July 19, 2016, Fedora 22 has reached end of life for updates and support. There is no more updates, even for security fixes. Fedora 23 will be maintained until 1 month after the release of Fedora 25 & Fedora 24 will be maintained until 1 month after the release of Fedora 26.
Fedora 22 was officially released on
November 3, 2015. Whoever still running with Fedora 22, i know you have enjoyed a lot with your desktop. Everything one day come to an end so, don’t worry and run behind.
Every new release of Fedora comes with set of fixes and improvement. To upgrading to latest one you will get more benefits on all the way, like software (You will get all the latest builds) & Better hardware support.
If you’re still using the Fedora 22, I’m strongly advising you to consider the Fedora 23 Upgrade or Fedora 24 Upgrade with immediate effort by today onwards.
Refer the following article for Fedora Upgrade from Fedora 22 to Fedora 23 and Fedora 24.
Fedora Upgrade from Fedora 23 to Fedora 23 via gnome software