I'd like to be able to use the 'message students who' function in the gradebook for more than a single assignment. It would be useful to be able to go to the column in the gradebook for an assignment group and use the 'message students who'. Same applies for the total grade column so teachers could after the first two weeks send out a message to all students that are under performing early enough for them to change there behavior.
So for example, I could 'message students who' are getting xx% in the assignment group of 'Homework' or 'Participation'. I could also use it with the total grade for the course reminding all students with xx% they can find help in the tutor lab.
By making the 'Message Students Who..." more robust, Canvas would bringing in some basic early alert/retention strategies as well as make some of the third party applications even better.
We have three very similar ideas, all of which are open for voting, associated with the Message Students Who... feature, and we're grouping them here to keep Canvas Studio tidy. These are the other two:
https://community.canvaslms.com/ideas/3427-message-students-who
https://community.canvaslms.com/ideas/1240-message-students-who-for-grade-totals