Microsoft has released Chromium-based Edge Dev Build 77.197.1 for Windows with a number of improvements and fixes. The latest release brings refined dark mode support to settings, history, downloads, favorites, apps, and other pages. Microsoft has also enabled multi-language support and you can now use the browser in your native language. You can update Microsoft Edge from Settings > About or download it manually from Microsoft’s website. The browser is now available to download from the end of the day.
Source: https://www.bleepingcomputer.com/news/microsoft/new-microsoft-edge-dev-update-adds-dark-mode-improvements/