1707482 - Proton Regression, less easy to differentiate multiples tabs between them

Status: NEW

(Firefox :: Tabbed Browser, defect, P3)

Description

[Peter deHaan [:pdehaan]]

This comment is copy/pasted from a community issue filed during the Foxfooding program.

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Firefox Version: Mozilla/5.0 (X11; Linux x86_64; rv:89.0) Gecko/20100101 Firefox/89.0
Window Size (inner width and height): 960x966

Steps to Reproduce

Update Firefox and enable Proton UI

Expected Behavior

Little bar or shading between teh new "button" tabs

Actual Behavior

Tabs/buttons (I don't know what it is now) blend in each other

Comment 1

[Peter deHaan [:pdehaan]]

Attachment: Tabs/buttons blend in each other

Comment 2

[Peter deHaan [:pdehaan]]

Another report:

Firefox Version: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:89.0) Gecko/20100101 Firefox/89.0
Window Size (inner width and height): 1366x643

Steps to Reproduce

Open multiple tabs

Expected Behavior

Tabs are easily distinguishable

Actual Behavior

No borders between tabs makes them difficult to distinguish. Poor accessibility.

Comment 3

[Peter deHaan [:pdehaan]]

Another report in community Matrix #foxfooding channel

Hey, so...
I just updated Firefox and got the new address bar / tab design.
The thing is, I use 'Increase Contrast' on macOS.
The new tab and address bar design is hard to see!
The lines differentiating interface elements are not very thick,
especially when I stack a theme on top of that.

[screenshot1]

I can't clearly see tab boundaries or the edge of the address bar - the line is too gray and thin.
Same for the line marking out the active tab, btw. It's too thin and I have a hard time seeing it.
The 'increase contrast' mode on macOS makes all dividing lines, etc. thicker and more visible

[screenshot2]

[screenshot3]

...but it appears that Firefox really isn't respecting this setting, unfortunately.
What are my options?

Comment 4

[Peter deHaan [:pdehaan]]

Attachment: [screenshot1]

Comment 5

[Peter deHaan [:pdehaan]]

Attachment: [screenshot2]

Comment 6

[Peter deHaan [:pdehaan]]

Attachment: [screenshot3]

Comment 7

[Peter deHaan [:pdehaan]]

This is possibly a dupe of https://bugzilla.mozilla.org/show_bug.cgi?id=1705072

Comment 8

[michael.shaun.woelk]

The proton "tabs" are bothering me too. It's a broken UI when you can't tell tabs appart without hovering over them with your mouse (and on touchscreen you don't even have that option).

Comment 9

[BugBot [:suhaib / :marco/ :calixte]]

The severity field is not set for this bug.
:dao, could you have a look please?

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