It’s great you have a build for x86 Ubuntu and Fedora. Would it be possible to also release a build for Ubuntu ARMv8 ? I wouldn’t think it would create any additional workload.
If you need a machine to test with, this quad core machine is $29 with 2GB RAM and gigabit Ethernet:
https://www.pine64.com/product
And here is a prebuilt Ubuntu 14.04 Trusty with instructions: