Situation 1: Connect from Linux TV 14.0.14470 to OSX 14.0.13880. On remote machine Run Virtualbox, inside Virtualbox, the keys are incorrectly mapped (e.g. not working Enter key). Wrong mappings are also if one runs just Terminal on the remote OSX eg. "t is translated as "'t.
Situation 2: Connect from Windows 10 TV latest as of this post to the same OSX. On remote machine Run Virtualbox, inside virtualbox, the keys are mapped correctly (Enter works etc.). Also Terminal on OSX has correct key bindings.
This suggest that the issue is not relevant directly to Virtualbox but rather Teamviewer on Linux. It would be great to finally get a working TV for Linux and not still some Alpha preview version. Really, if the developers are unable to provide full functional TV for Linux at least make those functions that you implement work properly.
Same problem here for months : Enter, backspace and Tab keys don't work on a Linux controlling a OS/X. Also Control key is not sent nor numbers. For numbers I have to mitigate : with some computers (OS/X), I can type the numbers on the Number pad. But I can NEVER use shift+top row to get numbers.