[ESS] Have M-x R point at the most recent version of R

[Toby Hocking]

I put it on the path,
Windows key -> Edit the system environment variables -> Environment
variables... -> Double click Path -> add C:\Program
Files\R\R-devel\bin\x64 or whatever

On Tue, Sep 26, 2023 at 3:07 AM Hüsing, Johannes via ESS-help
<ess-help using r-project.org> wrote:
>
> Dear ESS-helping crowd,
> following the advice on https://r-pkgs.org/setup.html, I installed R version 4.3.1 for MS Windows from CRAN.
>
> How do I communicate to ESS that a new version has been installed? I read the advice on https://emacs.stackexchange.com/questions/60681/ess-start-process-does-not-include-new-r-version, I used the Emacs customisation dialogue to set ess-rterm-version-paths from C:/Program Files/R/R-4.2.2/bin/x64/Rterm.exe to C:/Program Files/R/R-4.3.1/bin/x64/Rterm.exe. After that, the variable ess-r-runner-prefixes, as well as ess-r-versions resolves to ("R-1" "R-2" "R-3" "R-4" "R-5" "R-6" "R-7" "R-devel" "R-patched"), and both M-x R and M-x R-newest will start R 4.2.2. The variable ess-r-versions-created resolves to (R-4.2.2-64bit), as does its alias ess-r-created-runners. Neither of these is customizable in the Emacs dialog.
>
> Is there a way to proceed to notify ESS about the new version installed? RStudio opened a miniscule dialog window indicating that it detected conflicting versions and had me choose one of them.
>
> Thanks for any hint.
>
>
>
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