Collin Preston

[BUG] undoable mutation is called many times

2

**Describe the bug** When updating multiple records at the same time whose mutationMode is `undoable`, the `doMutation()` method is called multiple times leading to duplicate API calls for the dataProvider....

Course mode - admin explicitly defining upgrade deadline.

3

## Description This PR adds a checkbox for `expiration_datetime_is_explicit` to the Django Admin's CourseMode edit page. This allows Admin users to explicitly define an Upgrade Deadline date along with setting...

# Description/Context In order to allow Open Discussion users to login to Keycloak using their email and password from Open Discussions, we must first configure the Keycloak user migration plug-in...

# Description/Context All client applications configured with Keycloak should have back-channel logout enabled and supported. # Plan/Design Enabled back-channel logout for all Keycloak's client applications.