New Integrations

• Integration with Jlama by @tjake in https://github.com/langchain4j/langchain4j/pull/1379
• Integration with Workers AI (Cloudflare) by @clun in https://github.com/langchain4j/langchain4j/pull/1262
• Selenium document loader by @Wadimz in https://github.com/langchain4j/langchain4j/pull/1166

New Core Features

• Support custom POJOs as @Tool method parameters by @gs-snagaraj in https://github.com/langchain4j/langchain4j/pull/708
• Support optional @Tool method parameters by @Kugaaa in https://github.com/langchain4j/langchain4j/pull/1370
• Support configuring tools programmatically by @langchain4j in https://github.com/langchain4j/langchain4j/pull/1364
• Implement EmbeddingModel.dimension() by @Martin7-1 in https://github.com/langchain4j/langchain4j/pull/1250

Notable Changes

• Gemini updates by @glaforge in https://github.com/langchain4j/langchain4j/pull/1278
• Implement embedding removal methods for Milvus by @1402564807 in https://github.com/langchain4j/langchain4j/pull/1172
• Implement embedding removal methods for Elasticsearch by @zambrinf in https://github.com/langchain4j/langchain4j/pull/1198
• Implement embedding removal methods for InMemoryEmbeddingStore by @InAnYan in https://github.com/langchain4j/langchain4j/pull/1220
• Implement embedding removal methods for Weaviate by @kiratkumar47 in https://github.com/langchain4j/langchain4j/pull/1196
• Add ChatModelListener support for Azure OpenAI by @qiaoleiatms in https://github.com/langchain4j/langchain4j/pull/1305
• Add ChatModelListener support for ZhipuAI by @1402564807 in https://github.com/langchain4j/langchain4j/pull/1378
• Support metadata filtering for Azure AI Search by @fb33 in https://github.com/langchain4j/langchain4j/pull/1291

Notable Changes in langchain4j-embeddings

• Parallelize the embedding process by @langchain4j in https://github.com/langchain4j/langchain4j-embeddings/pull/31

Notable Changes in langchain4j-spring

• New Baseline: Spring Boot 3 and Java 17 by @ThomasVitale in https://github.com/langchain4j/langchain4j-spring/pull/24
• Spring Boot starter for Google Vertex AI Gemini by @zambrinf in https://github.com/langchain4j/langchain4j-spring/pull/26
• Spring Boot starter for Elasticsearch by @Martin7-1 in https://github.com/langchain4j/langchain4j-spring/pull/27
• Spring Boot starter for QianFan by @fanjia1024 in https://github.com/langchain4j/langchain4j-spring/pull/19
• Spring Boot starter for Redis by @Martin7-1 in https://github.com/langchain4j/langchain4j-spring/pull/2
• Spring Boot starter for Milvus by @Martin7-1 in https://github.com/langchain4j/langchain4j-spring/pull/28

Breaking Changes

• Observability: Updated model listener API to be more integration friendly by @langchain4j in https://github.com/langchain4j/langchain4j/pull/1229
• Migrate Mistral AI from Gson to Jackson by @czelabueno in https://github.com/langchain4j/langchain4j/pull/1226

