Thanks. This is a false positive report by Avast. Some antivirus software may wrongly suspect FastKeys (and similar programs) as Spyware because it processes keyboard input. Such reports are false and FastKeys is absolutely safe to use. You can check it by yourself: https://www.virustotal.com The is...

Set a shortcut (Type:Command)

Have you perhaps set the restrictions in Preferences/Text Expander? Try to reset your Preferences.

I believe there is currently no command line switch for opening Explorer with a new tab.

What's new in FastKeys 5.14: 2nd February 2024 A key new feature is the ability to switch the Selection Form view to display the full text along with the input fields. Users now have additonal flexibility in how they interact with selection forms: - view entry fields only, - entry fields with a prev...

What happens if you trigger a text expansion? What exactly is not working for you?

There is a double-click shortcut setting available when defining a shortcut - check it out.

Go to Preferences/Team and select Edit shared file button. Then right-click on the tab and select Delete from the menu.

Color and Style setting in Preferences/Start menu/More settings applies to the whole menu, main menu and submenu. If this is not the case, please contact our support for further analysis.

Nothing has changed in this regard with the last FastKeys update. I tested it in Vivaldi and everything works as expected for me. Maybe you need to check some security settings or reset the Preferences to defaults.