i have realized that too and wrote about it to their support team and even there are more issues they need to fix actually looks like they need to hire new IT team ,
New published projects are not visible if u go through which u can see by going to dashboard and scrolling page down to project section(and it seemes they fixed it after i wrote their support team about it),Sometimes it takes too much time for page reload,when i open new page here it keep reloading and in the end it says -hang tight maintenence- and recently it happens very frequently ,even my clients complained that they had issues while trying to enter cgtrader for whatever reason from buying new models to rating them