The digest function is an Angular stuff and is a well known perf issue
related to the way how Angular detects changes in UI components.
This perf issue should be fixed with Angular2, which is using native
functions for change detection:
http://blog.thoughtram.io/angular/2016/02/22/angular-2-change
Might be hard to reproduce if we need to have 1000 notes.
And its also difficult to figure it out without more informations.
I don't think there is a real short-term workaround, If the issue is from
the notebook list, then using bind-once on that list could maybe have an
impact.
Otherwise things w