In case of trouble, just install an older version on top of this and you will automatically revert to using Intel code. The installer installs universal code for Ghostscript. Ghostscript 9.53.3 was released on Octoand fixes the transparency bug which affected TeX users. Both run as before on Intel machines, but also contain Arm code and run natively on the new machines.
The links below provide universal copies of TeXShop and the Ghostscript-9.53 install package. We know that some users want to run native code from day one. Thus MacTeX will support Intel and Arm machines on an equal footing for many years to come. This will require only a small change the TeX binaries currently contain Intel code from 2021 on they will contain both Intel and Arm code packaged together as a universal binary. That version will fully support Arm processors on the Macintosh. The current version was released on Apand the next version should be released sometime in April, 2021. See the next section if you want to use native Arm code immediately. Although we have not tested other front ends, we expect that all software used to typeset will run fine.įull native Arm support will arrive with MacTeX-2021 next spring. TeXShop, Ghostscript, and the entire TeX Live system work as usual.
Thus the MacTeX-2020 and BasicTeX-2020 installers install TeX Live exactly as they do on Intel machines, and TeX Live Utility can update these systems with no problems. The entire TeX infrastruction runs well under Rosetta - we know of no problems. Arm machines contain software called "Rosetta" which allows them to run Intel code.
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