To be fair, there's questions whether he committed suicide and its connection with the hormonal "therapy." (Edited: That said, it's entirely possible, so not discounting it completely).
After watching it, I found a link pointing out some of the historical inaccuracies:
http://www.hypable.com/the-imitation-game-historical-accuracy/
I understand movies based around real events and people have to take liberties, Argo did especially with the finale, but some are hard to ignore with this one. I can forgive the naming of the computer Christopher. Like Argo did to bolster its thriller aspects, Imitation Game did so for the dramatic elements, yet other parts, like leaving out Gordon Welchman, were a bit unforgivable.
As for the movie itself, it is well made but Benedict Cumberbatch takes it to whole other level, though at times it seems he was playing Sherlock, just an even more anti-social version. In any case, everything is well done unfortunately, as has been for other "true stories," this one fails to have good accuracy in key areas.
***¼/*****, (C+, 6.6/10, 2.75/4)