Setup Create a course and add a forum module Enrol some users in the course Create a few discussions with a few different users and add some replies to those discussions Subscribing to discussions One bigger changes was to move the subscription toggle out of the overflow menu and into it's own column on the discussion list page CONFIRM that clicking the subscription toggle subscribes/unsubscribes the user, if you click the toggle and then reload the page it should be in the same state (confirms the value is saved) Placeholder group image Another change was to add a placeholder image for groups that don't have an image when viewing the discussion (this brings the behaviour inline with what happens when viewing the discussion list) Set the forum to groups mode (in the settings under "common module settings" set the group mode to separate groups or visible groups) Create a group in the course but don't add a picture for it Create a second group in the course and add a picture for this one Add at least one user to each group Log in as a user in the group without the picture Create a discussion in that group CONFIRM that you see the placeholder image next to the group name in the list of discussions View the discussion CONFIRM that you see the same placeholder image next to the posts for that user inside the discussions Log in as a user in the group with the picture Create a discussion in that group CONFIRM that you see the group image next to the group name in the list of discussions View the discussion CONFIRM that you see the same group image next to the posts for that user inside the discussions Old nested view Log in as a user and view a discussion Click the displays select box and confirm that you don't seen an option for "Display replies in experimental nested form", you should see: Display replies in flat, with oldest first Display replies in flat, with newest first Display replies in threaded form Display replies in nested form CONFIRM that you can change between each of the views Set it back to "Display replies in nested form" New experimental nested view Still logged in as the same user from the "Old nested view" test View the user's forum preferences user menu (top right) > preferences > forum preferences Set "Use experimental nested discussion view" from "No" to "Yes" View a discussion CONFIRM that the view has changed to "Display replies in experimental nested form" CONFIRM that the list of options in the displays select box is: Display replies in flat, with oldest form Display replies in flat, with newest form Display replies in threaded form Display replies in experimental nested form CONFIRM that you can change between views