WhatsApp drops support for outdated Android KitKat in latest update

WhatsApp has removed support for Android 4.4 KitKat in latest app version.

Only 0.5% of Android devices still use KitKat, so impact is small.

Dropping KitKat support allows WhatsApp to focus on newer Android versions.

WhatsApp adding new features like multi-account switching and extra security.

Removing outdated OS support common for apps - allows focusing on current platforms.