I was having a hard time getting Internet Explorer 8 (IE8) working with Socket.IO's "htmlfile" transport (or any other transport for that matter). I was getting weird permissions issues. I finally fixed the problem by adding a DTD to the top of my HTML file, "<!doctype html>". I was just being lazy not having a DTD, but I was really surprised when that fixed my problem. Of course, I'm still having a hard time getting IE7, IE6, and Opera working cross-domain (technically, I'm just using a different port, but eventually it'll truly be cross-domain).
I decided to give Ubuntu 20.04 a try on my 2015 15" MacBook Pro. I didn't actually install it; I just live booted from a USB thumb drive which was enough to try out everything I wanted. In summary, it's not perfect, and issues with my camera would prevent me from switching, but given the right hardware, I think it's a really viable option. The first thing I wanted to try was what would happen if I plugged in a non-HiDPI screen given that my laptop has a HiDPI screen. Without sub-pixel scaling, whatever scale rate I picked for one screen would apply to the other. However, once I turned on sub-pixel scaling, I was able to pick different scale rates for the internal and external displays. That looked ok. I tried plugging in and unplugging multiple times, and it didn't crash. I doubt it'd work with my Thunderbolt display at work, but it worked fine for my HDMI displays at home. I even plugged it into my TV, and it stuck to the 100% scaling I picked for the othe