Natively is supported from 2021R2, and in the universal2 form together with 64-bit Intel. For more information, you can refer to the release notes of the version
and also FlexNet Publisher 2021 R3 (188.8.131.52) now available!, FlexNet Publisher 2021 R3 (184.108.40.206) introduces macOs Big Sur (x86_64 + ARM64) support for lmadmin. Customers eligible for this platform can download the new lmadmin Universal2 installer and toolkit from the Product and License Center .
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