chore(deps): update dependency dev.langchain4j:langchain4j to v1.9.1

[renovate]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
dev.langchain4j:langchain4j (source)	1.8.0 -> 1.9.1

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Release Notes

langchain4j/langchain4j (dev.langchain4j:langchain4j)

v1.9.1: and 1.9.1-beta17

Compare Source

What's Changed

• docu: update versions to 1.9.0 and 1.9.0-beta16 by @​dliubarskyi in #​4139
• Update versions to 1.10.0-SNAPSHOT and 1.10.0-beta17-SNAPSHOT by @​dliubarskyi in #​4140
• added LangChain4j workshop to additional material - reviewed by @​dliubarskyi by @​roryp in #​4142
• Update gemini batch docs by @​Bram-- in #​4130
• Avoid NPE when an agent has no output by @​mariofusco in #​4145
• Disable GlobalTestRetryExtension by default and remove junit-platform.properties by @​dliubarskyi in #​4147

Full Changelog: langchain4j/langchain4j@1.9.0...1.9.1

v1.9.0: and 1.9.0-beta16

Compare Source

Notable Changes

• Agentic: Introduce a generic agentic planner and reimplement all agentic patterns through it by @​mariofusco in #​3929
• MCP: WebSocket transport support by @​jmartisk in #​4032
• Gemini: Batch API by @​Bram-- in #​3942
• Anthropic: support through Vertex AI #​3193 by @​pbykovcoginiti in #​3362

