Some users have reported similar issues with the latest version of the Nvidia GPU driver. Downgrading it a version has helped. You can give it a try if you're using a Nvidia GPU.
Let us know how it goes.
Note: Moving this thread from Bugs to Discussions for troubleshooting.
I'm having a similar problem where I made a video but when I export it, it's not the video I made, its some bugged out version. I'm trying to find a solution but I can't find one.