sergsako

[book.zip](https://github.com/sumatrapdfreader/sumatrapdf/files/9397165/book.zip) ZIP contains one book in EPUB and FB2 format. SumatraPDF 3.5.15237 does not show the cover image of EPUB and shows only one empty page for FB2. SumatraPDF 3.5.15235...

I just found that the new build 3.5.15238 opens all my EPUB books correctly, the cover pictures are shown everywhere. But still every one of my FB2 books is shown...

I have just tested pre-release build version 15255, built on 2022-10-14. Nice! All my EPUB and FB2 books are displayed correctly. I only have to close this issue. Thank you!

In **15235**, I see no problem with tabs. I have to close this issue.

Yes, tabs are enabled. Portable SumatraPDF pre-release was used, only the new EXE was put to a usual folder of the program, the sumatrapdfcache folder and SumatraPDF-settings.txt file of the...

https://github.com/sumatrapdfreader/sumatrapdf/assets/106967914/379c4adc-c89b-44d3-8a16-6de9adfe6133 I made a video, somehow.

Brackets in this document are displayed well by Microsoft Edge 131.0.2903.63 (on Win10 21H2 x64) which, in its turn, uses some integrated components of Adobe Reader. 

Unfortunately, with 3.6.17065 I also cannot read any DJVU book of my collection. Stable 3.5.2 works fine.