Patchs of some beamer commands and templates for right to left presentations using babel with bidi=basic
(lualatex)
\documentclass{beamer-rl}
\babelprovide[import=ar-DZ, main]{arabic}
\usetheme{CambridgeUS}
\usecolortheme{spruce}
\title{beamer-rl class}
\author{Salim Bou}
\institute[]{%
{\color{blue} Repository: } https://github.com/seloumi/beamer-rl \par
{\color{blue} Bug tracker: } https://github.com/seloumi/beamer-rl/issues
}
\date{\today}
\begin{document}
\begin{frame}
\titlepage
\end{frame}
\end{document}