Latest report says that WhasApp is working on kaiOS platform, to develop it for most affordable featured phone. Jio phone uses KaiOS, which will also get supported by WhatsApp soon.
According to WABetaInfo, WhatsApp is on development stages for KaiOS, “Important references about the development of a new native KaiOS app had been found in the latest WhatsApp beta for Windows Phone 2.18.38, indicating the presence of a new platform that can be connected to WhatsApp servers,” reads the post by WABetaInfo via gadgetstouse.
However Reliance Jio has already revealed its own app on the KaiOS plateform, it is expected that other apps were also made available for the OS such as Facebook.
But now, from recent report it is expected that Facebook owned WhatsApp might support the KaiOS soon. The KaiOS is Linux based operating system for mostly featured phone.