1862164 - Cannot capture the full screenshot of 'about:preferences' page when 'screenshots.browser.component.enabled' is True

Status: RESOLVED DUPLICATE of bug 1643719

(Firefox :: Screenshots, defect)

Description

[bugbugbug]

Attachment: CannotCaptureFullScreenshotOfAboutPreferences.mov

[Affected versions]:

• 119.0 (64-bit)

[Affected platforms]:

• Mac 14.0 (23A344)

[Preconditions]:

• set 'screenshots.browser.component.enabled' is True

[Steps to reproduce]:

1. Open 'about:preferences' page
2. Click the 'Take a Screenshot' button
3. Click the 'Save full page' button
4. Observe the screenshot

[Expected result]:

• The full screenshot of this page should be captured

[Actual result]:

• Only the visible part of this page is captured

[Notes]:

• The full screenshot of 'about:addons' page can be captured

Comment 1

[bugbugbug]

Attachment: Screenshot 2023-10-31 at 20-57-57 Settings.png

Comment 2

[bugbugbug]

Attachment: Screenshot 2023-10-31 at 20-58-08 Add-ons Manager.png

Comment 3

[Ardelean Oana, Desktop Test Engineering [:oardelean]]

Managed to reproduce this issue on:

• Firefox 119.0;
• Firefox 120.0b5;
• Nightly 121.0a1;

Tested and reproduced on:

• Windows 10;
• macOS 12;
• Ubuntu 22;

Setting as NEW so the developing team can have a look.

Comment 4

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

Thanks for filing this. We run into this issue on a lot of pages where the main scrollable content is not the document element or body. I'm going to dupe this to bug 1643719 where we have been tracking this and will ultimately fix it.