Yes, our SRDx Photoshop plug-in is since version 1.3.1.1 from August 12th, 2021 also compatible with the latest iMacs and MacBooks which are using the ARM architecture M1 system on a chip.
SRDx is of course still available for Intel Macs and Windows computers.
You can download the latest version for Mac here.
Make sure to close Photoshop before running the installation file of SRDx