jonkeane commented on code in PR #48819:
URL: https://github.com/apache/arrow/pull/48819#discussion_r2691019806


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r/vignettes/install.Rmd:
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@@ -23,8 +23,8 @@ but there are a few things to note.
 
 ### Compilers
 
-As of version 10.0.0, arrow requires a C++17 compiler to build.
-For `gcc`, this generally means version 7 or newer. Most contemporary Linux
+As of version 22.0.0, arrow requires a C++20 compiler to build.

Review Comment:
   I was aiming for 23, but we might have missed the boat on that one. We might 
still need to backport this to the CRAN release, so I'm going to put that for 
now. Regardless, yeah it's over 22 not 22 and over.



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