1405324 - Grey placeholders are no longer displayed after importing History

Status: RESOLVED WONTFIX

(Firefox :: New Tab Page, defect)

Description

[Ciprian Muresan [:cmuresan], Ecosystem QA]

Attachment: place holders no longer diplayed in nightly.gif

[Affected versions]:
- Firefox 58.0a1 Build ID 20171003100226

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

[Steps to reproduce]:
1. Create a new profile and start the browser with it.
2. Import History from another browser.
3. Observe the Highlights section.
 
[Expected results]:
- Placeholder images are displayed on the imported Highlights.

[Actual results]:
- Placeholder images are no longer displayed.

[Regression Window]:
Last good revision: 8ce27eeef7662c04deed1328ff25937e530aaf79
First bad revision: e3221268f8fc67bd461c2e04ed486e264c070abf
Pushlog:
https://hg.mozilla.org/integration/autoland/pushloghtml?fromchange=8ce27eeef7662c04deed1328ff25937e530aaf79&tochange=e3221268f8fc67bd461c2e04ed486e264c070abf

[Notes]:
- Attached a screen recording of the issue.

Comment 1

[Ed Lee :Mardak]

This is by design now that highlights will use a screenshot if there's no preview image. There were perceived performance concerns of showing the dark placeholder then switching to an image.