On 2018-12-06 13:54:42 UTC my account https://github.com/JanZerebecki was removed from the group https://github.com/wikimedia without explanation.
Sorry for being so late to notice, I was on holiday and didn't read Github email.
Who did that? An admin please check the audit log and paste the relevant part.
Is this a security incident?
@Reedy I don't have a list of admins of that group handy, so I'm just guessing that you might be or at least know?