Not keyboard, but you can toggle three finger swipe to change size/opacity. Vertical swipe for size, horizontal swipe for opacity. I don't remember if this is the default behaviour or if you can customize it. I find it quite useful actually.

If you’re saving the files on iCloud or similar, it might have to do with that

Not quite sure about going back to the brush tool by default. Many times I just use the lasso tool or whatever other selection tool a lot, so I don’t want to have to reselect it because it automatically goes to the brush after transforming

Here’s a screenshot of what the setting looks like in case you’re more visual like me.

Gotta love ASP’s customizability… btw amazing artwork!

2. Artstudio was not featured by Apple at all while they are featuring many other apps over and over again. Switching to free was almost necessary to increase app popularity.

Bingo! ASP is now being featured within the art apps on the App Store, and it’s easier to find… Apple do likes this free+subscription model (please don’t remove the lifetime license option)

I would totally get the desktop version of ASP if I knew it was decently maintained. I was initially going to, but since I needed to upgrade my computer for that to happen as well, I delayed the purchase. Now I'm not so sure anymore, seeing that it gets little love lately, but I'd love to work seamlessly between devices using the same filetypes.

+1

Hi again!
A bit off topic, but I wanted to say this first: I can’t be happier with the app and the updates we’re getting! I’m always spreading the word and trying to bring people to switch to ASP, the BEST drawing app on iPad by far!

Now for the suggestion: it would be nice for my workflow (and maybe for others as well) to be able to set different "workspaces" with a specific set of tools (and settings, maybe? But this might be trickier I suppose) for different stages of any given process. In my case, I’d like to have a sketching/inking workspace, a flatting/coloring one, and a painting/rendering one, each with a given set of tools/favorites on the toolbar, as they’re all quite different workflows and require a very different sets of tools. It would be a timesaver to be able to switch between them (let’s say through the preferences panel—>interface, probably?). This would allow for a more compact set of tools and presets for each stage of the process, without having to swipe through the toolbar and/or having way too many items in the quick menu.
Hope you might consider adding this! It would be cool to know also if more users are interested in this feature being added. Thanks in advance!