These fixes only use native methods for Windows 10. Using a few simple fixes, you can ensure that your pictures and videos load instantly with the Photos app. The reason: it has more to do with the app than your machine.
Have you encountered a familiar problem with Windows Photos app being slow and taking up to 30 seconds to open simple JPG files? Even with sizeable RAM and few apps running, you may feel the Photos app is taking too much time to respond.