Thanks for your feedback. The Dashboards team continuously seeks to simplify the admin experience for managing dashboards. This is as intended. Dashboards are a bit different than most other webpages because they are specifically configured by a dashboard builder to look a certain way. So allowing end users to change the theme conflicts with the idea that a dashboard builder can build a dashboard to be viewed they way they built it. On top of that, due to the high level of customization and specific color settings, we can't guarantee that bulk theme changes will maintain readability or visual consistency across all dashboards.  ... View more