[joshlambert]

We've had Mattermost integrated for quite some time, it predates the gitter acquisition. It's in use by around 5% of our installations and has a passionate userbase.

[implying]

How do you know this? Does gitlab have telemetry in its base installation?

[blackst0ne]

Yes, it does.

https://docs.gitlab.com/ee/user/admin_area/settings/usage_st...