I got a bit confused with Apples’s strange MacOS version numbers. Anyway Electron 38, which is out in a month or two drops support for Big Sur.
Support for MacOS 13 means that most, but not all, Macs after 2017 are supported, which is not a bad effort. Ken > On 17 Jul 2025, at 4:47 pm, Simon Urbanek <simon.urba...@r-project.org> wrote: > > Ken, > > That's not true, Positron is based on Electron 34 which supports macOS 11 > just fine (as do all stable releases of Electron). The breakage comes from > the Jupyter R kernel which ostensibly was intended to be backward compatible > (with minos set to 10.12 which is ancient) so it looks like an oversight at > build time more than an intention. That is not to say that reliance on such a > long list of 3rd party code doesn't have problems in that regard, so I > wouldn’t hold my breath (Electron did announce the intent to break it in the > future releases). > > Cheers, > Simon > > >> On 17/07/2025, at 16:01, Ken Beath <k...@kjbeath.id.au> wrote: >> >> The problem is that it uses the Electron framework, and it isn’t supported >> on earlier versions of MacOS. >> >> Ken >> >>> On 17 Jul 2025, at 1:15 pm, Simon Urbanek <simon.urba...@r-project.org> >>> wrote: >>> >>> Kevin, >>> >>> You may have missed one key part: large fraction of Intel Mac users cannot >>> upgrade, because Apple removed many Intel Mac drivers from more recent >>> macOS versions, so many R users have no choice - they cannot upgrade even >>> if they wanted to - which why we see so many R users using macOS < 13. The >>> question of EOL support becomes irrelevant if it is the only way to keep a >>> perfectly good machine running. That’s why it is important for R to keep >>> supporting macOS 11 and higher at least for the x86_64 builds (arm64 is >>> fine so far, Apple is currently supporting all Apple Silicon Macs in the >>> latest macOS). One could say that Apple is becoming the victim of their own >>> hardware quality :). >>> >>> Cheers, >>> Simon >>> >>> >>>> On 17/07/2025, at 14:03, Kevin Ushey <kevinus...@gmail.com> wrote: >>>> >>>> Big Sur is no longer supported by Apple (it reached EOL in September 2023) >>>> so you're unfortunately likely to continue to run into these sorts of >>>> issues if you cannot upgrade your OS. >>>> >>>> On Wed, Jul 16, 2025, 6:07 PM José Carlos Guerrero Antúnez < >>>> jcgantu...@gmail.com> wrote: >>>> >>>>> Thanks Bill for the recommendation. >>>>> I installed Positron but I got this message, it doesn't seem to connect >>>>> with R. >>>>> >>>>> R 4.5.1 failed to start up (exit code -1) >>>>> >>>>> The kernel exited before a connection could be established >>>>> dyld: Symbol not found: >>>>> __ZTTNSt3__118basic_stringstreamIcNS_11char_traitsIcEENS_9allocatorIcEEEE >>>>> Referenced from: >>>>> >>>>> /Applications/Positron.app/Contents/Resources/app/extensions/positron-r/resources/ark/ark >>>>> Expected in: /usr/lib/libc++.1.dylib >>>>> in >>>>> >>>>> /Applications/Positron.app/Contents/Resources/app/extensions/positron-r/resources/ark/ark >>>>> >>>>> El mié, 16 jul 2025 a las 7:14, <bill+rsig...@8pawexpress.com> escribió: >>>>> >>>>>> 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 < >>>>> jcgantu...@gmail.com> <jcgantu...@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 (<rollinfor...@gmail.com> < >>>>> rollinfor...@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 <kevinus...@gmail.com> < >>>>> kevinus...@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 at https://github.com/rstudio/rstudio/issues. >>>>>> >>>>>> On Mon, Jul 14, 2025, 6:54 PM José Carlos Guerrero Antúnez < >>>>> jcgantu...@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 (< >>>>>> >>>>>> jdnew...@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" < >>>>> jcgantu...@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 listR-SIG-Mac@r-project.orghttps:// >>>>> 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 listR-SIG-Mac@r-project.orghttps:// >>>>> stat.ethz.ch/mailman/listinfo/r-sig-mac >>>>>> >>>>>> [[alternative HTML version deleted]] >>>>>> >>>>>> _______________________________________________ >>>>>> R-SIG-Mac mailing listR-SIG-Mac@r-project.orghttps:// >>>>> stat.ethz.ch/mailman/listinfo/r-sig-mac >>>>>> >>>>>> -- >>>>>> José Carlos Guerrero >>>>>> >>>>>> [[alternative HTML version deleted]] >>>>>> >>>>>> _______________________________________________ >>>>>> R-SIG-Mac mailing listR-SIG-Mac@r-project.orghttps:// >>>>> stat.ethz.ch/mailman/listinfo/r-sig-mac >>>>>> >>>>>> _______________________________________________ >>>>>> R-SIG-Mac mailing listR-SIG-Mac@r-project.orghttps:// >>>>> stat.ethz.ch/mailman/listinfo/r-sig-mac >>>>>> >>>>>> ​ >>>>>> >>>>> >>>>> >>>>> -- >>>>> José Carlos Guerrero >>>>> >>>>> [[alternative HTML version deleted]] >>>>> >>>>> _______________________________________________ >>>>> R-SIG-Mac mailing list >>>>> R-SIG-Mac@r-project.org >>>>> https://stat.ethz.ch/mailman/listinfo/r-sig-mac >>>>> >>>> >>>> [[alternative HTML version deleted]] >>>> >>>> _______________________________________________ >>>> R-SIG-Mac mailing list >>>> R-SIG-Mac@r-project.org >>>> https://stat.ethz.ch/mailman/listinfo/r-sig-mac >>>> >>> >>> _______________________________________________ >>> R-SIG-Mac mailing list >>> R-SIG-Mac@r-project.org >>> https://stat.ethz.ch/mailman/listinfo/r-sig-mac >> > _______________________________________________ R-SIG-Mac mailing list R-SIG-Mac@r-project.org https://stat.ethz.ch/mailman/listinfo/r-sig-mac
