What specific programmes are you seeing download speed issues with?
The changes to the Player haven't caused the slowdown - that aspect hasn't changed. The new Player features some stability fixes, plus it now fully supports both Windows 10 and current releases of OSX (Mac support has been missing for several years).
By the way, they didn't drop support for Chrome and Edge - Google removed support for Silverlight and Edge never supported it to begin with.
The changes to the Player haven't caused the slowdown - that aspect hasn't changed. The new Player features some stability fixes, plus it now fully supports both Windows 10 and current releases of OSX (Mac support has been missing for several years).
By the way, they didn't drop support for Chrome and Edge - Google removed support for Silverlight and Edge never supported it to begin with.