ss-shiny has been successfully tested under the following configurations:
* R version 4.0.0 + Microsoft Windows 10 Enterprise (64-bit) + Mozilla Firefox 76.0.1 (64-bit)
* R version 3.6.3 + Microsoft Windows 10 x64 (build 18363) + Google Chrome 83.0.4103.61 (64-bit)
* R version 4.0.0 + Microsoft Windows 10 x64 (build 18363) + Google Chrome 83.0.4103.61 (64-bit)

gr-shiny has been successfully tested under the following configurations:
* R version 4.0.0 + macOS Catalina 10.15.4 (64-bit) + Mozilla Firefox 77.0 (64-bit)
* R version 4.0.0 + Microsoft Windows 10 Pro (64-bit) + Google Chrome Version 83.0.4103.61
* R version 4.0.0 + Microsoft Windows 7 Pro (64-bit) + 360 Version 12.1.2768.0
* R version 4.0.0 + Microsoft Windows 10.0.16299.1127 + Shiny 1.4.02 + R-Studio 1.2.5042 + Mozilla Firefox 76.0.1 (64-bit)
* R version 4.0.0 + Microsoft Windows 10.0.16299.1127 + Shiny 1.4.02 + R-Studio 1.2.5042 + Internet Explorer 11.1087.16299.0