Its still not clear when Lenovo will announce the upcoming ThinkPad P1 – but an official release might be in sight, as two new official renders of the ThinkPad P1, a thinner 15-inch workstation laptop, have appeared on the internet.
https://www.notebookcheck.net/Lenovo-ThinkPad-P1-Additional-pictures-of-the-upcoming-workstation-surfaced.320232.0.html