RStudio 2025.09.0 fails to run shiny::runGitHub(), shiny::runUrl(), and shiny::runGist()

RStudio IDE
1

After updating to RStudio 2025.09.0, none of the remote execution functions from the shiny package work anymore. This includes:

  • shiny::runGitHub()
  • shiny::runUrl()
  • shiny::runGist()

All of them return an error like:
Error in .rs.downloadFile(...) :
cannot open the URL ...

Even the official shiny examples fail, e.g.:

shiny::runGitHub("shiny-examples", "rstudio", subdir = "001-hello")

  • Reinstalling the previous version of RStudio makes everything work again.
  • This seems to be a regression specific to the new version when handling remote downloads.
2

Are you on Windows? If so, then this is very likely this issue: download file erroring out in 2025.09 on Windows · Issue #16446 · rstudio/rstudio · GitHub

This is fixed in an upcoming 2025.09.1 patch (should be released in the next couple days). If you want to try a build (which at this point will be the same as the official release, barring any last-minute changes):

3

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