Hi. It seems that this "my.ini" file is no longer overwritten, for what I can see (On 12.5 and Onyx)
However, the very last question relates to Plesk Obsidian :
"In Which "MY.INI" file" do we need to set our parameters in Plesk Obsidian ?"
C:\Program Files (x86)\Plesk\Databases\MySQL\my.ini...