Thank you for the guide, it worked flawlessly on the 1903 build. However i don't understand the use of copying the DefaultLayouts.xml file.
In my testing, backing up the registry entry was enough to...

Thank you, it sounds silly but i had to close all the explorer windows, now it works. But i also had "to start each window in a separate process" enabled - maybe that had an impact.
And for the...

Thank you this works all great, except for the Onedrive. This keeps on auto expanding whenever a folder is opened that is inside of the Onedrive Folder. (Have not tried the scripts though)
Bug or...