Since you are on 6.0.1, you will remain compatible even after this September update. The Caveat:
So for now: (if you have the latest version from the Play Store). will whatsapp work on android 6.0.1
Leo explained that WhatsApp, like all apps, periodically stops supporting very old operating systems to add new security features (like end-to-end encryption upgrades) and emojis. Since you are on 6
– If you’re writing a report, you could cite WhatsApp’s official FAQ or Meta’s developer documentation as a primary source. Since you are on 6.0.1