MySQL 8.0 will be GA soon (just my assumption:
Oracle doesn't tell me anything about its release plans) and it's
time to think about having a look at it.
If this is your first try of MySQL 8, get prepared for several impacting differences from previous versions.
In this article I won't tell you what you can do with MySQL 8: there is plenty of material about this, including in this very blog. I will instead concentrate on differences from previous versions that users need to know if they want to avoid surprises.
Let's start with an observation of the data directory.
After a standard installation, without any additional options, I see the following:
Files that I expected to see