Previewer glitch scrolling through file when horizontal scroll appears

[belogorodtseva]

Environment:

• Preview version: Latest (cdn)

Smartphone (please complete the following information):

• Device: iPhoneXR
• OS: iOS 12+
• Browser: Safari

Steps to reproduce the problem:

1. Open file with different page width (or zoom any other file) to make horizontal scroll appears (at least 5+ pages)
2. Start scroll

What is the expected behavior? (Screenshots can be helpful here)
Scrolling is smooth and there is no flashing on screen.

What went wrong? (Screenshots, console logs, or HAR files can be helpful here)
Previewer glitch when scrolling.

Link to application or sample code:
https://test-box-annotations.herokuapp.com/

If relevant, link to file (or attach file here)
https://drive.google.com/open?id=1iSh12uX956X6E7o9ZyzUKU_0nyBL7Pk0

Expected behavior
Scrolling is smooth and there is no flashing on screen.

Thank you in advance!

[sahiga]

Hi @belogorodtseva, thank you for reporting this issue. I was able to reproduce it and have added it to our backlog.

[belogorodtseva]

@sahiga, thanks for a response!
Could you provide some approximate estimations on when you plan to fix it?

[sahiga]

Hi @belogorodtseva, we are investigating the issue and don't yet have an estimate, but we will keep you posted. Thank you for your continued patience!