Unfortunately doesn't work with Vega:

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          Welcome to lolMiner-144.5 0.38
                 Public preview

   This software is only meant for pool mining
       with the Equihash 144.5 algorithm

For usage instructions add -h to the commandline.
          Made by Lolliedieb, June 2018
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lolMiner is configured to mine BitcoinZ(BTCZ), Equihash 144.5
Auto selecting platform with id 0: AMD Accelerated Parallel Processing
Auto selecting all GPU in platform.
Using device with id 0 (Radeon RX Vega)
Setup Miner...
ERROR: Kernel kernels/144_5/gfx900.bin can not be build for your device 0(gfx900)
-11
Build Status: -2
Build Options:
Build Log: Error: AMD HSA Code Object loading failed.

Warning: Your device with id 0 is currently not supported by lolMiner-144.5
Error: lolMiner does not support any of the detected / selected devices algorithms on the selected algorithm.

I tried with the 18.6.1 Beta driver.