Google says starting with Chrome 82 in April, it will gradually start blocking "mixed content downloads", which are non-HTTPS downloads started on secure pages (Joe DeBlasio/Google Online Security Blog)

Joe DeBlasio / Google Online Security Blog:
Google says starting with Chrome 82 in April, it will gradually start blocking “mixed content downloads”, which are non-HTTPS downloads started on secure pages  —  Today we're announcing that Chrome will gradually ensure that secure (HTTPS) pages only download secure files.