Notable Changes

• Model Catalog support for Anthropic, Gemini, OpenAI and Mistral by @haumacher in https://github.com/langchain4j/langchain4j/pull/4240
• Agentic: Add observability and monitoring by @mariofusco in https://github.com/langchain4j/langchain4j/pull/4181
• Anthropic: support latest tool features by @dliubarskyi in https://github.com/langchain4j/langchain4j/pull/4211
• Anthropic: support structured outputs by @diegoberriosr in https://github.com/langchain4j/langchain4j/pull/4220
• Anthropic: return raw HTTP response and SSE events by @dliubarskyi in https://github.com/langchain4j/langchain4j/pull/4225
• OpenAI: add transcription support by @anunnakian in https://github.com/langchain4j/langchain4j/pull/4101
• AI Services: allow to pass ChatRequestParameters as method argument by @mariofusco in https://github.com/langchain4j/langchain4j/pull/4226

Other Changes

• docu: update versions to 1.9.1 and 1.9.1-beta17 by @dliubarskyi in https://github.com/langchain4j/langchain4j/pull/4151
• Update versions to 1.10.0-SNAPSHOT and 1.10.0-beta18-SNAPSHOT by @dliubarskyi in https://github.com/langchain4j/langchain4j/pull/4152
• Always make sure query transformer has access to system message in memory by @YSZhuoyang in https://github.com/langchain4j/langchain4j/pull/4126
• Allow to configure a default value for a key in the agentic scope by @mariofusco in https://github.com/langchain4j/langchain4j/pull/4153
• Fix supervisor usage as subagent by @mariofusco in https://github.com/langchain4j/langchain4j/pull/4161
• Jvector docs by @odysseaspenta in https://github.com/langchain4j/langchain4j/pull/4163
• Bump mdast-util-to-hast from 13.2.0 to 13.2.1 in /docs by @dependabot[bot] in https://github.com/langchain4j/langchain4j/pull/4164
• Bump express from 4.21.2 to 4.22.1 in /docs by @dependabot[bot] in https://github.com/langchain4j/langchain4j/pull/4168
• docs: add jlama vm options by @vesense in https://github.com/langchain4j/langchain4j/pull/4155
• Bump node-forge from 1.3.1 to 1.3.2 in /docs by @dependabot[bot] in https://github.com/langchain4j/langchain4j/pull/4141
• Update chat message types count in documentation by @ratomidev in https://github.com/langchain4j/langchain4j/pull/4138
• Add documentation for Local code execution engine by @vesense in https://github.com/langchain4j/langchain4j/pull/4159
• Test for MCP registry server parsing by @jmartisk in https://github.com/langchain4j/langchain4j/pull/4149
• Support tools definition via Map in agents by @mariofusco in https://github.com/langchain4j/langchain4j/pull/4169
• Whoops; Make GoogleAiGeminiBatchChatModel.builder() public. by @Bram-- in https://github.com/langchain4j/langchain4j/pull/4156
• Adding a new MessageModeratorInputGuardrail by @agoncal in https://github.com/langchain4j/langchain4j/pull/4160
• Updates to Infinispan 16.0.3 by @karesti in https://github.com/langchain4j/langchain4j/pull/4171
• fix(sql-filter-parser): handle Function expressions in WHERE clause [#3667] by @Wanyi9988 in https://github.com/langchain4j/langchain4j/pull/4170
• Migrate in-process embedding modules into main repo by @dliubarskyi in https://github.com/langchain4j/langchain4j/pull/4179
• Fill name support in PromptTemplate by @angelozerr in https://github.com/langchain4j/langchain4j/pull/4180
• Fix anthropic token count estimator empty messages by @HamzaElzarw-2022 in https://github.com/langchain4j/langchain4j/pull/3952
• fix(ai-service): append output format instructions to last TextContent [#3581] by @Wanyi9988 in https://github.com/langchain4j/langchain4j/pull/4184
• fix:NPE in SupervisorPlanner#result() when 'response' is missing(#4196) by @wangxuanni in https://github.com/langchain4j/langchain4j/pull/4199
• fix: [#3091] change single parameter detection logic and add tests by @raphidlee in https://github.com/langchain4j/langchain4j/pull/4186
• Fix agentic conditional planner when no condition is matched by @mariofusco in https://github.com/langchain4j/langchain4j/pull/4202
• Update the Azure and OpenAI dependencies by @jdubois in https://github.com/langchain4j/langchain4j/pull/4203
• Issue [#4190] : [BUG] AwsDocumentConverter adds all parameters as required instead of using "required" list by @ncilib-ssc in https://github.com/langchain4j/langchain4j/pull/4214
• feat: add HttpClient customization hooks to MCP HTTP & WebSocket transports by @LucasGois1 in https://github.com/langchain4j/langchain4j/pull/4189
• Fix BatchSuccess mapping for Gemini BatchResponse by @Bram-- in https://github.com/langchain4j/langchain4j/pull/4175
• feat: Support PDF input via URL for Anthropic Claude API by @adrianolaselva in https://github.com/langchain4j/langchain4j/pull/4216
• feat: add Anthropic strictTools for tool definitions by @wangxuanni in https://github.com/langchain4j/langchain4j/pull/4223
• Fix supervisor test after agentIDs refactor by @mariofusco in https://github.com/langchain4j/langchain4j/pull/4231
• Add support for return behavior.immediate with dynamically tools by @sabob in https://github.com/langchain4j/langchain4j/pull/4224
• Fix use of default chat memory with agents by @mariofusco in https://github.com/langchain4j/langchain4j/pull/4234
• fix: NPE with explicit response formats in Ollama by @dskarzh in https://github.com/langchain4j/langchain4j/pull/4238
• refactor(ToolService, AiServiceStreamingResponseHandler): Add maxSequentialToolsInvocations handling by @Ivan97 in https://github.com/langchain4j/langchain4j/pull/4204
• Deprecate the langchain4j-github-models module by @jdubois in https://github.com/langchain4j/langchain4j/pull/4243
• fix: enhance PartsMapper to handle various tool result formats by @karsta26 in https://github.com/langchain4j/langchain4j/pull/4244
• Fix MCP client permanent disconnection after temporary network failure by @dongfeng3692 in https://github.com/langchain4j/langchain4j/pull/4249
• Anthropic server tool result returned to attributes by @ejstuart in https://github.com/langchain4j/langchain4j/pull/4245
• docs(ehancement): Add spacing to the feature lists by @HamDean in https://github.com/langchain4j/langchain4j/pull/4254
• Update watsonx-ai dependency to 0.16.0 by @andreadimaio in https://github.com/langchain4j/langchain4j/pull/4251
• Feature/hybrid retrieval by @Ivan97 in https://github.com/langchain4j/langchain4j/pull/4124
• AiServiceResponseReceivedEvent containing ChatRequest by @stanlayze in https://github.com/langchain4j/langchain4j/pull/4215
• Revisit AiServices.tools() validation by @oscerd in https://github.com/langchain4j/langchain4j/pull/4208
• Updates to Infinispan 16.0.5 by @karesti in https://github.com/langchain4j/langchain4j/pull/4259
• Allow to pass ChatRequestParameters to streaming AIServices by @mariofusco in https://github.com/langchain4j/langchain4j/pull/4264
• Bump org.apache.logging.log4j:log4j-core from 2.22.0 to 2.25.3 in /document-loaders/langchain4j-document-loader-github by @dependabot[bot] in https://github.com/langchain4j/langchain4j/pull/4260
• Todo task/added additional date functions in sql filter parser class by @sumanth-reddy13 in https://github.com/langchain4j/langchain4j/pull/4269
• Increasing system prompt size to be above 1K to get reliable results. by @jonathannaguin in https://github.com/langchain4j/langchain4j/pull/4270
• docs: springboot-integration add automatic Component ToolProvider by @zzx1314 in https://github.com/langchain4j/langchain4j/pull/3075
• Adds support of JsonRawSchema for Gemini API by @ichristod in https://github.com/langchain4j/langchain4j/pull/4150
• feat: including reasoning content by @commandf1 in https://github.com/langchain4j/langchain4j/pull/4200
• feat:Adjust chat memory storage for augmented user messages by @YongGoose in https://github.com/langchain4j/langchain4j/pull/4272
• Fix [#4278] by @dliubarskyi in https://github.com/langchain4j/langchain4j/pull/4281
• Fix 4282: Do not fail deserialization when new fields are added to the MCP responses by @dliubarskyi in https://github.com/langchain4j/langchain4j/pull/4283

