I believe I have the same problem here. When I am reading pdfs in Portrait mode and I try to remove the boarders at the bottom and top by tapping on the screen it oscillators up and down with the same text in view-everything thing seems to work fine other than the oscillations of the screen which isnt very good.
I think it might be one of the updates because I am sure I wasn't have this issue before December 2018 or earlier not very sure when it started.Am not a programmer but am inclined to think it is a scaling issue. I using the app on my LG g6_LG H871
I believe I have the same problem here. When I am reading pdfs in Portrait mode and I try to remove the boarders at the bottom and top by tapping on the screen it oscillators up and down with the same text in view-everything thing seems to work fine other than the oscillations of the screen which isnt very good.
I think it might be one of the updates because I am sure I wasn't have this issue before December 2018 or earlier not very sure when it started.Am not a programmer but am inclined to think it is a scaling issue. I using the app on my LG g6_LG H871