I have found that if you update an image in your media library, this program does not automatically update the image. The original image simply disappears.
That said I cannot recommend this plugin if you have a bunch of videos because you will have to update every post/page manually. I purchased this plugin in good faith only to find out that the free version works as well as the paid version with little difference in the upgrade. Speaking of upgrades, I have yet to see one from this creator and it's been almost a year. I doubt that this plugin will work with Gutenberg in the final analysis.