There are a couple of limitations in the number of filters/effects you can use. And on Linux, the free version won’t edit MP4 natively. But the reality is you shouldn’t be editing on MP4s anyway. It’s a dreadfully inefficient format for doing actual editing as far as scrubbing through the timeline, etc… MP4 is a final product format. For editing you should be transcoding your clips into something like Apple Pro-res or DNxHD.
Yes.
There are a couple of limitations in the number of filters/effects you can use. And on Linux, the free version won’t edit MP4 natively. But the reality is you shouldn’t be editing on MP4s anyway. It’s a dreadfully inefficient format for doing actual editing as far as scrubbing through the timeline, etc… MP4 is a final product format. For editing you should be transcoding your clips into something like Apple Pro-res or DNxHD.