1616517 - Cards context menu button animation is rendered incorrectly with WebRender enabled

Status: NEW

(Firefox :: New Tab Page, defect, P3)

Description

[Valentina Virlics [:vvalentina], Ecosystem QA]

Attachment: context-menu.gif

[Affected versions]:

• Firefox Release 73.0.1 Build ID 20200217142647
• Firefox Beta 74.0b5 Build ID 20200218224219
• Firefox Nightly 75.0a1 Build ID 20200218213359

[Affected Platforms]:

• Windows 10
• Mac 10.14
• Linux Debian 9

[Prerequisites]:

• Have WebRender graphics compositor enabled.

[Steps to reproduce]:

1. Open about:newtab page.
2. Hover over any Top Site/Recommended by Pocket/Highlights card.
3. Observe the context menu button.

[Expected result]:

• Context menu button animation is rendered correctly.

[Actual result]:

• Context menu button animation is rendered incorrectly.

[Notes]:

• Issue is observed better for Highlights cards.
• Not reproducing if Webrender is disabled.

Comment 1

[Jessilyn Davis]

Are you referring to the transitioning in/out of the context button menu when you hover over it and then away?

Comment 2

[Valentina Virlics [:vvalentina], Ecosystem QA]

Attachment: context.gif

Comment 3

[Valentina Virlics [:vvalentina], Ecosystem QA]

Comment on attachment 9128430 [details]
context.gif

Yes. Seems like a ..."blurry" display, for the first sec., of the cards context menu button.
Attaching a closer look.

Comment 5

[Petruta Horea [:phorea], Desktop Test Engineering]

Reproduced in latest Nightly 91.0a1 under Win 10 64-bit.