I'm using CCC with Big Sur and, if you follow your customary procedure of reformatting the APFS volume and cloning everything, all will be well. One caveat: Let CCC erase the destination volume as part of the cloning procedure rather than use Disk Utility to reformat and then use CCC. That worked better for me than reformatting with Disk Utility and then cloning with CCC.
Last edited by jchuzi; 01/26/21 11:30 PM.
Jon
macOS 11.7.10, iMac Retina 5K 27-inch, late 2014, 3.5 GHz Intel Core i5, 1 TB fusion drive, 16 GB RAM, Epson SureColor P600, Photoshop CC, Lightroom CC, MS Office 365
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