Dev channel build 77.0.218.4 is live

Hello Insiders!  Today we released build 77.0.218.4 to the Microsoft Edge Developer channel.  We’ve got some new features, many of which you’ve seen over the past week in Canary and have been eagerly waiting for in Dev.  Additionally, we have now turned on several new languages on the insider website and added an Enterprise page with offline installer and policy samples.  We’ve also fixed quite a few reliability and behavior issues, the most significant of which include: 

New features and behavior: 

• Added more strings to the translation work
• Prevent IE-Mode in Application Guard containers
• Ability to set text size and background theme in Reading View is now under flag.
• Ability to use dark mode on downlevel Windows versions 7, 8 & 8.1
• Search box now clears content with Esc or “x” button

Fixes for improved reliability: 

• Fixed a crash on Extensions page.
• Fixed a crash in API keys
• Fixed a crash while opening PDFs
• Fix crash in Sync service
• Fix crash due to cached call in renderer
• Fix deadlock in Windows, where Microsoft Edge blocks shutdown.
• Fix crash in JSON parser

Fixes for improved behavior:

• Fix preventing URL redirection in Application Guard.
• Fix to prevent creation of database until needed (performance)
• Subpage headers display the number of search results.
• Fix to close Profile UI on sign-in
• Dev Tools support using OS theme color on Windows 10
• Fix color contrast for selected favorites
• Fixed Copy / Paste keyboard shortcuts on macOS
• Fix for z-order on history page
• Fixed transparency issue on First Run Experience
• Strengthened launching logic for PDF to specified file names and paths
• Fix to show FavIcons in Favorites management page.
• Fix for account removal in Identity
• Fix for sign-in where account pop-up was not topmost window.
• Fix for data imports from Chrome and Edge during First Run experience.