Acorn 8.2 and macOS 26 Tahoe + Liquid Glass Plans

Acorn 8.2 is out. You can use either the Acorn ▸ Check for Updates… menu item, or use the App Store to update if you purchased it from there. The full release notes are available as well.

Here are my favorite things:

Export Gets Improvements Including Image Diffing

When I wrote the new image diffing features for Retrobatch, I knew I wanted to bring those to Acorn as well. Acorn 8's Export window now has the option to show differences as a highlighted overlay between the original and exported image. I've also brought over the split view as well.

When I wrote the new diff view, I knew I wanted to have it shared between the two apps, and I did a lot of work to make sure all of Acorn's main canvas features went into it as well. So things like overscroll, zooming to where the cursor pointer is, click-drag to move, shared shortcuts for zooming, deep image support, wide gamut support, etc. were all there. It was super gratifying to have that just work.

And that new canvas was so nice, I ended up using it in other locations in Acorn. The RAW Import window gets the new canvas, so does the Image ▸ New View… window. I've even added a mostly hidden new action in the Command Bar called