Unity forum thread:

https://forum.unity.com/threads/source-code-dotsui-open-source-ui-framework-for-dots.715880/

Changelog:

com.dotsui.core/CHANGELOG.md

Packages

Core

UnityEngine hybrid converters

UnityEngine hybrid samples

Requirements

Unity 2019.3.0a8 or newer (hybrid package requires new Mesh API).

Installation

Method 1:

1. Clone repository
2. Copy packages into *ProjectRoot*/Packages

Method 2:

1. Clone repository
2. Copy packages into Assets/
3. Manually add Entities packages and update burst to at least v1.1.1