Version 0.5.53 (June 3, 2021)

Frontend

• Make widescreen view the default for all users (#3580)

Backend

• Add a license to ratarmount code (#3578)
• Fix zip file upload by disabling StreamingZipFile (#3587)

Dev / docs / CI

• Continuously build default-cpu and default-gpu dockerfiles (#3539)

Dependency upgrades

• Bump urllib3 from 1.26.4 to 1.26.5
• Bump markdown2 from 2.3.10 to 2.4.0