Some PDF Files take very long to load and are laggy when using them

Description of the issue:

When opening huge PDF Files it takes Brave very long to load them until they are even shown.
When using the navigation of those huge PDFs and jumping from one Page to another it takes very long to load.
Even opening PDFs with just a few pages but with high resolution images can take a while.
Scrolling is a real issue also in such PDF Files.

How can this issue be reproduced?

  1. Open the following PDF Files with latest Brave
    a) https://www.bmel.de/SharedDocs/Downloads/Ernaehrung/NVS_ErgebnisberichtTeil2.pdf?__blob=publicationFile
    b) https://ecodemy.de/?media_dl=47998

or for a):

  1. Search for “NVS 2” on Google and set your search area to germany.
  2. Click on the first result " Ergebnisbericht, Teil 2 - BMEL"

or for a) & b):

  1. Download the PDF Files
    a) https://www.bmel.de/SharedDocs/Downloads/Ernaehrung/NVS_ErgebnisberichtTeil2.pdf?__blob=publicationFile)
    b) https://ecodemy.de/?media_dl=47998
  2. Open the PDF Files with Brave

Expected result:

Opening the PDF Files without having to wait that long until they load and being able to jump from the beginning of the PDF Files to the end of it (through the index) without any lags.

You can see the expected results in Acrobat Reader. It is working fine there without any lags.

Brave Version( check About Brave):

v 1.3.113

Additional Information:
OS: Windows 10
CPU: Ryzen 5 1600X
GPU: Radeon RX 580
RAM: 16GB
Resolution: WQHD

  • Just want to safe this topic from being removed.

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