All ideas

Often work / create on the go and would be ideal to use Painter on iPad/mobile instead of using another app.

Sub-groups will be maintained when saving or importing PSD files in Painter

Resizing a brush can be very slow especially with certain brushes and certain sizes. Would be great if all brushes can be resized faster.

The current adjustments are very limited with linear scales and with crude levels of adjustment. It would be useful to see, for example, adjustment layers as in PSP or PS to apply to one layer or all layers below. It would be better if these adjus...

I often use PaintShop Pro for editing and making adjustments to my images. Would be good to have file compatibility and be able to transfer .RIFF file or .PSPimage files between Painter and PaintShop Pro so I don't loose file data when transferrin...

I find it very helpful if you can turn the reference image into grayscale. This can free up the artist in color choices. This can also help with getting the correct values in the image.

Add the ability to create unique brush tracking curves for size, opacity, and other important brush controls.

This is a functionality that Photoshop has. It works like this: - Choose the eyedropper tool - Left click and hold anywhere on the canvas - While still holding, move the eyedropper tool outside of the program and release click over the colour you ...

Many artists will use a gird on their reference as well as on the canvas making it easier to get the right proportions in quickly without cloning.

Photoshop has a thing in its brush engine called 'dual brush' where you can use one brush inside another brush. Difficult to explain, but you can see a demo here: https://www.youtube.com/watch?v=yidS6WRLObw