Long time source gamer, so I know that long loading times for map transitions are expected, anywhere from 3-15 seconds, and that’s OK.
However, when I do a quick save and a quick load, it is consistently taking 7-15 seconds, depending on where I set my graphics. I’ve seen that you’ve tackled this issue for same-map loading, but I’m hoping this isn’t the “fixed” version I’m feeling.
I’m on a pretty high-end gaming laptop, and other source games quick-load in about two seconds, and about .5 if I’m running Source Unpacked.
But thanks for such a nice source (AHAHAHAHA) port 
Also, please put ABH back… If people speed run your game, more people will buy it, I promise. It doesn’t affect the average player, since they don’t know how to ABH, but no one will run your game without ABH (Or bunnyhopping, but you’d have to really code that in there…)