Preferences
In general, user adjustable preferences are discussed in the context of the topic in all wiki pages.
Language
Choose the language of the user interface. It defaults to the system language when set to Default. Thirty localizations are included.
On macOS, the first matching language is chosen according to the Languages list within System Preferences → International. To change your preferred language for all applications, change the preset hierarchy.

Update
An auto update feature will alert you when a new version is available and self update the application. Choose Preferences → Update → Automatically check for updates. You can also get the latest builds by a manual download.
Snapshot Builds
Snapshot builds include the latest changes and are published regularly. These builds are not tested.

Beta Builds
Beta builds are published before a release and include the latest features and have been tested but haven’t release quality yet.