I am getting the same error:
Error: Syntax error, unrecognized expression: unsupported pseudo: -webkit-autofill
For the time being, I just wrapped the offending code in parts/js/admin.js in a try/catch block, and the error is gone. Hopefully this will be taken care of in the next update 🙂
Piklist 1.0.3, with all other plugins disabled.
Wordpress 4.9.10
Using Firefox Quantum 66.0.3 64bit on Windows 10