Thank you for what seems like a very nice cross-platforming tool and I am eager to try it out.
By the way, I tried to install the SDK for about 10 times and it always fails at about 4%. I am attaching screenshots for your perusal.
I also tried with my native Qt 5.10.1 Maintenance Tool but it failed there as well. The error there was even more explicit. Apparently those two repositories shown in the attached image do not actually exist and/or they are empty.
Thank you for taking a look at this. My system is :
Ubuntu 16.04 LTS
<b>Qt Creator 4.5.1</b>
<div>Based on Qt 5.10.1 (GCC 5.3.1 20160406 (Red Hat 5.3.1-6), 64 bit)
Built on Feb 10 2018 04:21:03
From revision 24cd0b1cd6</div>