Update langchain4j monorepo to v1.19.0

[renovate]

This PR contains the following updates:

Package	Change	Age	Confidence
dev.langchain4j:langchain4j-ollama (source)	1.17.2 → 1.19.0
dev.langchain4j:langchain4j-open-ai (source)	1.17.2 → 1.19.0
dev.langchain4j:langchain4j (source)	1.17.2 → 1.19.0

---

Release Notes

langchain4j/langchain4j (dev.langchain4j:langchain4j-ollama)

v1.19.0: and 1.19.0-beta29

Compare Source

Notable Changes

• MCP client according to 2026-07-28 by @​jmartisk in #​5881
• Update milvus to V2 service & support hybrid search by @​yangzho12138 in #​3311
• Add tool actions compensation at agentic system level by @​mariofusco in #​5823
• Add AnthropicBatchChatModel for the Anthropic Message Batches API by @​subhashpolisetti in #​5875
• MCP: surface tool result _meta in ToolExecutionResult.attributes() by @​dliubarskyi in #​6044
• Add watsonx.ai Model Gateway support and dedicated Deployment chat models by @​andreadimaio in #​5979
• Add thinking support to google-genai by @​subhashpolisetti in #​6041

Other Changes

• Update the watsonx.ai SDK to the latest version by @​andreadimaio in #​5710
• Redact sensitive AWS auth headers (Authorization, X-Amz-Security-Toke… by @​OmkarKathile007 in #​5799
• fix: do not consume the response body on the OkHttp streaming path by @​thswlsqls in #​5806
• Decode gzip/deflate responses in Utils.readBytes by @​TimurRakhmatullin86 in #​5801
• fix: Map connectTimeout to connection establishment in Apache HTTP client by @​thswlsqls in #​5807
• fix: Read SSE error response body as UTF-8 without reassembling line separators by @​thswlsqls in #​5809
• Disable Apache HttpClient's automatic retries by default in ApacheHttpClient by @​dliubarskyi in #​5811
• fix: preserve progressToken when applying a user-supplied MCP _meta by @​wushiyuanmaimob in #​5792
• fix: treat an MCP $ref outside $defs as a plain schema, not a reference by @​subhashpolisetti in #​5790
• fix: tear down previous MCP connection on reconnect to avoid resource leak by @​farzad-sedaghatbin in #​5757
• fix: make Utils.merge null-safe and never return null by @​Ayomipo18 in #​5817
• fix: avoid NoSuchElementException in dynamic tool refresh on evicted user message by @​subhashpolisetti in #​5820
• chore: update google-genai to 1.63.0 by @​glaforge in #​5824
• build(deps): bump websocket-driver from 0.7.4 to 0.7.5 in /docs by @​dependabot[bot] in #​5779
• Fix NPE when LanguageModelQueryRouter receives an unknown retriever id from the LLM by @​TimurRakhmatullin86 in #​5796
• docs: update Valkey embedding store to 9.1 GA container by @​madolson in #​5768
• fix(deps): update dependency org.postgresql:postgresql to v42.7.12 [security] by @​renovate[bot] in #​5832
• chore(deps): update dependency org.postgresql:postgresql to v42.7.12 [security] by @​renovate[bot] in #​5833
• chore(deps): bump dompurify from 3.4.11 to 3.4.12 in /docs by @​dependabot[bot] in #​5830
• chore(deps): bump body-parser from 1.20.4 to 1.20.6 in /docs by @​dependabot[bot] in #​5829
• chore(deps): bump svgo from 3.3.3 to 3.3.4 in /docs by @​dependabot[bot] in #​5828
• chore(deps): bump fast-uri from 3.1.2 to 3.1.4 in /docs by @​dependabot[bot] in #​5827
• test: add unit tests for GoogleAiGeminiChatRequestParameters by @​gaoxiaolei-s59 in #​5715
• test: fix swapped read/write method references in Tablestore metadata type guard message by @​thswlsqls in #​5611
• fix: support 3D logit output in OnnxScoringBertCrossEncoder by @​CountClaw in #​5739
• chore(deps-dev): bump org.postgresql:postgresql from 42.7.11 to 42.7.12 in /experimental/langchain4j-experimental-hibernate by @​dependabot[bot] in #​5826
• docs(agentic): remove invalid executor() from async sequence example by @​arimu1 in #​5842
• fix: support equals on agentic proxies by @​thswlsqls in #​5847
• fix: return empty collection from parallel mapper agent on empty input by @​thswlsqls in #​5848
• fix: Complete A2A response future when the stream ends without a result by @​thswlsqls in #​5850
• fix(deps): update dependency io.netty:netty-codec-http2 to v4.1.136.final [security] by @​renovate[bot] in #​5831
• Introduce MistralAiChatRequestParameters for per-request overrides by @​subhashpolisetti in #​5852
• Updated opennlp-tools version to 2.5.11 by @​dliubarskyi in #​5857
• fix: make tool search matching locale-independent by @​thswlsqls in #​5861
