Harmony OS 2

HarmonyOS 3.0.0 Developer Preview: Milestone Planning

HarmonyOS 3.0 release date 2022

Huawei has already started rolling the HarmonyOS 3.0.0 Developer Preview which includes approximately 6,000 TypeScript and JavaScript APIs to cover basic distributed capabilities and facilitate the development of well-rounded applications.

HarmonyOS 3.0.0 Developer Preview API Version 7:

Thanks to HarmonyOS 3.0 API Version 7, there are now more APIs than ever at your disposal, including those for ArkUI, program framework, telephony, media, and much more.

HarmonyOS 3.0.0 Developer Preview API Version 7

HarmonyOS 3.0.0 Developer Preview ArkUI:

ArkUI is a declarative UI development framework for building HarmonyOS application UIs.

HarmonyOS 3.0.0 Developer Preview ArkUI

HarmonyOS 3.0.0 Developer Preview ArkCompiler:

ArkCompiler is a unified programming platform developed by Huawei. Its key components include a compiler, toolchain, and runtime. By leveraging ArkCompiler, you’ll be able to compile and run high-level programming languages on the multi-chip platform.

HarmonyOS 3.0.0 Developer Preview ArkCompiler

HarmonyOS 3.0.0 Milestone Planning: Release Date, Beta:

  • October 2021- January 2022 Developer Preview
  • February Mid 2022 to May 2022 Beta Rollout
  • July 2022 – Official HarmonyOS 3 version (Stable HarmonyOS 3)

HarmonyOS 3.0 Milestone Planning



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