I recently installed NextCloud 17 locally on my 918+. So far I'm very happy with it except it doesn't come with full text search out of the box.
One needs to install a few NextCloud apps (easy enough) plus a Search Platform (Elastic Search is recommended).
Installing Elastic Search on my DS...
Reported to SynoSuport:
Im logged to the DSM with admin privilegies.
When I search for som econtant and then trying to open the file by downloading it, the Universal Search always shows messsage:
Sorry, this user account has not been assigned proper privileges to perform this action.
For quick search you can use the Quick Search field on the forum front page:
It's quick, but it searches only for newest threads and thread titles only (not post content(!); limit is 10 latest threads to show). If you haven't found what you're looking for, you can click the button Advanced...