| ⇢ | A | DeleteRequest added | |
| ⇢ | A | DiscussionList added | |
| A | ↛ | DiscussionObserver removed |
| ⇢ | A | DiscussionList::toArray() added | |
| ⇢ | A | DeleteRequest::authorize() added | |
| ⇢ | A | DeleteRequest::rules() added | |
| ⇢ | A | DeleteRequest::failedAuthorization() added | |
| ⇢ | A | Discussion::scopeApproved() added | |
| A | ↛ | DiscussionObserver::created() removed | |
| A | ↛ | DiscussionObserver::updated() removed | |
| A | ↛ | DiscussionObserver::deleted() removed | |
| A | ↛ | DiscussionObserver::creating() removed |