1876493 - Moving the cursor on different elements from the tab after the preview is displayed makes the preview to disappear and reappear

Status: VERIFIED FIXED

(Firefox :: Tabbed Browser, defect)

Description

[Bogdan Maris, Desktop Test Engineering]

Attachment: Gif showing the issue

Found in

• Latest Nightly 124.0a1 (2024-01-25)

Affected versions

• Latest Nightly 124.0a1 (2024-01-25)

Tested platforms

• Affected platforms: Windows 11 and Ubuntu 22.04
• Unaffected platforms: macOS 13.6

Preconditions

• Activate the feature by setting browser.tabs.cardPreview.enabled as true in about:config

Steps to reproduce

1. Open two websites in two different tabs (make sure you visit one with a short title to reproduce more easily eg: youtube)
2. Hover the mouse cursor over the tab which is not in focus
3. Move the cursor on that tab over the text (title of tab)/title icon/blank area/close button without changing the focus from it.

Expected result

• Preview remains visible while the cursor is on the same tab and moved all over it even on the close button I would say.

Actual result

• Preview disappears and reappears even though the cursor of the mouse has not left the same tab area.

Regression range

• Not a regression since this is reproducible on old Nightly build from 2024-01-13 where this feature officially landed.

Comment 1

[BugBot [:suhaib / :marco]]

:bmaris, if you think that's a regression, could you try to find a regression range using for example mozregression?

Comment 3

[DJ]

This looks like it was fixed by 1882099

Comment 4

[Bogdan Maris, Desktop Test Engineering]

Closing this as verified fixed as well since I did the same with bug 1882099 and these two are basically the same thing.