Developers can still update their WP 8.x applications, but these application updates will only show upWindows10 Mobile devices. Large applications such as WhatsApp will also be abandoned by the end of 2019.MicrosoftMobile platforms, as well as Facebook for Windows 10 Mobile, have stopped updating.
In a statement released in 2018, Microsoft wrote: "Microsoft will stop releasing application updates to Windows Phone 8.x or earlier devices. You can still publish updates to all applications (including those using Windows Phone 8.x or earlier versions). However, these updates can only be used on Windows 10 devices."
According to 2017 statistics released by advertising company AdDuplex, 70% of Windows isMobile phoneIt still stays on the WP 8.1 system, with less than 30% of the devices running Windows 10 Mobile. Microsoft's move to stop distributing application updates to older mobile devices will affect most Windows Phone users.