• Avoid NullPointerException when an async agent returns null by @​subhashpolisetti in #​5864
• Allow json deserialization of the AgenticScope only for known and registered classes by @​mariofusco in #​5872
• Fixes Ickle injection issue by @​karesti in #​5856
• docs(cdi): add integration page for LangChain4j CDI framework by @​ehsavoie in #​5873
• fix(anthropic): apply cache_control to image and pdf content blocks by @​mrzgetbetter820 in #​5868
• Handle the three distinct endpoint host formats depending on location type by @​starksm64 in #​5869
• chore(deps): bump postcss from 8.5.8 to 8.5.23 in /docs by @​dependabot[bot] in #​5853
• chore(deps): bump shell-quote from 1.8.4 to 1.10.0 in /docs by @​dependabot[bot] in #​5836
• chore(deps): bump webpack-dev-server from 5.2.5 to 5.2.6 in /docs by @​dependabot[bot] in #​5834
• Update actions/checkout digest to 3d3c42e by @​renovate[bot] in #​5854
• fix(google-genai): preserve declared property order in schemas by @​subhashpolisetti in #​5839
• fix: parse "reasoning" as an alias for "reasoning_content" in OpenAI chat responses by @​brokenlander in #​5843
• Add Builder and configurable text extraction to DoclingDocumentParser by @​edeandrea in #​5818
• fix: make metadata key collisions and skipped documents visible during document loading by @​thswlsqls in #​5542
• Fix agent using a summarizedContext with scope-dependent @​ChatModelSupplier by @​mariofusco in #​5879
• chore(deps): update actions/setup-java digest to 03ad4de by @​renovate[bot] in #​5877
• fix(deps): update dependency com.google.errorprone:error_prone_annotations to v2.50.0 by @​renovate[bot] in #​5245
• fix(deps): update dependency com.microsoft.azure:msal4j to v1.25.1 by @​renovate[bot] in #​5246
• fix: add null/empty choices guard in AzureOpenAiChatModel by @​farzad-sedaghatbin in #​4815
• docs: fix Javadoc typo and test empty metadataCssSelectors match in HtmlToTextDocumentTransformer by @​thswlsqls in #​5452
• fix(mistralai): guard against empty/null choices in MistralAiChatModel.doChat by @​dong0713 in #​5821
• fix: Use configured similarity metric in CassandraEmbeddingStore search instead of hardcoded COSINE by @​thswlsqls in #​5507
• fix: Strip only a single leading space from SSE data field by @​thswlsqls in #​5532
• chore(deps): update dependency maven to v3.9.16 by @​renovate[bot] in #​5883
• chore(deps): update dependency com.ibm.db2:jcc to v12.1.5.0 by @​renovate[bot] in #​5882
• Fix parallel agent failures surfacing as RuntimeException instead of AgentInvocationException by @​gnsharans in #​5962
• Complete A2A response future exceptionally on interrupted task states by @​angus-guo in #​5924
• chore(deps-dev): bump org.jsoup:jsoup from 1.22.2 to 1.23.1 in /langchain4j-agentic-patterns by @​dependabot[bot] in #​6005
• fix(deps): update dependency org.jsoup:jsoup to v1.23.1 [security] by @​renovate[bot] in #​6004
• chore(deps): bump org.jsoup:jsoup from 1.18.3 to 1.23.1 in /langchain4j-oracle by @​dependabot[bot] in #​6002
• chore(deps): bump io.micrometer:micrometer-core from 1.16.5 to 1.16.6 in /langchain4j-micrometer-metrics by @​dependabot[bot] in #​5998
• chore(deps): bump js-yaml from 3.14.2 to 3.15.1 in /docs by @​dependabot[bot] in #​6011
• chore(deps): bump brace-expansion from 1.1.13 to 1.1.18 in /docs by @​dependabot[bot] in #​6010
• chore(deps): bump dompurify from 3.4.12 to 3.4.13 in /docs by @​dependabot[bot] in #​6009
• chore(deps): bump mermaid from 11.15.0 to 11.16.1 in /docs by @​dependabot[bot] in #​6000
• chore(deps): bump fast-uri from 3.1.4 to 3.1.5 in /docs by @​dependabot[bot] in #​5966
• fix: Include cache token fields in AnthropicTokenUsage equals and hashCode by @​thswlsqls in #​5893
• fix: Apply disableParallelToolUse when toolChoice is not set in Anthropic requests by @​thswlsqls in #​5892
• fix: parse a bare JSON array in collection output parsers by @​farzad-sedaghatbin in #​5905
• fix: use the exact metadata key in Coherence metadata filters by @​thswlsqls in #​5907
• fix: report Amazon Bedrock provider and model name from BedrockCohereEmbeddingModel by @​thswlsqls in #​5909
• fix: Handle nested Not in ChromaMetadataFilterMapper by @​thswlsqls in #​5912
• fix: Accept any memoryId type in CassandraChatMemoryStore by @​thswlsqls in #​5919
• fix: Validate ids/embeddings/textSegments size in ChromaEmbeddingStore.addAll by @​thswlsqls in #​5913