Other Changes

• fixes #827 by @glaforge in https://github.com/langchain4j/langchain4j/pull/1158
• Add image model by @1402564807 in https://github.com/langchain4j/langchain4j/pull/1152
• Add langchain4j-embeddings-bge-small-zh-v15 into bom by @jiangsier-xyz in https://github.com/langchain4j/langchain4j/pull/1154
• Qianfan Models support http proxy setting(#951) by @Yellow-- in https://github.com/langchain4j/langchain4j/pull/1159
• Update qianfan.md by @xiaoyu171222853 in https://github.com/langchain4j/langchain4j/pull/1149
• Support Blank Strings Tokenization by @jiangsier-xyz in https://github.com/langchain4j/langchain4j/pull/1150
• Support Embedding for Large Amounts of Texts by @jiangsier-xyz in https://github.com/langchain4j/langchain4j/pull/1142
• update qianfan.md by @xiaoyu171222853 in https://github.com/langchain4j/langchain4j/pull/1177
• Fix null pointer issue in SqlDatabaseContentRetriever when column value is null by @hongliangzhang07 in https://github.com/langchain4j/langchain4j/pull/1161
• Bump dashscope-sdk-java from 2.13.0 to 2.14.4 by @jiangsier-xyz in https://github.com/langchain4j/langchain4j/pull/1189
• Bump com.azure:azure-search-documents from 11.6.4 to 11.6.5 by @jdubois in https://github.com/langchain4j/langchain4j/pull/1195
• Update to the latest Azure OpenAI models by @agoncal in https://github.com/langchain4j/langchain4j/pull/1200
• Refactor Azure OpenAI models into enums by @agoncal in https://github.com/langchain4j/langchain4j/pull/1205
• Nightly build by @langchain4j in https://github.com/langchain4j/langchain4j/pull/1162
• Update SegmentBuilder.java by @yangyu6 in https://github.com/langchain4j/langchain4j/pull/1121
• baidu qianfan model support stop、system、maxOutputTokens params by @jacksonhu in https://github.com/langchain4j/langchain4j/pull/1233
• Fix @UserMessage does not work by @Wadimz in https://github.com/langchain4j/langchain4j/pull/740
• Allow HtmlTextExtractor to extract relative links from document by @Wadimz in https://github.com/langchain4j/langchain4j/pull/726
• Implementation of a lambda based streaming response handler by @glaforge in https://github.com/langchain4j/langchain4j/pull/1148
• Add a Tokenizer to Azure OpenAI by @agoncal in https://github.com/langchain4j/langchain4j/pull/1222
• 增加智谱model类型 by @bitloveCN in https://github.com/langchain4j/langchain4j/pull/1239
• Bugfix 1218 - MistralAi streaming blank by @czelabueno in https://github.com/langchain4j/langchain4j/pull/1243
• Add qianfan free model "ERNIE-Speed-128K" by @song27149 in https://github.com/langchain4j/langchain4j/pull/1253
• Feature #1210 Support Tongyi Qianwen(QwenChatModel) function call by @Kugaaa in https://github.com/langchain4j/langchain4j/pull/1254
• Bump com.azure:azure-storage-common from 12.25.0 to 12.25.1 by @jdubois in https://github.com/langchain4j/langchain4j/pull/1256
• Bump com.azure:azure-storage-blob from 12.26.0 to 12.26.1 by @jdubois in https://github.com/langchain4j/langchain4j/pull/1257
• Add Spring Boot artifacts to BOM by @agoncal in https://github.com/langchain4j/langchain4j/pull/1240
• Support ToolExecutionResultMessage on Qwen Models by @jiangsier-xyz in https://github.com/langchain4j/langchain4j/pull/1260
• Bump latest version of Docusaurus by @agoncal in https://github.com/langchain4j/langchain4j/pull/1241
• Bump braces from 3.0.2 to 3.0.3 in /docs by @dependabot in https://github.com/langchain4j/langchain4j/pull/1264
• Apply minor polish to intro.md by @geoand in https://github.com/langchain4j/langchain4j/pull/1268
• Add Qwen2 Models by @jiangsier-xyz in https://github.com/langchain4j/langchain4j/pull/1265
• AzureAiSearchEmbeddingStore with index creation by @jdubois in https://github.com/langchain4j/langchain4j/pull/1259
• Bump com.azure:azure-identity from 1.12.1 to 1.12.2 by @jdubois in https://github.com/langchain4j/langchain4j/pull/1273
• fix issue 940 - Anthropic API requires 1st message to be a UserMessage by @johnsosoka in https://github.com/langchain4j/langchain4j/pull/1197
• Fix deprecated methods by @alxkm in https://github.com/langchain4j/langchain4j/pull/1213
• Fix 1079 by @1402564807 in https://github.com/langchain4j/langchain4j/pull/1095
• Open up access to ServiceOutputParser#jsonStructure by @geoand in https://github.com/langchain4j/langchain4j/pull/1279
• [BUG] Nightly and release jobs should not be run on fork repositories #1302 by @Wadimz in https://github.com/langchain4j/langchain4j/pull/1303
• Issue 972: [FEATURE] Add name to dev.langchain4j.rag.content.retriever.EmbeddingStoreContentRetriever to improve logs by @alwa in https://github.com/langchain4j/langchain4j/pull/1007
• Fix issue 1281 WeaviateEmbeddingStore does not work if .metadataKeys(singletonList("id")) is not set. by @ehsavoie in https://github.com/langchain4j/langchain4j/pull/1309
• Qianfan: clear throw exception when call qianfan api has error code （… by @yao-wenbin in https://github.com/langchain4j/langchain4j/pull/1186
• [FEATURE] Metadata UUID Support by @humcqc in https://github.com/langchain4j/langchain4j/pull/1211
• Polish OpenSearch and Vearch IT by @eddumelendez in https://github.com/langchain4j/langchain4j/pull/1325
• Initialize the LangChain4j GitHub Bot config files by @gsmet in https://github.com/langchain4j/langchain4j/pull/1329
• Add github bot rule for Gemini by @langchain4j in https://github.com/langchain4j/langchain4j/pull/1334
• [Fix] fix VearchEmbeddingStoreIT by @Martin7-1 in https://github.com/langchain4j/langchain4j/pull/1336
• Do not run CI for files not impacting CI by @gsmet in https://github.com/langchain4j/langchain4j/pull/1338
• enable userAgentSuffix in azure open ai by @KaiqianYang in https://github.com/langchain4j/langchain4j/pull/1315
• feat(finishReason): add finishReason in Result by @fb33 in https://github.com/langchain4j/langchain4j/pull/1342
• [minor fix] optimize badges by @vesense in https://github.com/langchain4j/langchain4j/pull/1328
• Remove synchronized to avoid VT pinned threads in JDK 21 by @jbescos in https://github.com/langchain4j/langchain4j/pull/1343
• Fix 1266 Allow using streaming AI Service with tools without memory by @Kugaaa in https://github.com/langchain4j/langchain4j/pull/1280
• Bump com.azure:azure-identity from 1.12.2 to 1.13.0 by @jdubois in https://github.com/langchain4j/langchain4j/pull/1345
• fix(TokenUsage): Token can't be null in AI Response by @fb33 in https://github.com/langchain4j/langchain4j/pull/1295
• Typo by @agoncal in https://github.com/langchain4j/langchain4j/pull/1365
• Azure OpenAI: AzureOpenAiStreamingChatModel should work without Tokenizer (when using tools) by @langchain4j in https://github.com/langchain4j/langchain4j/pull/1354
• Fix AzureOpenAiStreamingChatModel constructor get or default new Tokenizer by @Kugaaa in https://github.com/langchain4j/langchain4j/pull/1282
• [BUG-1339] - removed trailing commas from tool execution request argu… by @cvalorereply in https://github.com/langchain4j/langchain4j/pull/1352
• Check for duplicate method names in a list of tool specifications by @agoncal in https://github.com/langchain4j/langchain4j/pull/1375
• Allows constructing a DefaultToolExecutor with a ToolRequest by @agoncal in https://github.com/langchain4j/langchain4j/pull/1381
• a way to merge multiple in-memory embedding stores by @langchain4j in https://github.com/langchain4j/langchain4j/pull/723
• Bump com.azure:azure-search-documents from 11.6.5 to 11.6.6 by @jdubois in https://github.com/langchain4j/langchain4j/pull/1387
• #527: automatically prepend "/" to resource name if it was not found, but it is in resources root by @langchain4j in https://github.com/langchain4j/langchain4j/pull/781
• Add docusaurus-lunr-search plugin by @InAnYan in https://github.com/langchain4j/langchain4j/pull/1221
• Adding Azure CLI script to deploy the Azure AI Search resources by @agoncal in https://github.com/langchain4j/langchain4j/pull/1396
• Add comments about Azure CLI usage by @agoncal in https://github.com/langchain4j/langchain4j/pull/1403
• Bump com.azure:azure-ai-openai from 1.0.0-beta.8 to 1.0.0-beta.10 by @jdubois in https://github.com/langchain4j/langchain4j/pull/1401
• Release 0.32.0 by @langchain4j in https://github.com/langchain4j/langchain4j/pull/1409