Other Changes

• docu: update versions to 1.8.0 and 1.8.0-beta15 by @​dliubarskyi in #​3950
• Update versions to 1.9.0-SNAPSHOT and 1.9.0-beta16-SNAPSHOT by @​dliubarskyi in #​3951
• Fix a typo in the OutputGuardrails annotation by @​edeandrea in #​3948
• Remove unnecessary MCP registry client creation during test by @​jmartisk in #​3963
• docs: add Agentic AI to intro by @​vesense in #​3966
• Fix typos in annotation and documentation by @​justinchoi929 in #​3997
• Generate consistent and reproducible unique names for agents by @​mariofusco in #​3965
• Reflect recent MCP registry updates by @​jmartisk in #​4016
• vertex-ai-gemini: Expose vertex apiEndpoint in builder by @​eiselems in #​4021
• Fix wrong method name in AgentBuilder by @​mariofusco in #​4033
• Update Quarkus documentation link for Easy RAG by @​wadajo in #​4034
• Update playwright version to 1.56.0 by @​vesense in #​4025
• Doc: Added SQLServer 2025 embedding store integration by @​odelpozo-denodo in #​3992
• Add WatsonxModerationModel and refactor LangChain4j integration by @​andreadimaio in #​3982
• MCP: Supply custom headers via a supplier method by @​maff in #​4036
• Flatten request response objects by @​Bram-- in #​3955
• Initializing the guardrails module by @​agoncal in #​3928
• Fix OpenAi token usage class cast exception by @​linnaung in #​3912
• Refactor ToolExecutionResult to support lazy evaluation of result tex… by @​hemanthsavasere in #​3960
• Fixes #​3968 by @​dliubarskyi in #​4026
• test: add edge case and error handling tests for ParsingUtil by @​alxkm in #​3959
• chore(deps): update dependency org.codehaus.mojo:flatten-maven-plugin to v1.7.2 by @​renovate[bot] in #​3433
• CompressingQueryTransformer NullPointException by @​zxyyang in #​1120
• Ignoring Claude Code CLI markdown file CLAUDE.md by @​agoncal in #​4041
• Updates to Latest Infinispan and Jackson Versions by @​karesti in #​4038
• Enable case-insensitive enum deserialization in structured output parsing by @​mariofusco in #​4049
• Propagate root exception when json parsing fails by @​mariofusco in #​4046
• feat: Enable reasoning effort control for GPT-5 (o1 series) by @​caio-carne1ro in #​4052
• Add GPT_5_1 to open ai enum. by @​Bram-- in #​4054
• GitHub Models: support structured output by @​hrhrng in #​1917
• Allow different types of object in the argument of the agent invocation generated by the supervisor by @​mariofusco in #​4053
• Update qdrant client by @​boris-petrov in #​4077
• Refactor value classes to (nested) records in google-ai-gemini by @​Bram-- in #​4070
• programmatic tools return behavior by @​Yoann-philippe in #​4064
• feat(memory): implement dynamic window sizing for chat memory by @​PaperFly-web in #​4058
• Make the supervisor aware of the argument types of its subagents by @​mariofusco in #​4079
• feat: add video content type support to OpenAI integration by @​ldaugusto in #​4078
• Get rid of @​Subagent annotation in declarative agentic API by @​mariofusco in #​4081
• #​4067 Add BedrockTokenUsage with cache token usage by @​blaZ3 in #​4080
• Implement tool hallucination handling for streaming by @​vesense in #​3773
• Gemini batch chat model delete and cancel by @​Bram-- in #​3945
• Bump A2A SDK to version 0.3.2.Final by @​mariofusco in #​4090
• Add Gemini among possible model providers in agentic tests by @​mariofusco in #​4091
• add: implementation of removeAll(Filter) for WeaviateEmbeddingStore by @​AminAK11 in #​3555
• fix badge style by @​vesense in #​4094
• Receive and expose MCP tool metadata by @​jmartisk in #​4089
• Update gemini docs by @​Bram-- in #​4082
• Expose agentic system as tree and check key types consistency by @​mariofusco in #​4100
• Fix test for GOAP planner by @​mariofusco in #​4103
• Improve class description of ChatMessageType by @​lihuagang03 in #​4112
• Collect guardrail validation duration and attach it to the guardrail events by @​cescoffier in #​4119
• Update watsonx-ai dependency to 0.14.0 and add new parameters by @​andreadimaio in #​4114
• docs: Add back YugabyteDB examples to documentation by @​krishna-yb in #​4120
• Apply the ChatRequest transformation to all LLM calls in the same tools invocation loop by @​mariofusco in #​4104
• MongoDB: Update to the latest version and append framework name to MongoDB metadata by @​strogiyotec in #​4106
• Update the OpenAI Java SDK to 4.8.0 and fix the Azure authentication code by @​jdubois in #​4092
• Implement all of the Gemini Files APIs by @​Bram-- in #​4068
• Issue 4116 fix npe gemini base64 images by @​idoberko2 in #​4129
• feat: add default modelName() to EmbeddingModel and implement overrides by @​raphidlee in #​4133
• Parse structured results in A2A client by @​mariofusco in #​4127
• Gemini (async) batch embed api by @​Bram-- in #​4086
• feat: support Gemini 3 Pro thinking level configuration by @​glaforge in #​4137
• Fixes issue from #​3664 and adds handling of content filtered responses by @​jonathannaguin in #​3978
• Add create batch from [Gemini]File methods for GoogleAiGeminiBatch{Chat,Embed}Model by @​Bram-- in #​4128

New Contributors

• @​justinchoi929 made their first contribution in #​3997
• @​eiselems made their first contribution in #​4021
• @​wadajo made their first contribution in #​4034
• @​odelpozo-denodo made their first contribution in #​3992
• @​hemanthsavasere made their first contribution in #​3960
• @​zxyyang made their first contribution in #​1120
• @​caio-carne1ro made their first contribution in #​4052
• @​Yoann-philippe made their first contribution in #​4064
• @​PaperFly-web made their first contribution in #​4058
• @​ldaugusto made their first contribution in #​4078
• @​blaZ3 made their first contribution in #​4080
• @​AminAK11 made their first contribution in #​3555
• @​lihuagang03 made their first contribution in #​4112
• @​cescoffier made their first contribution in #​4119
• @​strogiyotec made their first contribution in #​4106
• @​pbykovcoginiti made their first contribution in #​3362
• @​idoberko2 made their first contribution in #​4129
• @​raphidlee made their first contribution in #​4133
• @​jonathannaguin made their first contribution in #​3978

Full Changelog: langchain4j/langchain4j@1.8.0...1.9.0

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