If you are on version 2.8.0, 2.8.1, 2.8.2, 2.8.3, 2.8.4, 2.8.5, 2.8.6, or 2.8.7, you should apply Patch 8 to reach the most stable version of the 2.8 branch.
: Log in to the My Esri portal. Navigate to My Organizations > Downloads to find the 2.8.8 executable. arcgis pro 2.8 patch 8 -2.8.8- download