[R-SIG-Mac] Problems with RStudio for mac

Wed Jul 16 12:14:17 CEST 2025

I’m neither a Posit/RStudio employee/dev nor do I use their IDEs atm, 
but … while RStudio IDE requires MacOS 13+, the “next-gen” IDE from 
Posit is Positron, and it allegedly depends only on MacOS 10.15+ with 
universal, intel, and arm64 binaries. See 
https://positron.posit.co/download.html.

I’ve played briefly with it, and while I’m an avid emacs/ess user (never 
been much for RStudio IDE itself), the Positron experience is getting 
much closer to what I hope for. There are discussions on migrating 
(keyboard shortcuts, mental assumptions, etc) from RStudio IDE to reduce 
the change, and I believe there are few things one can do in RStudio 
that are not also feasible in Positron.

Good luck,
Bill

On 7/15/25 18:36, Simon Urbanek wrote:

> José,
>
> I agree that latest RStudio dropping support for a very large number of Macs is unfortunate. It may be worth raising it with Posit - we have very deliberately not increased the macOS version requirement of R binaries, because it would affect way too may R users based on the estimates from weblogs (as Intel Mac owners simply cannot upgrade).
>
> That said, in the meantime you can install any older R version as well - see
>
> https://cran.r-project.org/bin/macosx/big-sur-x86_64/base/
>
> to match the last working RStudio to see if it will work for your use case.
>
> Of course, for regular work you can switch to the Mac GUI which always supports the same macOS version as R, or any of the other GUI alternatives that don’t embed R.
>
> Cheers,
> Simon
>
>
>
>> On 16/07/2025, at 02:37, José Carlos Guerrero Antúnez<jcgantunez using gmail.com> wrote:
>>
>> Thanks Kevin and Roy,
>> I work with two old Macs with the BigSur operating system (one at home and
>> one at school) and I can't upgrade, which prevents me from having the
>> newest version of RStudio because it doesn't meet the requirements.
>> I wanted to install the caretSDM package, on the Mac at home I had version
>> 4.3.3 and the package recommended me to use a newer version of R and I
>> upgraded to version 4.5.1. In the case of the faculty Mac I am using
>> version R.4.4.0 and I have no problem with the caretSDM package.
>>  From my ignorance I dare to say that there is a package that is generating
>> the conflict with R version 4.5.1.
>>
>> Best regards,
>>
>> El mar, 15 jul 2025 a las 1:02, roy (<rollinforall using gmail.com>) escribió:
>>
>>> Hi José
>>> fwiw, I tried R 4.5.1 on my macmini (15.5, Intel) with an old version of
>>> RStudio and received the same similar error you reported.  When I updated
>>> to the latest RStudio (Version 2025.05.1+513 (2025.05.1+513)) my quick test
>>> (matrix multiplication) worked without error.
>>>
>>> cheers, roy
>>>
>>>
>>> On Mon, Jul 14, 2025 at 8:42 PM Kevin Ushey<kevinushey using gmail.com> wrote:
>>>
>>>> Did you already try installing the latest available release of RStudio? In
>>>> general, R and RStudio should be upgraded together.
>>>>
>>>> If you still have problems with the latest release of RStudio, you should
>>>> file a big report athttps://github.com/rstudio/rstudio/issues.
>>>>
>>>> On Mon, Jul 14, 2025, 6:54 PM José Carlos Guerrero Antúnez <
>>>> jcgantunez using gmail.com> wrote:
>>>>
>>>>> Thank you Jeff for your suggestions, I will keep them in mind.
>>>>>
>>>>>
>>>>>
>>>>>
>>>>> El lun, 14 jul 2025 a las 22:45, Jeff Newmiller (<
>>>> jdnewmil using dcn.davis.ca.us
>>>>>> )
>>>>> escribió:
>>>>>
>>>>>> R is maintained by the volunteer R Core group, while RStudio is
>>>>> maintained
>>>>>> by Posit. You may get more thorough help with RStudio if you ask at
>>>> the
>>>>>> Posit forum.
>>>>>>
>>>>>> That said, as a rule the RStudio team has to play "catch-up" when R is
>>>>>> upgraded by R Core. You may be running an older version of RStudio
>>>> that
>>>>>> does not know how to deal with R 4.5.1. Check for a newer version of
>>>>>> RStudio, or try uninstalling R 4.5.1 and re-installing an older
>>>> version
>>>>>> R... or try using R with a different text editor (there are a lot of
>>>>> them).
>>>>>> RStudio is a fine option, but it is not the only way to use R.
>>>>>>
>>>>>> On July 14, 2025 5:54:47 PM PDT, "José Carlos Guerrero Antúnez" <
>>>>>> jcgantunez using gmail.com> wrote:
>>>>>>> Hi,
>>>>>>>
>>>>>>> I am not sure if this is the right forum for this query, and I
>>>> apologize
>>>>>> in
>>>>>>> advance.
>>>>>>> I recently upgraded to version R 4.5.1, and I use the RStudio
>>>> program. I
>>>>>>> can open it without any problem, but I am experiencing crashes
>>>> whenever
>>>>> I
>>>>>>> perform any action in the program. I receive the following message:
>>>>>>> "R Session Aborted. R encountered a fatal error. The session was
>>>>>>> terminated. Start New Session."
>>>>>>>
>>>>>>> Could you please recommend what I should do?
>>>>>>>
>>>>>>> Thank you very much
>>>>>>>
>>>>>>>       [[alternative HTML version deleted]]
>>>>>>>
>>>>>>> _______________________________________________
>>>>>>> R-SIG-Mac mailing list
>>>>>>> R-SIG-Mac using r-project.org
>>>>>>> https://stat.ethz.ch/mailman/listinfo/r-sig-mac
>>>>>> --
>>>>>> Sent from my phone. Please excuse my brevity.
>>>>>>
>>>>> --
>>>>> José Carlos Guerrero
>>>>>
>>>>>         [[alternative HTML version deleted]]
>>>>>
>>>>> _______________________________________________
>>>>> R-SIG-Mac mailing list
>>>>> R-SIG-Mac using r-project.org
>>>>> https://stat.ethz.ch/mailman/listinfo/r-sig-mac
>>>>>
>>>>         [[alternative HTML version deleted]]
>>>>
>>>> _______________________________________________
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>>>> R-SIG-Mac using r-project.org
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>>>>
>> -- 
>> José Carlos Guerrero
>>
>> [[alternative HTML version deleted]]
>>
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