Thursday 06.12.2018 on Forced update, we choose to do a full wipe including blueprint on ours servers.
Update is usually around 19:00-22:00 GMT (7-10 PM) but we will never be for sure. it will come when its ready.
*I have not seen any official statement from facepunch that it will be a forced blueprint wipe*
*Others community can choose to wipe another day/time. forced map wipe usually is on every first thursday of the month.*
* There is no reports on forced blueprint wipe from facepunch*
You can always follow this site(s) for more news/updates