# Changelog

## [2.0.0-alpha.1](https://github.com/google/adk-python/compare/v2.0.0-alpha.0...v2.0.0-alpha.1) (2026-03-18)

### Features

Introduces two major capabilities:
* Workflow runtime: graph-based execution engine for composing
  deterministic execution flows for agentic apps, with support for
  routing, fan-out/fan-in, loops, retry, state management, dynamic
  nodes, human-in-the-loop, and nested workflows
* Task API: structured agent-to-agent delegation with multi-turn
  task mode, single-turn controlled output, mixed delegation
  patterns, human-in-the-loop, and task agents as workflow nodes
