Firstly, I have used secure folder since it was introduced years ago and I can't believe how bad it is now after the one ui 8 update, I don't use a screen lock and don't want too, but now you have to use one if you want to use secure folder. This is ridiculous! You shouldn't be forced to use a screen lock when there is already a lock on the secure folder.
Next, when you are in the secure folder, there is no longer an option to close it automatically when you leave, so if you leave your phone open, someone could still get into it, it should lock as soon as you leave it.
Lastly, I can't believe that you can no longer use circle to search inside the folder, this is also ridiculous, to have an amazing feature like that and not being able to use it half of the time, what is the point in that! I have been with samsung since the original galaxy s, I am a very loyal customer but I am seriously thinking of changing, this is one of the biggest downgrades I've seen, please sort these issues