I had some problems with deleted files STAYING deleted, so I took a deep breath and updated Greyhole to 0.9.16
(Actually all my files are backed up on a second Amahi machine, so I was covered that way

** Disclaimer, upgrade at your own risk! **
Initially, I lost ALL my shares, (lite sweat encountered) but a quick gaggle suggested I try to install it again. My shares returned, the system works and my initial problem went away.
OK so far, no issues encountered.
I know Amahi doesn't recommend upgrading unless they reckon its OK to do so, but I wondered if users could post any difficulties with later GH versions ?
Cheers.