Due to lack of consumer interest, Google is pulling the plug for Google Plus. However if you are G+ user, you will get around 10 months to migrate. The final shutdown will happen only by the end of August 2019
Quoteit has not achieved broad consumer or developer adoption, and has seen limited user interaction with apps. The consumer version of Google+ currently has low usage and engagement: 90 percent of Google+ user sessions are less than five seconds.