<html><head><meta http-equiv="Content-Type" content="text/html; charset=utf-8"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;" class=""><br class=""><div><blockquote type="cite" class=""><div class="">On Jan 14, 2021, at 2:31 PM, Gregory Coats via R-SIG-Mac <<a href="mailto:r-sig-mac@r-project.org" class="">r-sig-mac@r-project.org</a>> wrote:</div><br class="Apple-interchange-newline"><div class=""><div class="">The web site <a href="https://mac.r-project.org/" class="">https://mac.r-project.org/</a> <<a href="https://mac.r-project.org/" class="">https://mac.r-project.org/</a>> specifically shows that as of Thu 2021-01-14 00:56 <br class="">1. R compiled for Big Sur for Macs with the Intel CISC x86_64 chip is NOT available.<br class="">2. R complied for "high-sierra” for Macs with the Intel CISC x86_64 chip IS available.<br class="">However, my Mac is running Big Sur OS, and my Mac is too new to be able to run the older High Sierra OS.<br class="">Greg Coats<br class=""><blockquote type="cite" class="">On Jan 14, 2021, at 2:10 PM, Jean Thioulouse <<a href="mailto:jean.thioulouse@univ-lyon1.fr" class="">jean.thioulouse@univ-lyon1.fr</a>> wrote:<br class=""><br class="">- On Intel Macs:<br class=""><br class="">R 4.0.3 binary is available for macOS 10.13 (High Sierra) and higher (including Big Sur)<br class=""></blockquote></div></div></blockquote><div><br class=""></div></div><br class=""><div class="">Hi,</div><div class=""><br class=""></div><div class="">You are mis-reading that page.</div><div class=""><br class=""></div><div class="">With respect to Apple Silicon (M1/arm64), the *development* version of R 4.1.0, which is not yet released, and is a nightly, unstable, build, does not compile:</div><div class=""><br class=""></div><div class=""><img apple-inline="yes" id="36280420-D5F0-42AF-AC36-75FF8BFE8E4D" src="cid:59C4D620-E9C4-4824-87C2-F0039D2E1223" class=""></div><div class=""><br class=""></div><div class="">That version is not intended for production use.</div><div class=""><br class=""></div><div class=""><br class=""></div><div class="">At the top of the page, you will find the following:</div><div class=""><br class=""></div><div class=""><img apple-inline="yes" id="CD8DF13D-3368-4DD2-8859-9337CDF2CF35" src="cid:9F1674E0-8956-49E6-8217-61BEC57FDC64" class=""></div><div class=""><br class=""></div><div class=""><br class=""></div><div class="">The current, stable, release version of R, which is 4.0.3, works just fine on Intel based Macs running Bug Sur:</div><div class=""><br class=""></div><div class=""> <a href="https://cran.r-project.org/bin/macosx/" class="">https://cran.r-project.org/bin/macosx/</a></div><div class=""><br class=""></div><div class="">I am running that version on my Intel Mac, running Big Sur 11.1.</div><div class=""><br class=""></div><div class="">If you follow Prof. Ripley's updates on the list, regarding Apple Silicon specifically, you will see additional information, including CRAN package testing:</div><div class=""><br class=""></div><div class=""> <a href="https://stat.ethz.ch/pipermail/r-sig-mac/2021-January/013870.html" class="">https://stat.ethz.ch/pipermail/r-sig-mac/2021-January/013870.html</a></div><div class=""><br class=""></div><div class="">Marc Schwartz</div><div class=""><br class=""></div></body></html>