Inconsistency with transparency on tokens

[Unreal_Ed]

I have been uploading a set of images, all of which have transparency in them. For some reason, however, some of the images are not being imported with their transparency. I created all those images with the same app at the same time but I can't figure out why they're not importing with transparency... As far as I can tell there shouldn't be anything preventing it from happening.

Here are the files that DO work with transparency:
[URL="https://i.imgur.com/1QAP6zg.png"]2 https://i.imgur.com/1QAP6zg.png[/URL]
[URL="https://i.imgur.com/TCqXVUQ.png"]4 https://i.imgur.com/TCqXVUQ.png[/URL]
[URL="https://i.imgur.com/RqnEVZG.png"]6 https://i.imgur.com/RqnEVZG.png[/URL]
[URL="https://i.imgur.com/HRdj0zO.png"]8 https://i.imgur.com/HRdj0zO.png[/URL]

and here are the ones that DIDN'T show up with transparency:
[URL="https://i.imgur.com/NxX62QJ.png"]0 https://i.imgur.com/NxX62QJ.png[/URL]
[URL="https://i.imgur.com/IKqGH8u.png"]1 https://i.imgur.com/IKqGH8u.png[/URL]
[URL="https://i.imgur.com/9SVGejk.png"]3 https://i.imgur.com/9SVGejk.png[/URL]
[URL="https://i.imgur.com/ELn3Iuz.png"]5 https://i.imgur.com/ELn3Iuz.png[/URL]
[URL="https://i.imgur.com/e1EVNJp.png"]7 https://i.imgur.com/e1EVNJp.png[/URL]
[URL="https://i.imgur.com/KtUGv1Q.png"]9 https://i.imgur.com/KtUGv1Q.png[/URL]

Do note that the 0 is actually importing the empty pixels as black whereas all the other ones are imported as white....

[Lucky seven]

Here Try these versions instead.

Adding a single clear pixel all around the perimeter will help keep it working smoothly as a rule of thumb.

The process used to form your shape does not like multiple distinct transparent sections or a transparent Window in an otherwise solid shape.
so to make a window cut a single wide pixel gap from the hole to the outside edge. and keep your transparent sections connected so they form a continuous whole.

[Unreal_Ed]

Oh wow, ok. Yea these files worked. These tips really should be listed as a mouseover tooltip in the token creation window.

For the 7, does it count as one continuous transparent section because of the pixel-wide spacing around the image? I can't see a hole connecting the transparent halves like you did for the 0, so I'm guessing that going around the image works

[Lucky seven]

Yes that's right, I don't really use the custom token, but luckily this same thing came up in conversation with another group I'm part of just a couple of days ago

Or I'd be scratching my head as to the cause of the problem myself... serendipity I guess

[Unreal_Ed]

Yea, seems I got quite lucky! But yea a not about this either in that window or at least in the documentation about custom tokens seems important. I've had this bug before but didn't find a solution