With the release of Unity 2019.4.8, Unity have just enabled a feature for all version of Unity free tier users have been requesting for years now… dark mode! All version of Unity from 2019.4 on you now have the option to enable dark or “professional mode”. To do so, simply go to Edit->Preferences… then select Editor Theme and choose Professional.
The ability to choose an Editor theme should be available in all versions of Unity from this point forward. In addition to this new feature, Unity are also running a sale on the Asset store, Discounts & Dragons. This sale contains over 200+ asset store items with a fantasy or RPG theme. You can learn more about dark theme and the new asset store sale in the video below.