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Consider getting rid of Capability/supportedCapabilities()

enhancementNew feature or requestNew feature or request

Status: Open.

#6541 In langchain4j/langchain4j;

· dliubarskyi opened on Sep 29, 2026

·  

2.0.0

[BUG] Metadata's supported-types set contains unreachable primitive classes, which leak into the user-facing validation error

Status: Open.

#6537 In langchain4j/langchain4j;

· lxcxjxhx opened on Sep 28, 2026

[FEATURE] Update Apache Tika to version 4.0

enhancementNew feature or requestNew feature or request

Status: Open.

#6532 In langchain4j/langchain4j;

· philippn opened on Sep 28, 2026

[BUG] HierarchicalDocumentSplitter throws or emits an empty segment on a whitespace-only buffer

Status: Open.

#6525 In langchain4j/langchain4j;

· Ayomipo18 opened on Sep 27, 2026

[FEATURE] ReRankingContentAggregator: add minResults to guarantee a minimum number of results when minScore filters out everything

enhancementNew feature or requestNew feature or request

Status: Open.

#6522 In langchain4j/langchain4j;

· riferrei opened on Sep 26, 2026

[BUG] HierarchicalDocumentSplitter emits empty segments for whitespace-only buffers

Status: Open.

#6520 In langchain4j/langchain4j;

· Ayomipo18 opened on Sep 26, 2026

WatsonxChatModel: thinking() returns null with openai/gpt-oss-120b

Status: Open.

#6511 In langchain4j/langchain4j;

· peulvast opened on Sep 25, 2026

[BUG] AnthropicMapper.toAnthropicTools() applies cache_control to multiple tools when ToolSpecifications are equal

bugSomething isn't workingSomething isn't working

Status: Open.

#6509 In langchain4j/langchain4j;

· vinod-iyer opened on Sep 25, 2026

[BUG] BedrockStreamingChatModel cuts off streams that run longer than 60 seconds by default (seen with GPT-6 Sol/Luna/Astra)

Status: Open.

#6500 In langchain4j/langchain4j;

· kimnamu opened on Sep 24, 2026

[BUG] QdrantEmbeddingStore loses the interrupt status when a blocking call is interrupted

Status: Open.

#6491 In langchain4j/langchain4j;

· anjeongkyun opened on Sep 23, 2026

OpenAI: onPartialResponse is invoked before onPartialThinking when a streaming chunk contains both content and reasoning_content

Status: Open.

#6489 In langchain4j/langchain4j;

· rekursiv opened on Sep 22, 2026

[BUG] WorkersAiEmbeddingModel swallows InterruptedException and loses interrupt status

bugSomething isn't workingSomething isn't working

Status: Open.

#6482 In langchain4j/langchain4j;

· huoyu48 opened on Sep 22, 2026