New Contributors

• @ratomidev made their first contribution in https://github.com/langchain4j/langchain4j/pull/4138
• @Wanyi9988 made their first contribution in https://github.com/langchain4j/langchain4j/pull/4170
• @angelozerr made their first contribution in https://github.com/langchain4j/langchain4j/pull/4180
• @wangxuanni made their first contribution in https://github.com/langchain4j/langchain4j/pull/4199
• @ncilib-ssc made their first contribution in https://github.com/langchain4j/langchain4j/pull/4214
• @LucasGois1 made their first contribution in https://github.com/langchain4j/langchain4j/pull/4189
• @adrianolaselva made their first contribution in https://github.com/langchain4j/langchain4j/pull/4216
• @sabob made their first contribution in https://github.com/langchain4j/langchain4j/pull/4224
• @dskarzh made their first contribution in https://github.com/langchain4j/langchain4j/pull/4238
• @Ivan97 made their first contribution in https://github.com/langchain4j/langchain4j/pull/4204
• @diegoberriosr made their first contribution in https://github.com/langchain4j/langchain4j/pull/4220
• @karsta26 made their first contribution in https://github.com/langchain4j/langchain4j/pull/4244
• @dongfeng3692 made their first contribution in https://github.com/langchain4j/langchain4j/pull/4249
• @ejstuart made their first contribution in https://github.com/langchain4j/langchain4j/pull/4245
• @HamDean made their first contribution in https://github.com/langchain4j/langchain4j/pull/4254
• @stanlayze made their first contribution in https://github.com/langchain4j/langchain4j/pull/4215
• @oscerd made their first contribution in https://github.com/langchain4j/langchain4j/pull/4208
• @sumanth-reddy13 made their first contribution in https://github.com/langchain4j/langchain4j/pull/4269
• @zzx1314 made their first contribution in https://github.com/langchain4j/langchain4j/pull/3075
• @ichristod made their first contribution in https://github.com/langchain4j/langchain4j/pull/4150
• @commandf1 made their first contribution in https://github.com/langchain4j/langchain4j/pull/4200
• @YongGoose made their first contribution in https://github.com/langchain4j/langchain4j/pull/4272
• @haumacher made their first contribution in https://github.com/langchain4j/langchain4j/pull/4240

Full Changelog: https://github.com/langchain4j/langchain4j/compare/1.9.1...1.10.0