To understand the limitations, one must understand the environment in which WhatsApp operated on KitKat.
The short answer is Here is the official timeline: whatsapp for android 4.4.2
If the app fails to verify, consider using a mobile browser to access your chats, though WhatsApp Web typically requires a primary phone that is already running a supported version of the app. WhatsApp Messenger 2.25.4.4 beta - APKMirror To understand the limitations, one must understand the
Google stopped supporting Android 4.4 in August 2023. Continuing to use such an old OS poses significant security risks as it lacks critical patches for modern vulnerabilities [5]. To understand the limitations