Changed
- When a non-text field is not required, and the user does not provide
a value, the variable will be set to `None`.
- Required field markers show differently in some contexts.
- Additional log messages for Google Drive.
Added
- New Debian dependencies `ttf-mscorefonts-installer`,
`fonts-ebgaramond-extra`, `ttf-liberation`, and `fonts-liberation`
in Docker.
Fixed
- Problems with Google Drive initial set-up.