1448910 - Setting https://www.reddit.com as a Top Site image will result in a blank Top Site

Status: RESOLVED WONTFIX

(Firefox :: New Tab Page, defect)

Description

[Ciprian Muresan [:cmuresan], Formerly of Ecosystem QA - please needinfo @mcoman for things regarding the team]

Attachment: reddit homepage set as a top site image is blank.gif

[Affected versions]:
- Nightly 61.0a1

[Affected Platforms]:
- All Windows
- All Mac
- All Linux

[Prerequisites]:
- Have a clean new Firefox profile.

[Steps to reproduce]:
1. Start the browser with the prerequisites from prerequisites and open a new tab.
2. Create or edit the a Top Site for "https://www.reddit.com".
3. Set "https://www.reddit.com" as a custom image.
4. Click "Preview" and observe the Top Site image.

[Expected result]:
- The website screenshot is loaded as an image of the Top Site.

[Actual results]:
- The Top Site is blank.

[Notes]:
- As far as I have found, this issue is only reproducible with https://www.reddit.com.
- If you do the same thing with other Top Sites, a screenshot of the page will be displayed as a Top Site image.
- Attached a screen recording of the issue.

Comment 1

[Tim Spurway [:tspurway]]

The user could choose a specific image rather than ask the thumbnailer to create one.  In this case reddit has an empty splash screen that is getting thumbnailed