Comment 19 for bug 1786822

Resolved following answer from #4.

Ubuntu 20.04

Using pinta from apt, not snap.

$ pinta --version
1.6

Updated mono: https://www.mono-project.com/download/stable/#download-lin

$ mono --version
Mono JIT compiler version 6.12.0.122 (tarball Mon Feb 22 17:33:28 UTC 2021)
Copyright (C) 2002-2014 Novell, Inc, Xamarin Inc and Contributors. www.mono-project.com
        TLS: __thread
        SIGSEGV: altstack
        Notifications: epoll
        Architecture: amd64
        Disabled: none
        Misc: softdebug
        Interpreter: yes
        LLVM: yes(610)
        Suspend: hybrid
        GC: sgen (concurrent by default)