This is wrong in 0.8.0-beta.
PS C:\Users\gaborcsardi> rig resolve release
4.5.1 https://cran.rstudio.com/bin/windows/base/R-4.5.1-win.exe
PS C:\Users\gaborcsardi> rig resolve release -a aarch64
4.5.1 https://github.com/r-hub/R/releases/download/v4.5.1/R-4.5.1-aarch64.exe