No technical support;
No Research and Development team;
The software is very outdated compared to its competitors;
If you purchased a lifetime subscription, be careful! Wave.video's founder didn't map it correctly to the current subscription plan.
If you have a lifetime subscription, be careful with your credit card. You will be charged if you exceed your plan limit, automatically, without your consent;
Constant errors with video rendering. Their server is very poor.

Wave Video is stuck in time and survives with the help of devices.