (cc4d67b)

What's Changed

• Define agent integration tests framework by @kalenkevich in #100
• Add precommit hook to check for API keys in files to prevent leaks by @kalenkevich in #110
• chore: Bump @modelcontextprotocol/sdk from 1.25.3 to 1.26.0 in the npm_and_yarn group across 1 directory by @dependabot[bot] in #112
• Add ADK CLI version command by @kalenkevich in #115
• Switch instanceof operator to type guard function for class instances part 2. by @kalenkevich in #116
• Handle state and state delta request body params in ADK API server. by @kalenkevich in #117
• Flip ADK CLI to be ESM native instead of CommonJS by @kalenkevich in #113
• Add test coverage npm command by @kalenkevich in #121
• Mute @google/adk logs while running tests by @kalenkevich in #120
• Remove pr commit check workflow by @kalenkevich in #124
• Add license check workflow by @kalenkevich in #123
• Create session service registry and wire that to CLI. by @kalenkevich in #126
• feat: Add ApigeeLlm to the typescript ADK by @mdomingo22 in #125
• Add ADK TS Improvements Design Document by @dewitt in #134
• Standardize API exports and AgentEvent types by @dewitt in #136
• Add getOrCreateSession helper to BaseSessionService by @dewitt in #138
• Relax agent naming validation and add pauseOnToolCalls config by @dewitt in #140
• Add utils to convert events from snake_case <-> camelCase. by @kalenkevich in #127
• chore: Bump qs from 6.14.1 to 6.14.2 in the npm_and_yarn group across 1 directory by @dependabot[bot] in #150
• Pull request template for typescript by @ryanaiagent in #148
• chore: Bump ajv from 6.12.6 to 6.14.0 in the npm_and_yarn group across 1 directory by @dependabot[bot] in #159
• feat: Add AdkWebClient service by @kalenkevich in #153
• Implement Runner streaming and stateless execution by @dewitt in #142
• Refactor error handling and fix state persistence in LlmAgent by @dewitt in #144
• A2A integration: Add util to convert A2A <-> GenAI parts. by @kalenkevich in #160
• Remove Hard-coded check that prevents set tools and outputSchema. by @kalenkevich in #130
• Add FileArtifactService by @kalenkevich in #131
• Add tests for cli entrypoint by @kalenkevich in #122
• docs: improve repository setup and build documentation by @dewitt in #163
• Add database session service by @kalenkevich in #129

New Contributors

• @mdomingo22 made their first contribution in #125
• @ryanaiagent made their first contribution in #148

Full Changelog: adk-v0.3.0...adk-v0.4.0

0.3.0 (2026-01-31)

Features

• Add headers option for MCP Session manager and deprecate the header option. (#98) (c28aae3)
• add setLogger() for custom logger support (#96) (7e96728)
• support Zod v3 and v4. (#46) (accb7ca)

Bug Fixes

• use getter for rootAgent to match Python SDK behavior (#95) (23b1d7f)

Miscellaneous Chores

• support release-please for release automation (2c55c5d)

0.3.0 (2026-01-31)

Features

• support Zod v3 and v4. (#46) (accb7ca)

Miscellaneous Chores

• support release-please for release automation (2c55c5d)

Dependencies

• The following workspace dependencies were updated
  • dependencies
    • @google/adk bumped from ^0.2.5 to ^0.3.0

0.3.0 (2026-01-31)

Features

• Add headers option for MCP Session manager and deprecate the header option. (#98) (c28aae3)
• add setLogger() for custom logger support (#96) (7e96728)
• support Zod v3 and v4. (#46) (accb7ca)

Bug Fixes

• use getter for rootAgent to match Python SDK behavior (#95) (23b1d7f)

Miscellaneous Chores

• support release-please for release automation (2c55c5d)

0.2.5 (2026-01-28)

Miscellaneous Chores

• support release-please for release automation (2c55c5d)

Dependencies

• The following workspace dependencies were updated
  • dependencies
    • @google/adk bumped from ^0.2.4 to ^0.2.5

0.2.5 (2026-01-28)

Bug Fixes

• handle empty MCP schema types during Gemini conversion (345d16b)
• Fix bug when ADK web server crashes on agent graph generation (3c7f28e)

Changed

• Update the test as per review to use toEqual (5680f93)
• Stop using instanceof operator and replace it with a type guard function to check for class instances (1921e54)

Miscellaneous Chores

• support release-please for release automation (2c55c5d)
• Fix doctype warning during doc generation (5bb216f)
• Bump lodash-es in the npm_and_yarn group (af195be)
• Generate docs for the @google/adk-js package using TypeDoc (3fd2f35)

Full Changelog: v0.2.3...v0.2.4

Bumping version to 0.2.3 to fix lodash import errors.

Full Changelog: v0.2.2...v0.2.3