Open Bug 1862028 Opened 2 years ago Updated 2 years ago

Website switches to light theme AFTER hitting page print and never switches back

Categories

(Toolkit :: Printing, defect)

Firefox 119
defect

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()

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(Reporter: saddu.ks, Unassigned)

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User Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:109.0) Gecko/20100101 Firefox/119.0

Steps to reproduce:

OS Name: Microsoft Windows 10 Enterprise
OS Version: 10.0.19045 N/A Build 19045

OS default is Dark theme.
Firefox "Appearance" settings is set to default - which should be dark theme.

I was in https://web.whatsapp.com/ which defaults to dark theme.
When I hit CTRL+P (page print), I see that the website switches to light theme and never comes back to dark.

Actual results:

The whatsapp switches over to light theme when we hit CTRL + P.
So far this happens for web.whatsapp.com but there could be more sites that have this problem

Expected results:

CTRL + P should not have switched the theme on the website from dark to light.

The Bugbug bot thinks this bug should belong to the 'Toolkit::Printing' component, and is moving the bug to that component. Please correct in case you think the bot is wrong.

Component: Untriaged → Printing
Product: Firefox → Toolkit

This doesn't happen on other sites that enable a dark mode, so seems like it may be a WhatsApp bug. Do you mind reporting it on https://webcompat.com/ instead?

Thanks!

Severity: -- → S4
Status: UNCONFIRMED → NEW
Ever confirmed: true
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