Android Q is expected to introduce a system-wide dark mode for all users, but developers have also been pushing to build this sought-after feature directly into their apps.
DARK MODE in WhatsApp (How to Enable it!)
Quite a few major companies, including Apple and Twitter, have already moved to include a dark mode toggle in their apps. But Facebook-owned WhatsApp is still struggling to add the feature to the billions of users worldwide.
After Twitter user WABetaInfo gave users some hope that a dark mode was in the works, he discovered that WhatsApp had removed all references to dark mode in recent beta builds 2.19.123 and 2.19.124.
I don't know why WhatsApp abandoned dark mode for Android.