As a MacOS user, I'm used to use this hot key to close a browser tab, but by default this key combination stops current Remote Desktop session immediately. As a result, trying to close a browser ta...
I found a hack to do this — I configured cmd-W to Edit > Copy instead of Close Window, but only in Remote Desktop — with a custom keyboard shortcut as described here: https://support.apple.com/guide/mac-help/keyboard-shortcuts-mchlp2262/mac
You could assign it to something other than Copy, but that seemed pretty benign to me.