After installation of latest MySQL Workbench downloaded directly from the MySQL site an warning is raised during the start of the application:
unsupported operating system
The text is:
Unsupported Operating System
You are running Workbench on an unsupported operating system. While it
may work for you just fine, it wasn't designed to run on your platform.
Please keep this in mind if you run into problems.
The list of supported systems can be found here: Supported Platforms: MySQL Workbench
This is the list of the supported OS by MySQL workbench 8:
|Oracle Linux 7 / Red Hat Enterprise Linux 7 / CentOS 7||x86_64||•|
|Ubuntu 18.04 LTS||x86_64||•|
|Windows Server 2016||x86_64||•|
|Generic Linux (tar format)||x86_32, x86_64, glibc 2.12, libstdc++ 4.4||•|
|Fedora Yum Repo||•|
Linux Mint is not presented but so far not problems are found. So you can work fine using Linux Mint 19 and MySQL workbench 8. In order to mute the message just press: Don't show this message again.