version 7.1

[Felicitus Bigbeaver]

Just fired it up, and everything has slowed down to about a frame a second

[Alan Phipps]

Why not give some information in the thread and thread title that might help to identify the problem and get the right devs to notice.

Usually the best thing to do on seeing problems straight after an update (assuming a vanilla game rather than from broken/outdated 3rd party mods) is to do a game installation verification.