Discover Data Were Mis-Classified as Video in the Search Console Performance Report
https://support.google.comGoogle has mentioned that they had an issue (around October 28th 2020) where some Discover data were mis-classified as video in the Performance report, it has now been fixed. Because of this, you may see a drop in your Discover report’s video appearance statistics. This mis-classification did not affect Discover results for users, only the data reporting.