1616002 - When default zoom level is changed a “100%” flash is displayed in address bar after restarting Firefox

Status: NEW

(Firefox :: Address Bar, defect, P3)

Description

[Maria Berlinger [:mberlinger], Services QA]

Attachment: zoom.gif

Affected versions

• 75.0a1 (2020-02-16)
• 74.0b4
• 73.0

Affected platforms

• Windows 10x64
• macOS 10.14
• Ubuntu 18.04x64

Steps to reproduce

1. Launch Firefox.
2. Go to about:preferences.
3. Change the default zoom (e.g set it to 90%).
4. Open different sites in new tabs.
5. Restart Firefox.
6. Go to one of the opened tabs in order to load it.

Expected result

• No flash with 100% zoom level after restart.

Actual result

• A 100% zoom flash is displayed when loading the page after restart.

Regression range

• This issue is not a recent regression since I was able to reproduce it on Firefox 73.0. I’ll come with a regression range asap.

Additional notes

• I’ll attach a screen recording with the issue.

Comment 1

[Kartikaya Gupta (email:[e-mail])]

This doesn't seem like an APZ bug, moving components to match bug 1616090.

Comment 2

[Maria Berlinger [:mberlinger], Services QA]

Hello,

I don't think this is a regression.
I went back until 2019-12-24 when the option "Default zoom" was implemented on about:preferences and I could reproduce the issue.