1879409 - Screenshot broken with high DPR values

Status: RESOLVED DUPLICATE of bug 1789727

(Firefox :: Screenshots, defect)

Description

[particlecore]

User Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:122.0) Gecko/20100101 Firefox/122.0

Steps to reproduce:

This issue has been going on for at least 1 year and is still present in latest Nightly 124.0a1

Other users also reported the same thing: https://www.reddit.com/r/firefox/comments/zgq2tc/partial_screenshot_with_high_dpr_problem/

• Open the console and turn on Responsive Design Mode
• Change the size to any size (1280x800 for example)
• Change the DPR to 3
• Right click and select Taken Screenshot, then select Save Visible

Actual results:

• The resulting image is a fully transparent PNG with the actual screenshot occupying a third of the size on the top left corner

Expected results:

• The resulting image should have been a full high density screenshot occupying the entire screenshot canvas

Comment 1

[Ciprian Georgiu, Desktop QA]

I can confirm this issue with latest Nightly 124.0a1, Beta 123.0b8, Release 122.0.1 and Esr 115.8.0 by following the STR from comment 0. Tested with macOS 10.13.

Chaning the bug status to "NEW".

Comment 2

[Sam Foster [:sfoster] (he/him)]

This is fixed in nightly, now that the component pref is defaulting to true.