Google is shutting down Google+ for consumers following a security breach.
However, Google says that there is no evidence of developers being aware of this bug. There is also no evidence that any data has been misused.
Google plus is being shutdown due to recent security reaches caused by the API and its social platform is also losing users to facebook and other competitors.
Google has expedited the shut-down of all Google+ APIs within the next 90 days. Google is shutting down its social network Google+ four months earlier than expected due to another data leak. ... It means that consumer version of Google+ will discontinue for everyone by April 2019, instead of August 2019.