Dark mode theme with dark web content

[MichaelFCorker]

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Description of the issue:
Everything was fine until a couple of weeks ago, but now I am unable to get website content change according to system theme.
If I turn on the flag “#enable-force-dark” and select “Enabled”, all web content does turn dark. But when the app theme (and system theme) turns Light, the web content doesn’t turn white/light but still stays dark.
What combination of settings do I need to enable to make the following happen?

1. Dark app mode + dark web content during the night (as per the system theme)
2. Light app mode + light web content during the day (as per the system theme)

How can this issue be reproduced?

I don’t know

Expected result:

Brave Version (check About Brave):
Brave 1.57.53, Chromium 116.0.5845.114

Mobile Device details
OnePlus 7 Pro running Pixel Experience ROM + Magisk v26.1

Additional Information:

[MichaelFCorker]

Wow, didn’t expect this “community” to be so dead. Am I the only one who has an issue with the recently started dark mode problem?
Anyway, I found out the reason. It’s because the flag #darken-websites-checkbox-in-themes-setting has been removed. Temporary solution is to “Unexpire M115 flags” in brave://flags and renable the above flag.