[1.2.304] Strange items...

There's no reason to suspect that sharp eyes is intended to add 140% damage either. The fact that it happened in two versions simultaneously is reason enough to expect it to be permanent and intended.

Doesn't prove anything. There is no randomness in identical code, unless you mean to say that different versions implemented their own rendition of SE from scratch?

Of course it's pretty clear that it does add 140%, and there would be an outcry if it ever changed to 40%, but the skill description still tells us 40%. This one tells us 25%, so who's to say?