spring-projects/spring-ai v2.0.0-RC1

Spring AI 2.0.0-RC1

on GitHub

⭐ New Features

• Add turn-boundary snapping to MessageWindowChatMemory eviction #6312
• Finish to remove default values from models #6311
• Move advisors to their proper modules #6309
• Remove SpringBeanToolCallbackResolver and toolNames() API #6301
• Streamline OpenAiChatModel implementations #6295
• Remove ToolSpec consumer API from ChatClient #6292
• Remove Minimax dedicated support in favor of Anthropic one #6290
• Remove internalToolExecutionEnabled #6289
• Rename N() to n() in options builders #6285
• Refine JdbcChatMemoryRepositoryDialect to use default method #6283
• Replace SLF4J by org.apache.commons.logging.LogFactory #6280
• Remove internal tool execution from MiniMaxChatModel #6279
• Remove internal tool execution from BedrockProxyChatModel #6272
• fix(core): allow tool callbacks and providers directly in ChatClient tools() #6263
• Remove internal tool execution from MistralAiChatModel #6260
• Remove internal tool execution from DeepSeekChatModel #6258
• Remove internal tool execution from OpenAiChatModel #6257
• Remove internal tool execution from OllamaChatModel #6256
• Remove duplicate builder overrides in OpenAiChatOptions #6255
• Refactor tool search by consolidating into a single module #6254
• Remove internal tool execution from AnthropicChatModel #6252
• Refactor toOptions method for vendor-specific autoconfiguration properties #6248
• Make equals parameter nullable #6239
• Remove unused GoogleGenAiChatOptions.TransportType #6238
• GH-6211: Avoid duplicate chat memory in tool prompts #6228
• GH-6206: Update tool callback guidance #6214
• Update Mistral AI chat models #6210
• Deprecate and rename ChatClient customizer #6204
• Refine Spring Boot dependencies #6200
• Simplify ToolCallAdvisor stream aggregation by removing publish() multicast #6195
• Add DeepSeek V4 chat model constants #6194
• Add EntityParamSpec to ChatClient entity() methods for per-call structured output configuration #6165
• Remove toolNames() API and SpringBeanToolCallbackResolver — use explicit ToolCallback beans instead #6154
• Retire Pixtral Large model #6149
• Refactor JSON utilities #6135
• Use .class reference for autoconf ordering #6119
• Add Tool Search Tool advisor for on-demand tool discovery #5909
• Allow accessing "timestamp" field from spring_ai_chat_memory table programatically when using JdbcChatMemoryRepository #5168

🐞 Bug Fixes

• fix: place memory advisors outside ToolCallingAdvisor by default #6314
• Rename ToolCallAdvisor to ToolCallingAdvisor with backward-compat shims and bug fixes #6303
• Fix OpenAiChatModel.stream() to only buffer tool calls. #6288
• refactor(chat-client): enforce non-null ToolCallAdvisor.Builder and fix advisor chain mutation #6282
• fix: fix span hierarchy in streaming paths for all remaining chat models #6276
• fix: bring parent span into ThreadLocals to maintain Observation and span hierarchy parity #6249
• Guard JSON schema generation #6217
• Fix merge in openai options #6215
• deepseek V4 Function calling 400 Bad Request from POST #5963

📔 Documentation

• Fix "vector strore" typo in RAG diagram #6300
• Polish reference documentation #6234
• Improve Mistral AI Chat documentation for reasoning models and ReasoningEffort Javadoc #6191
• Reintroduce community support documentation for OCI and Azure CosmosDB #6125

🔨 Dependency Upgrades

• Upgrade to MCP SDK 2.0.0-RC1 #6287

❤️ Contributors

Thank you to all the contributors who worked on this release:

@Baqirrizvidev, @Dream95, @EvanYao826, @ThomasVitale, @YunKuiLu, @chemicL, @dafriz, @ericbottard, @galenzo17, @goutamadwant, @guanxuc, @ilayaperumalg, @juanjuandog, @nicolaskrier, @quaff, @rajadilipkolli, @sdeleuze, @sobychacko, @stohirov, @symphony-enrico, @tzolov, and @wolf8334