Changes

Backward incompatible changes

Removed notification widget and toast template tags: the template
tags "notification_widget" and "notification_toast" have been
removed and their HTML is added directly to the admin/base_site.html
template
Changed the API URL prefix to make it consistent with other OpenWISP
modules

Restyled widget to new OpenWISP theme plus various UI fixes and
improvements
Restyled notification email template
When clicking on the mark as read button, the notification widget
now instantaneously marks notification as read instead of waiting
for the API response
Added models parameter to register_notification_type
Switch to openwisp-utils email template
Optimized query for flagging all notification as read via API
Added celery time limits to tasks except delete_old_notifications
(which may take a long time to finish in big installations)
Changed wording of "unsubscribe" button, which has been renamed to
"Silence notifications"
Added dedicated channel layer group for each user to avoid
generating warnings like
63 of 67 channels over capacity in group ow_notification

Fixed a bug which caused to lose notification preferences of users
Fixed extensibility of openwisp-users: removed openwisp-users as a
direct dependency from migrations file because it was creating
issues when extending openwisp-users
Fixed multiple jquery inclusions in base_site.html
Fixed WSS connection error when running on http
Fixed creation of notification settings for superuser
Fixed unregistered notification type breaking API
Fixed closing notification toast on slow connections
Fixed notification storms: when many notifications are created due
to severe network outages, the UI is not flooded anymore
Fixed browsable API view for NotificationReadAllView
Added error handling for sending emails when notification settings
for a specific user are not present
Fixed unsubscribe / silence notifications button alignment
Fixed Swagger API doc issues
Fixed create_notification command to honor organization
notification preferences