Sort by Last Activity not working in Live Feed - Known Error

Sort by Last Activity not working in Live Feed Description In Live Feed, messages sort correctly by Created date, but not by Last Activity date.

Steps to Reproduce

Navigate to Collaboration > Live Feed .

Click the down arrow in the Search field and ensure that the selected Order Messages By setting is Created .

Post a new message, which should appear at the top.

Scroll down to an older message and comment on it.

Change the Order Messages By setting to Last Activity .

Click Search to apply the setting.

After the page reloads, note that the commented message is not shown at the top of the list where it should appear.

Workaround There is no known workaround for this issue. To receive notifications when more information is available, subscribe to this Known Error article by clicking the Subscribe button at the top right of the article. If you are able to upgrade, review the Fixed In field to determine whether any versions have a permanent fix.