• fix: Stop double-normalizing relevance scores in CassandraEmbeddingStore by @​thswlsqls in #​5920
• Clean up AI Services doc formatting by @​Abdullah8006 in #​5940
• fix: Default ElasticsearchContentRetriever maxResults to 3 as documented by @​thswlsqls in #​5932
• fix: Render non-String metadata values in DefaultContentInjector by @​thswlsqls in #​5936
• fix: Repair toBuilder() copy constructors in observability events by @​thswlsqls in #​5937
• fix: Add missing Gemini finish reasons to prevent response deserialization failure by @​thswlsqls in #​5948
• fix: Report TOOL_EXECUTION finish reason for Google GenAI tool call responses by @​thswlsqls in #​5950
• fix: Correct mislabeled safeSearch field in WebSearchRequest toString by @​thswlsqls in #​5938
• fix: Check HTTP status in GeminiFiles.listFiles instead of returning an empty list by @​thswlsqls in #​5949
• fix: Map JsonAnyOfSchema to Google GenAI anyOf schema by @​thswlsqls in #​5951
• Handle non-complex metadata field when reading Azure AI Search results by @​subhashpolisetti in #​5862
• fix: Mask secret HTTP headers regardless of the JVM default locale by @​thswlsqls in #​5961
• fix: Restore serialization of Hugging Face request options by @​thswlsqls in #​5956
• fix: Return generated text when GPULlama3 generation stops at maxTokens by @​thswlsqls in #​5959
• Override equals, hashCode and toString in BedrockChatRequestParameters by @​subhashpolisetti in #​5969
• fix: return null instead of throwing NPE for URIs without a file name by @​Tundesjaiyesmi in #​5977
• Fix AgentInvocationException wrapping in the DeferredResponse timeout overload by @​subhashpolisetti in #​5986
• Keep generated images from every streamed chunk by @​subhashpolisetti in #​5972
• fix: make Elasticsearch full text and vector search return structurally identical TextSegments by @​zya1020 in #​5975
• Send tool parameters as JSON Schema when they have no typed form by @​monrax in #​6015
• Fix interface-level @SystemMessage being ignored in AI Services by @​subhashpolisetti in #​5991
• Support the Ollama truncate field so an over-long prompt can fail instead of being trimmed by @​monrax in #​6018
• fix: only serialize responseLogprobs and enableEnhancedCivicAnswers when explicitly set by @​Pahkho in #​6016
• fix: make Utils.copy return an actual copy instead of an unmodifiable view by @​Tundesjaiyesmi in #​6020
• fix: Use a new Jlama session id for each request by @​thswlsqls in #​6027
• Fix Bedrock default request parameters to preserve serviceTier and responseFormat by @​subhashpolisetti in #​6031
• Fix Bedrock guardrail assessment handling for ConverseTrace without a guardrail by @​subhashpolisetti in #​6029
• Fix Pinecone segment text being overwritten by reserved metadata key by @​subhashpolisetti in #​6033
• fix: honor lateChunking in Jina multimodal embedding requests by @​thswlsqls in #​6026
• Fix returnThinking being ignored by BedrockStreamingChatModel by @​subhashpolisetti in #​6035
• fix: keep the sign of negative numbers in SqlFilterParser IN lists by @​masiljangajji in #​6037
• fix: Reset entity-declared metadata attributes in HibernateEmbeddingStore.createEntities by @​thswlsqls in #​5958
• Add generateContentConfigCustomizer to GoogleGenAiBatchChatModel by @​angus-guo in #​5880
• Update dependency org.apache.httpcomponents.core5:httpcore5 to v5.4.3 [SECURITY] by @​renovate[bot] in #​6040
• Fix Pinecone reserved text key being returned in metadata by @​subhashpolisetti in #​6043
• fix: Read error response body as UTF-8 without reassembling line separators by @​angus-guo in #​6021
• Allow to provide an agent with an external memory ID supplier by @​mariofusco in #​5903
• chore(deps): bump org.apache.httpcomponents.client5:httpclient5 from 5.6.1 to 5.6.3 in /http-clients/langchain4j-http-client-apache by @​dependabot[bot] in #​6049
• Fix Validate maxSegmentsPerBatch in BedrockCohereEmbeddingModel by @​subhashpolisetti in #​6060
• Fix Convert a JSON null to a null Document instead of the string "null" by @​subhashpolisetti in #​6058
• Fix Bedrock stop-reason mapping for AWS-added stop reasons by @​subhashpolisetti in #​6056
• fix: honor the negation in SqlFilterParser NOT BETWEEN by @​masiljangajji in #​6063
• fix: apply retrieval constraints to Elasticsearch full text search by @​FyCode007 in #​6046

