R not working within RStudio after R update (works with previous ver. of R)

RStudio IDE
1

I just updated R to version 4.3.0 (2023-04-21) -- "Already Tomorrow". I am running (Intel) Mac OS 12.6.6 (21G646). R runs fine from Terminal:

R version 4.3.0 (2023-04-21) -- "Already Tomorrow"
Copyright (C) 2023 The R Foundation for Statistical Computing
Platform: x86_64-apple-darwin20 (64-bit)

But when I fire up RStudio [ Version 2023.03.1+446 (2023.03.1+446) ] the R session will not start. I get the following error message:

 *** caught segfault ***
address 0x18, cause 'memory not mapped'

Traceback:
 1: dyn.load(file, DLLpath = DLLpath, ...)
 2: library.dynam(lib, package, package.lib)
 3: loadNamespace(j <- i[[1L]], c(lib.loc, .libPaths()), versionCheck = vI[[j]])
 4: asNamespace(ns)
 5: namespaceImportFrom(ns, loadNamespace(j <- i[[1L]], c(lib.loc,     .libPaths()), versionCheck = vI[[j]]), i[[2L]], from = package)
 6: loadNamespace(x)
 7: (function () reticulate::py_discover_config())()
 8: do.call(callback, data)
An irrecoverable exception occurred. R is aborting now ...

I have restarted R, RStudio and OSX, all to no avail. The happens every time I start up RStudio.

An update: When I shift back to legacy R version 4.2.3 (2023-03-15) -- "Shortstop Beagle", everything works just fine. It is the move to the latest version of R that is causing the problem. R works in Terminal in both cases but breaks in RStudio with the latest release of R.

2

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