Can't import these specific abr brushes

[hinthint]

Hi, I can import most of my photoshop brushes, just not these three.
When they're grouped with other brushes, the rest were imported successfully and there wasn't an error message.
So I create a new abr file with just these three. None of them is imported. I'm on the latest production version.
https://www.dropbox.com/s/xls40shxnfzhrl8/flat-point.abr?dl=0
Thanks for taking a look.

[Lucky Clan]

Brushes you attached contain special kind of Photoshop brushes named Bristle tip (or Live Tip).They are not used too often, but some brush packs from Internet may contain few.

Artstudio supports only Circle and Image photoshop stamps, so Bristle based brushes are not imported.

[hinthint]

Thank you! Is there a plan to support bristle tips in the future? I guess that's pretty tricky since the bristle brush tip shape can change based on a few factors.

[Lucky Clan]

No, we will not support this. Adobe doesn't pay attention to this feature as well. Few months ago they even removed "bristle brush preview window" from Photoshop. Besides brushes from Kyle (Adobe is promoting it a lot) don't contain Bristle brushes, so it seems it is a bit dead idea.