Substance Painter 2's Opacity issues.

[MizManFryinP🍳]

As the title suggests, I am having problems with the Opacity texture.
Whenever I apply opacity to something, even if it is the tiniest amount of transperancy, it just goes fully blown transparent.

And yes before you ask, I am using the alpha blending shader. I also tried with the other one but it functioned as expected and didn't help me here.

I have watched the official tutorial on YouTube, did the exact step by step and it is the same. I have a feeling this is a bug or something but if it isn't then any help is MUCH appreciated!
Thanks!!

[Regis]

Yep, it seams it is a bug, although when you render your model in iray, the transparency works. When you export opacity map, and plug it in, for example, marmoset, it also works.

So yeah, it's broken in substance viewport for a long time now