But yesterday, on the blog-post facebook says that the bug on their blocking system makes all block users unblocked automatically. This bug was active between May 29 and June 5, which affected 800,000 users.
Facebook chief privacy officer, Erin Egan says -
- It did not reinstate any friend connections that had been severed;
- 83% of people affected by the bug had only one person they had blocked temporarily unblocked; and
- Someone who was unblocked might have been able to contact people on Messenger who had blocked them.