Here is another item I would like to add but may seem trivial.
I found that most of the time the scale that I have been working in is either 1: 10 or 1:12. I found that the Endpoint Size, Connection Size and Control point size has maximum metric value of 2.5 and I find it a bit small at times to work with. To alleviate this problem I work in a lower scale (e.g. 1:

but would still prefer to work in the higher scale. My eyesight is not what it once was and if the size could be increased to say 4 or 5 that would be a big help. I suspect most will not find this to be an issue.