So, I´ve just reinstalled Windows 10 and the Edge Dev font is very blurry sometimes, and some elements that should be transparent have a black border. Everythinf sharp and fine in other applications.
Edge Dev Version: 87.0.637.0
Windows 10 Version: Insider Preview, Dev Build: 20215.1000
Screenshots are attached.
Black border around elements:
Sometimes If I mouse over the blurry text it get´s sharp…