Why the standard DAX time intelligence functions might return unexpected results? Discover how DATEADD and SAMEPERIODLASTYEAR work under the hood! Read more about the "unplugged" format: www.sqlbi.com/... #unplugged
The bug around 6:30 could have been fixed by hitting the esc key. I submitted something similar a few months back (to your github) and a dev responded with the technicals of why it happens.