# Version Change History - [V3.0 Beta2 \(2021-12-31\)](#section18825185716537) - [Version Compatibility](#section8155205312218) - [Version Change History](#section1655415918226) - [V3.0 Beta1 \(2021-09-29\)](#section21092033115018) ## V3.0 Beta2 \(2021-12-31\) ### Version Compatibility DevEco Studio 3.0 Beta2 is compatible with the module versions listed below.

Module

Version

Description

Gradle

7.3 (7.2 at minimum)

DevEco Studio has Gradle 7.3 preinstalled. No separate installation is required.

JDK

11.0.x

DevEco Studio has JDK 11 preinstalled. No separate installation is required.

OpenHarmony SDK

3.1.0.0 (API Version 8 Beta)

This version is compatible with SDKs of earlier versions.

Toolchinas

3.1.0.0

Update them to the latest version.

hap plug-in

3.0.5.2

decctest plug-in

1.2.7.2
### Version Change History

New Features

  • Introduced the Chinese UI. By default, the UI is displayed in English. To enable the Chinese UI, go to Settings, choose Plugins > installed, and select Chinese (Simplified). Then, restart DevEco Studio for the settings to take effect.
  • Introduced support for OpenHarmony apps and services, with various debugging features, from breakpoint management and variable observation to stepping.

Enhanced Features

  • Updated the OpenHarmony SDK to 3.1.0.0, whose API version is API 8 Beta and corresponding compilation and building plugin is 3.0.5.2.
  • Added an ability template that supports low-code development: [Standard]Empty Ability.
  • Added eTS component preview: allows previewing of eTS components; requires compileSdkVersion 8 or later.
  • Added eTS livee preview: allows viewing of the attribute changes in real time as you make them; requires compileSdkVersion 8 or later.
## V3.0 Beta1 \(2021-09-29\)
New Features
  • Added support for OpenHarmony SDK management. You can use SDK Manager to download and manage OpenHarmony SDKs.
  • Allowed for building of a single module during HAP compilation and building to accelerate building for multi-module projects; allowed for one-click re-building of HAPs, by automatically conducting the Clean Project operation before a HAP build.
Enhanced Features
  • Updated the compilation and building plugin to version 3.0.3.2.
  • Improved the JSON editor, which now enables quick rectification of resource index errors and instant access to resource values.
  • Provided Ohos and Project (default) views for projects, which you can switch between easily.
  • Enabled OpenHarmony projects to support Ark build.
  • Moved the supportSystem "standard" field, which is exclusive to OpenHarmony projects, from the module-level build.gradle file to the project-level build.gradle file.