Problems with R GUI and a MacBook Pro with TouchBar

Thank you very much, Simon, for your information and your work.

Although the message below was not referencing the problem I had, it has been very useful for me.

The Mac R GUI: "R-GUI-7903-4.0-high-sierra-Debug" works fine now.
My problem with the R GUI (with a 16-inch MacBook Pro 2019, Big Sur 11.0.1 operating system and R 4.0.3) has disappeared. Now, I do not have any warnings. 

But, there is only one thing that still does not work correctly: when using Mission Control the scrolling of the windows is slower if the R windows are "on top of the other open windows" and I want to select another window from another application that is "behind" R.

Thanks,
Mar?a-?ngeles Casares-de-Cal

El 13 dic 2020, a las 23:57, Simon Urbanek <simon.urbanek at R-project.org> escribi?:

Petar,

thanks, that output helps. As part of the cleanup R executes a system() command which crashes, causing the hang as the GUI tries to recover from the crash, but fails.

I tried to use a different way to issue the system() command, so please try the Mac GUI rev. 7903 or higher from https://mac.R-project.org which should become available after the nightly build in the next 24h (scroll down to Mac OS X GUI and you can run it directly from the downloaded image, you don't have to install it).

Thanks,
Simon

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