New Contributors

• @​OmkarKathile007 made their first contribution in #​5799
• @​TimurRakhmatullin86 made their first contribution in #​5801
• @​madolson made their first contribution in #​5768
• @​CountClaw made their first contribution in #​5739
• @​arimu1 made their first contribution in #​5842
• @​mrzgetbetter820 made their first contribution in #​5868
• @​starksm64 made their first contribution in #​5869
• @​brokenlander made their first contribution in #​5843
• @​dong0713 made their first contribution in #​5821
• @​gnsharans made their first contribution in #​5962
• @​Abdullah8006 made their first contribution in #​5940
• @​Tundesjaiyesmi made their first contribution in #​5977
• @​zya1020 made their first contribution in #​5975
• @​monrax made their first contribution in #​6015
• @​masiljangajji made their first contribution in #​6037
• @​FyCode007 made their first contribution in #​6046

Full Changelog: langchain4j/langchain4j@1.18.1...1.19.0

v1.18.1: and 1.18.1-beta28

Compare Source

Full Changelog: langchain4j/langchain4j@1.18.0...1.18.1

v1.18.0: and 1.18.0-beta28

Compare Source

Notable Changes

• Introduce Belief-Desire-Intention (BDI) agentic pattern by @​mariofusco in #​5730
• Add crash-resilient Human-in-the-Loop suspension and resume for agentic systems by @​mariofusco in #​5767
• Add OpenAI Text-to-Speech (TTS) support by @​anunnakian in #​4697
• Add MistralAiBatchChatModel for the Mistral Batch API by @​subhashpolisetti in #​5750
• EmbeddingModel: request/response API with per-call parameters, multimodal inputs, and observability by @​dliubarskyi in #​5735

