For running J!5.1 you must https://fabrikar.com/forums/index.php?wiki/update-from-github/ or include the new file manually https://fabrikar.com/forums/index.php?threads/joomla-5-1-and-fabrik-cannot-find-files-error.54473/post-285151 See also Announcements
See Announcement
Please post subscription issues here
We have resolved the issue with the J! updater and this will be fixed in the next release.
It's working fine for me.
Did you set all options in
http://www.fabrikar.com/forums/index.php?account/preferences
http://www.fabrikar.com/forums/index.php?account/alert-preferences
I got an "Alert" but no email although my preferences are "and receive email notifications of replies"