New Contributors

• @Yellow-- made their first contribution in https://github.com/langchain4j/langchain4j/pull/1159
• @xiaoyu171222853 made their first contribution in https://github.com/langchain4j/langchain4j/pull/1149
• @hongliangzhang07 made their first contribution in https://github.com/langchain4j/langchain4j/pull/1161
• @yangyu6 made their first contribution in https://github.com/langchain4j/langchain4j/pull/1121
• @jacksonhu made their first contribution in https://github.com/langchain4j/langchain4j/pull/1233
• @bitloveCN made their first contribution in https://github.com/langchain4j/langchain4j/pull/1239
• @song27149 made their first contribution in https://github.com/langchain4j/langchain4j/pull/1253
• @johnsosoka made their first contribution in https://github.com/langchain4j/langchain4j/pull/1197
• @zambrinf made their first contribution in https://github.com/langchain4j/langchain4j/pull/1198
• @alxkm made their first contribution in https://github.com/langchain4j/langchain4j/pull/1213
• @kiratkumar47 made their first contribution in https://github.com/langchain4j/langchain4j/pull/1196
• @alwa made their first contribution in https://github.com/langchain4j/langchain4j/pull/1007
• @yao-wenbin made their first contribution in https://github.com/langchain4j/langchain4j/pull/1186
• @gsmet made their first contribution in https://github.com/langchain4j/langchain4j/pull/1329
• @qiaoleiatms made their first contribution in https://github.com/langchain4j/langchain4j/pull/1305
• @gs-snagaraj made their first contribution in https://github.com/langchain4j/langchain4j/pull/708
• @KaiqianYang made their first contribution in https://github.com/langchain4j/langchain4j/pull/1315
• @fb33 made their first contribution in https://github.com/langchain4j/langchain4j/pull/1342
• @vesense made their first contribution in https://github.com/langchain4j/langchain4j/pull/1328
• @jbescos made their first contribution in https://github.com/langchain4j/langchain4j/pull/1343
• @cvalorereply made their first contribution in https://github.com/langchain4j/langchain4j/pull/1352
• @tjake made their first contribution in https://github.com/langchain4j/langchain4j/pull/1379

Full Changelog: https://github.com/langchain4j/langchain4j/compare/0.31.0...0.32.0