Other Changes

• feat(anthropic): add midConversationSystemMessages option for mid-conversation system messages by @​nickmaddren in #​5604
• fix: Throw typed exception for null-valued required skill tool argument by @​thswlsqls in #​5612
• fix: mask apiKey in OvhAiEmbeddingModel builder toString by @​thswlsqls in #​5608
• fix: Include $defs in Vertex AI Anthropic tool input schema for tools using schema references by @​thswlsqls in #​5615
• fix: Map Vertex AI Gemini content-policy finish reasons to CONTENT_FILTER by @​thswlsqls in #​5616
• feat(anthropic): typed Skills support for document generation (#​5530 Phase 1) by @​PSchmitz-Valckenberg in #​5605
• fix: Guard empty input and validate id/embedding sizes in VespaEmbeddingStore.addAll by @​thswlsqls in #​5632
• fix: Skip search results with unresolvable URIs in GoogleCustomWebSearchEngine by @​thswlsqls in #​5628
• fix: Remove leading space from DEEPSEEK_CODER_MATH_7B_AWQ model id by @​thswlsqls in #​5637
• fix: Override equals, hashCode and toString in WatsonxChatRequestParameters by @​thswlsqls in #​5636
• fix: Decode Voyage AI base64 embeddings as little-endian by @​thswlsqls in #​5638
• fix: honor root metadata mode in Weaviate removeAll(Filter) by @​thswlsqls in #​5631
• feat(gemini): support per-request imageConfig override in GoogleAiGeminiChatModel by @​ZhangDT-sky in #​4913
• fix: Wrap the full last expression when fixing single-line JavaScript in Judge0 by @​thswlsqls in #​5650
• fix: Preserve binary bytes in Azure dynamic sessions file download by @​thswlsqls in #​5652
• Workaround HHH-20500 for runtimes that haven't updated to the latest Hibernate ORM bug fixes yet by @​beikov in #​5655
• fix: Paginate ListObjectsV2 in AmazonS3DocumentLoader to load all objects by @​thswlsqls in #​5662
• feat: Add prefix overload to AzureBlobStorageDocumentLoader.loadDocuments by @​thswlsqls in #​5669
• Anthropic: add cache diagnostics (beta) support by @​joshiste in #​5659
• fix: Encode page content as UTF-8 in SeleniumDocumentLoader by @​thswlsqls in #​5671
• fix: Guard against null content type in GcsSource metadata by @​thswlsqls in #​5673
• feat(gemini): support per-request cachedContentName override by @​PSchmitz-Valckenberg in #​5645
• Propagate image detail level in OpenAI official chat completions by @​smf-h in #​5617
• docs: use clearly fictional example data in structured-outputs tutorial by @​jialiuyang in #​5620
• fix: advance the planner when an agent error handler returns a result by @​subhashpolisetti in #​5682
• feat(google-genai): support context cache creation and management by @​subhashpolisetti in #​5694
• fix: Include failing file URL in GitHubDocumentLoader load-failure exception message by @​thswlsqls in #​5684
• feat(google-genai): support per-request cachedContent override by @​glaforge in #​5676
• fix: Use UTF-8 when encoding Playwright page content for the document parser by @​thswlsqls in #​5686
• fix: Support all date functions when extracting metadata key in SqlFilterParser by @​thswlsqls in #​5699
• fix: mask apiKey in Cohere builder toString by @​lixuanqun in #​5691
• fix: guard against null function in streamed OpenAI tool-call deltas by @​farzad-sedaghatbin in #​5712
• fix: defensively copy input list in ChatMemory.set(...) before eviction by @​farzad-sedaghatbin in #​5714
• fix: align IsIn/IsNotIn numeric comparison with IsEqualTo/IsNotEqualTo by @​farzad-sedaghatbin in #​5717
• Improve visualization of execution history in agentic html report by @​mariofusco in #​5606
