The company will not accept the filing of applications for the Windows Phone after that date. Do not apply only to Windows Phone, the company also stopped the acceptance of the application for Windows 8 and Windows 8.1. As for the registration limit equal to the version of Windows Phone, i.e. October 31, 2018. Meanwhile, the updates for the application that is already available is still possible. However, the developers are only given a chance until at least next year.
Update for Windows Phone 8.x and earlier versions can only be released at least until July 1, 2019, while the updates for Windows 8/8.1 only can be released until July 1, 2023. Microsoft said the update is received later, applies only to the Windows device 10.
Mere information, Microsoft officially ended support to 8.1 Windows Phone since last year. Through its website, the company announced it would no longer support the operating system calculated from July 11, 2017.