New feature or functionality

Ability to flip the quickly flip the document horizontally / vertically to check for mistakes and fine tune.

It would be great to right click and just merge the layer you're working on with the layer underneath it. This way you can add details to an image then quickly merge it to keep layer count manageable without having to group all layers or drop to t...

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

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 think it would be nice to be able to use a list of dabs (ideally with customizable chance of each being used) instead of a single one. It would be especially useful for painterly brushes or brushes meant to fill in parts of the background rather...

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

a really working and precise magic wand / fastselection tooland color selection, as in PS.

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 ...

Ps introduced the new format .psb and only CSP seems to be able to open