• Allow to use non-public and inherited methods as agentic methods by @​mariofusco in #​5704
• Allow to configure A2A transport by @​mariofusco in #​5678
• fix: ClassCastException when an MCP tool inputSchema contains anyOf alongside type "object" by @​subhashpolisetti in #​5726
• fix: avoid IllegalArgumentException in RetryPolicy jitter when bound is 0 by @​Ayomipo18 in #​5722
• fix: Anthropic honors cache_control on AiMessage and ToolExecutionResultMessage by @​joshiste in #​5729
• fix: Avoid StringIndexOutOfBoundsException when cleaning unclosed code fence in HibernateContentRetriever by @​thswlsqls in #​5732
• fix: Avoid StringIndexOutOfBoundsException when cleaning unclosed code fence in SqlDatabaseContentRetriever by @​PSchmitz-Valckenberg in #​5737
• Follow up on AgentsRegistry implementation by @​mariofusco in #​5719
• Allow a zero-args non-AI agent to also produce an output by @​mariofusco in #​5734
• fix: Paginate ListObjects in TencentCosDocumentLoader to load all obj… by @​chensishang in #​5709
• Surface async agent failures as AgentInvocationException by @​subhashpolisetti in #​5746
• feat(guardrails): add PromptInjectionGuardrail by @​ArvindAkula in #​5619
• fix: Skills: Declare shell tool timeout_seconds as integer and route bad values through typed exception by @​thswlsqls in #​5752
• fix: preserve precision of long/BigInteger/BigDecimal tool arguments by @​farzad-sedaghatbin in #​5755
• Fix race condition in AgentMonitor.onAgentInvocationError with parallel sub-agents by @​mariofusco in #​5759
• Allow to declaratively define beforeCall method on agentic patterns by @​mariofusco in #​5741
• Add jsonSchema() to Byte/Short/BigInteger/BigDecimal output parsers by @​angus-guo in #​5690
• Migrate Tavily and SearchApi web search engines from Retrofit/OkHttp to the HttpClient abstraction by @​dliubarskyi in #​5772
• Migrate Nomic, Jina, OVH AI, and Judge0 from Retrofit/OkHttp to the HttpClient abstraction by @​dliubarskyi in #​5773
• fix: preserve Ollama-specific parameters set via defaultRequestParameters by @​wushiyuanmaimob in #​5776
• Migrate Cohere, HuggingFace, and Workers AI from Retrofit/OkHttp to the HttpClient abstraction by @​dliubarskyi in #​5780
• fix: make enum tool-argument coercion locale-independent by @​wushiyuanmaimob in #​5778
• Allow to dinamically configure the A2A server URL by @​mariofusco in #​5766
• Fix error propagation and tracing in MonitoredExecution by @​mariofusco in #​5782
• Map provider errors to LangChain4j exceptions in Google GenAI, Vertex AI Gemini, Vertex AI Anthropic, Workers AI and Cohere by @​dliubarskyi in #​5785
• chore: upgrade google-genai dependency to 1.62.0 by @​glaforge in #​5748
• fix: pass builder skipCreateVectorExtension to PgVectorEmbeddingStore by @​subhashpolisetti in #​5788
• feat(google-genai): add generateContentConfigCustomizer to the chat models by @​subhashpolisetti in #​5646
• Updated Jackson to 2.22.1 by @​dliubarskyi in #​5793
• Apply output function also to supervisor result by @​mariofusco in #​5786

New Contributors

• @​nickmaddren made their first contribution in #​5604
• @​jialiuyang made their first contribution in #​5620
• @​lixuanqun made their first contribution in #​5691
• @​Ayomipo18 made their first contribution in #​5722
• @​chensishang made their first contribution in #​5709
• @​wushiyuanmaimob made their first contribution in #​5776

Full Changelog: langchain4j/langchain4j@1.17.2...1.18.0

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