Google has made two MAJOR changes in their Search Console over the past 24 hours. Most significantly, the index coverage report now uses mobile-first indexing data when available.
Meanwhile, Google has also reported that they are replacing the old Google Search Console reports when similar reports can be found in the new Google Search Console.
Similar source: https://searchengineland.com/google-search-console-updates-index-coverage-report-for-mobile-first-indexing-warns-about-replacing-old-reports-308623
