I understand what you are saying but I don't want to be limited by software I use. Original image project is drawn with vectors and I want my animation projects to be future proof for Ultra HD 8K resolution (I'm also programmer and engine I use gives me this option). I don't want to hope that software will work as intended. I want to be certain that whatever I plan to do, will work.
If software can handle it I shouldn't run out of memory (32 GB on my machine). I only need PNGs. Code I wrote can handle the rest.
I will check Spriter 2 when it'll be released.