Yes, Edge does drop Compatibility Mode. You can choose to view certain sites in IE, instead
Open your IE 11 browser.
Press F12 on your keyboard to open the IE Developer Tools pane. ...
Select the Emulation tab.
Select Edge (Default) from the Document mode drop down.
Select Default from the User agent string drop down.
In the upper left corner, click thePersist Emulation Settingsicon to save your selections. A message,Persist Emulation settings enabled, is displayed when you hover over thePersist Emulation Settingsbutton.
Click theXin the upper right corner to close the Developer pane.