Acorn 7.1.3 macOS

# New Stuff
There's a new "Flatten Shape Processors" menu item under the Shape ▸ Processor menu, which will be enabled when you have a shape layer active with shape processors on it. It's a quick way to flatten the processors (instead of doing so under the ((P)) palette).
When changing the canvas backdrop color (via the contextual menu on the canvas) the new color picked will be remembered and used on all open images. In addition there is a new submenu in the contextual menu to pick from a couple of gray colors, or a custom color.
When exporting an image as an Animated GIF, you now have the option to name a layer "@compositetop" which will then be drawn on top of every exported frame. This is handy if you want to take an existing Animated GIF and add a bit of text to every frame.
# Bug Fixes
Fixed a problem where Acorn was crashing with certain images on MacOS 12.1.
Fixed a problem where Acorn could fail to open certain images with a gray color profile.
Fixed a problem where a bézier path wouldn't draw the first anchor if a path had multiple segments.
Fixed a problem where you couldn't flatten shape layer processor filters.
# Other
Reworked the "Edit in Acorn" Photos extension so that it worked nicer with the App Store version of Acorn (and also better imports RAW photos).