2058494 - [Nova] Tab container stroke has become much harder to see alongside favicon making containers harder to use safely and effectively

Status: RESOLVED DUPLICATE of bug 2057172

(Firefox :: Containers, defect)

Description

[Kestrel]

Attachment: Comparison of container tab visibility with Nova disabled and enabled (bottom)

STR:

1. Launch latest Nightly 155.0a1 with browser.nova.enabled = true.
2. Create an orange "Work" container tab.
3. Visit a website with an orange favicon (eg https://www.temu.com or https://www.amazon.com).

Expected:
Tab container is obvious regardless of website like before.

Actual:
Tab container is represented by a small hat on top of favicon that can be difficult to spot if it has a similar color. Users with vision impairment may see them blur together and even users with good vision can miss it if they don't pay close attention. The consequence of using the wrong container and leaking sensitive cookies can be significant.

Containers need strong visual feedback to use safely and effectively.

Regression window:
https://hg-edge.mozilla.org/integration/autoland/pushloghtml?fromchange=c68d75d797c5305bdca64fb72d8ddf1ced6c3fff&tochange=fd9bf6d5a5a05b7ea908933fdbb38e4fd5efe4d2

Regressed by Bug 2054407.

Comment 1

[BugBot [:suhaib / :marco]]

:baku, since you are the author of the regressor, bug 2054407, could you take a look? Also, could you set the severity field?

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