Bricklink recently released beta of Studio PartDesigner

https://www.bricklink.com/v3/studio/partdesigner.page

Yes, we know but it is probably not the right place to advertise it =)

It's not an advertisement more of a discussion starter. I wanted to know what are Mecabricks plan in this department and how it is better and/or different.

I didn't use it yet. I'm looking forward to hear the feedback of anyone that already used it.
Can you create advanced and detailed parts?

I wasn’t impressed, the new part manager is a lot better for handling decorations.

It is not very impressive. As far as it's decorative abilities go, it can really only handle minifigures, so no weird pieces. As far as creating pieces go, it is also not very advanced. If you are trying to just create a piece that has a clip, hole, etc... though, it's just fine.