Migrated to a new M1, photoshop runs as Intel; Lightroom runs native. Why?

@zuru7286100 wrote:

and chose to migrate from my old Mac.

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(Edited after more research)

I checked my Intel Mac and on it, Photoshop version 23 installs as Intel code only. The screen shot below is from System Information on my Intel Mac. Because you used Migration Assistant, it simply took what was there on your Intel Mac, and there was no Apple Silicon native Photoshop code there to migrate. With no Apple Silicon native code present for Photoshop, there is no way for you to force it out of Rosetta.

The way to fix this is to open the Creative Cloud desktop app (installer), uninstall the Photoshop you have, and reinstall the latest version. That should install the Universal (M1 and Intel) version.

When I got my M1 Pro, I decided that the platform change was so major that I should start fresh and bring forward as little old code as possible. Photoshop got installed as a Universal app, so there’s no problem running it native or through Rosetta.

Apple Migration Assistant is a lot better than it used to be, but sometimes things get brought forward that shouldn’t be, and for those applications, the best thing to do is uninstall and reinstall so that the installer definitely sets it up properly for the current hardware

Forgot to say, PS and LR are latest versions. PS is 23.0.2