No. As long as you back up to Google Drive (requires Android 4.4.2’s limited Google Play Services), your chats are safe.
Android 4.4.2, also known as KitKat, was released back in 2013 and has since been succeeded by numerous versions of Android. However, many users still use devices running on this version, either by choice or due to hardware limitations. your chats are safe. Android 4.4.2
If WhatsApp will no longer run on your Android 4.4.2 device, consider these steps to stay connected: also known as KitKat