[adk-java-releases-bot]

🤖 I have created a release beep boop

1.15.0 (2026-11-13)

Features

• add FunctionNode, a workflow step with typed Java ports (d627147)
• add TypeReference ports and a build-time port check to FunctionNode (01f899f)
• check workflow edges by assignability (a0cc1dc)
• classifiers: add ClassifierNode for workflow routing (61e0eb8)
• classifiers: add LlmClassifier backed by BaseLlm (f3e1cea)
• classifiers: add the experimental Classifier interface and its question and answer types (739c231)
• classifiers: read and write questions and answers as JSON (ef5f798)
• dev: serve workflow graph images (677557b)
• infer schemas for FunctionNode ports (020c95c)
• let models report whether they take an output schema with tools (5ce839b)
• mcp: add opt-in CallToolResultMapper for tool results (4dfe0b5)
• models: bring Claude to parity with ADK Python (62003c1)
• tokt: carry transcriptions and turnComplete across the interop (30edd99)
• tokt: convert speech and transcription configs (ab34617)
• tokt: run agents through the ADK Java runner's runLive (3582f1a)
• tokt: send blobs and run a held session through runLive (1f1537d)
• tokt: stream a Flowable FunctionTool in a live run (42b2f9c)
• workflow: add JoinNode.create for a join that needs only a name (d100738)
• workflow: ask the user to approve a FunctionNode run (1b11290)
• workflow: interrupt a canceled FunctionNode's body (3c07372)

Bug Fixes

• agents: stop saving a transfer target's reply to the parent's outputKey (abb86a7)
• aggregate live text chunks and skip partial events in runLive (9435377)
• count events after the last model response toward the compaction threshold (587d252)
• dev: listen on 127.0.0.1 by default in AdkWebServer.main() and start() (464cf48)
• flows: run onModelErrorCallback when a model throws synchronously (e5cd285)
• langchain4j: end a streamed turn with one response that holds the whole answer (8a9b6d0)
• let a sub-agent transfer back to its parent in a resumed invocation (7fb0a3b)
• live: answer a replayed history that ends in a user turn (f688c80)
• plugins: make BQAA GCS uploads create-only so transient errors retry (6a497da)
• plugins: prevent BQAA offload data loss and preserve binary MIME (94b5bac)
• show an agent the user's answer to another agent's call (658faba)
• spring-ai: report cached prompt tokens in usage metadata (a4182a5)
• tokt: merge a Java plugin's replacement onto the original, as ADK Python does (0bb7f4a)
• tools: keep the null of a required nullable property in set_model_response (e868293)
• validate free-form schemas instead of crashing (ad4ab50)
• workflow: pause a tool node when its tool asks for confirmation (f985064)

Documentation

• examples: add a classifier node workflow sample (87468e2)
• examples: add a workflows module with five samples that call no model (5217ce8)
• examples: add research and order-processing workflow samples (a968088)
• examples: add retry, returns and route workflow samples (a77e5dc)
• examples: add workflow samples that pause for human input (51bc06c)

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