Top Blu-ray Releases of 2020 

1.  CzechMate Second Run Features
2.  Cluny Brown Criterion
3.  House by the River Kino Lorber
4.  America as Seen by a Frenchman Arrow Academy
5.  Bless Their Little Hearts Milestone
6.  City without Jews Flicker Alley
7.  Vitalina Varela Second Run
8.  Le Petit Soldat Criterion
9.  Hollywoodland Kino Lorber 
10. A Bread Factory Grasshopper Films (includes 1 Blu-Ray, 1 DVD)

Top 4K UHD Releases of 2020

1. Sudden Fear Cohen Film Collection (my mistake–this was released in 2017)
2. Showboat Criterion
3. A Bread Factory Grasshopper Films (includes 1 DVD, 1 Blu-Ray)

Top Box sets of 2020 

1. Ida Lupino: Filmmaker Kino Lorber
2. The Complete Films of Agnes Varda Criterion
3. Crazy Ex-Girlfriend: The Complete Fourth Season (Warner Archive)

FAVORITE LABEL: Arrow Academy

FAVORITE Commentary of 2020 (or commentaries): Jeremy Arnold, Sudden Fear, Cohen Film Collectiomn

Best Cover Design Nominations: The Complete Films of Agnes Varda, Criterion

Favorite DVD of the Year: Beau travail, Criterion