Is MS-ONEDRIVE shared links not working correctly ?

To all,

I use MS-ONEDRIVE quite a lot by sending links to my clients to access the architectural plans etc I create for their projects. A few days ago a client e-mailed me noting he couldn't see all the folders in the link I issued to him. I then issued a new shared link to just one folder, which is open showing the content. However, the most odd behaviour, is that the menu at the top with:-

Share, Delete, Move to, Copy to, Download, Rename & Embed Version history etc

Changes when you click on more than one file to download, i.e. the menu changes to:-

Delete, Move to & Copy to

So one can't download the complete files at one time & these may be many !

This didn't happen before with MS-ONEDRIVE, so does anyone know whats going on with MS-HQ, is it another glitch that needs correcting ?