Major revamp of the build system CMake to better manage sub modules
Better use of CMake sub modules, prefer building sub modules from source
HMI GUI updates to support themes, PPI improvements
New Widget architecture for extensible GUI elements
New doxygen documentation system (Published to GitHub Pages)
Switch CI/CD from travis.com to GitHub Actions
More OS/s supported including ARM builds
New linting rules and adoption of Google C++ coding style (cpplint)
New security vulnerability scanning with SonarCloud