Render very slow and lag when opening pdf files created by powerpoint
Render very slow and lag when opening pdf files created by powerpoint.
I find this issue when I open the slides第17讲_总复习1.pdf written by my teacher which are 50-100 pages pdf files created by powerpoint.
I use okular and installed poppler-data
It usually needs several seconds to load a page or it will be blank, and it loads just 2-3 pages at one time.