Open Bug 1918068 Opened 20 days ago Updated 14 days ago

Default favicon (wireframe globe) appears while loading vertical tabs despite site having a favicon

Categories

(Firefox :: Sidebar, defect, P2)

defect

Tracking

()

ASSIGNED
Tracking Status
firefox-esr115 --- unaffected
firefox-esr128 --- unaffected
firefox130 --- unaffected
firefox131 --- disabled
firefox132 --- disabled

People

(Reporter: ke5trel, Assigned: sclements)

References

(Blocks 1 open bug, Regression)

Details

(Keywords: regression, Whiteboard: [fidefe-sidebar])

Attachments

(1 file)

STR:

  1. Start with sidebar.verticalTabs = true and sidebar.revamp = true.
  2. Visit github.com.
  3. At the top of the page, open the link to githubuniverse.com ("Explore the full schedule and get tickets now") several times in new tabs.

Expected:
Default favicon is only shown when site doesn't have a favicon.

Actual:
Default favicon (wireframe globe) appears while loading. It flickers briefly for fast sites but can appear for several seconds for slow sites, before and/or after the loading animation.

In comparison, horizontal tabs only show the default favicon as fallback when the site does not provide one.

Regression window:
https://hg.mozilla.org/integration/autoland/pushloghtml?fromchange=ceca0963d7196cb8b1d0804ebe682c236c7b1e3a&tochange=06914b4eaad0653829331b51d44339a5f77c6950

Regressed by Bug 1909843.

:sclements, since you are the author of the regressor, bug 1909843, could you take a look? Also, could you set the severity field?

For more information, please visit BugBot documentation.

Flags: needinfo?(sclements)
Assignee: nobody → sclements
Severity: -- → S4
Status: NEW → ASSIGNED
Flags: needinfo?(sclements)
Priority: -- → P2
Whiteboard: [fidefe-sidebar]
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