RStudio does not start up with R 4.1.0 on Macbook Pro M1 MacOs Big Sur 11.3.1

[flipflop]

Here is the RStudio error message:

dyld: could not load inserted library
'/Library/Frameworks/R.framework/Resources/lib/libR.dylib'
because no suitable image found. Did find:
/Library/Frameworks/R.framework/Resources/lib/libR.dylib: mach-o, but wrong architecture
/Library/Frameworks/R.framework/Resources/lib/libR.dylib: stat() failed with errno=1

Note: RStudio worked fine with previous version of R. Looks like a compatibility issue, but this is above my pay grade! Suggestions?

[EconProf]

Did you install the Preview version of RStudio for R 4.1 compatibility? It also supports the Apple Silicon (aarch64) build of R 4.1.

PSA: R 4.1.0 release requires RStudio Preview

R 4.1.0 was released today! It includes a whole bunch of new features, including a new graphics engine, new syntax for pipes and lambdas, and other good stuff. There's a good summary of these syntax changes here: Because of these changes, you will need an updated version of RStudio to work with R 4.1. Support for R 4.1's new features is a big part of our upcoming patch release, which you can download here: You can still use older releases of RStudio with R 4.1, but they don't have support for the new syntax (so you'll see syntax errors), and you may experience crashes when plotting due to the graphics engine change. This preview release is stable for day-to-day work; it is undergoing …

[flipflop]

Thanks. No -- I used the latest stable release: Version 1.4.1106.

However, I fixed the problem by downloading the R4.1.0 Intel version -- it runs under Rosetta 2, the Mac Intel to Native M1 translator. I will update RStudio when the new version becomes available and then reload the native M1 Mac OS version of R. For my purposes, the temporary infelicities do not matter.

And I need to apologize for the noise -- more careful reading of the CRAN download page would have led me to the solution immediately.