I have the same problem:

MacPro 5,1 (late 2010)
2.8 GHz Quad-Core Intel Xeon
32 GB 1066 MHz DDR3 ECC
AMD Radeon R9 280X 3072 MB
OS: High Sierra, 10.13.6

I copied the crash dump to Dropbox

Also, I'd be happy to help you test the new code; what will/would you need from me?