Hi Nick,
All combinations of disable cache sadly made no difference with my 1.2
disable-bitmap-caching true
disable-offscreen-caching true
disable-glyph-caching true

Cursor keeps turning to Black square on arrow key down.  Adrian


From: Nick Couchman [mailto:[email protected]]
Sent: 31 January 2021 21:57
To: [email protected]
Subject: Re: RDP Black Square cursor QT Creator

On Sat, Jan 30, 2021 at 5:29 PM Adrian Owen 
<[email protected]<mailto:[email protected]>> wrote:

Hi, Guacamole 1.2 RDP Session->2019 Server.



Visual Studio      – OK

QT Creator (freeware)   – PROBLEM

       On arrow key, cursor becomes Black square ?



My suggestion would be to try various combinations of performance options to 
see if one or more of them result in the expected behavior. In particular, the 
Glyph Cache has been the subject of recent discussion, both here and with 
FreeRDP, in general, as the FreeRDP team considers it unreliable. This causes 
disconnects in certain versions of Windows, but I wouldn't be shocked if it 
causes issues like the one you're seeing. We've already introduced a change in 
the git code to forcibly disable it, but version 1.2 won't include this change, 
so you can try using the connection parameter to disable it. You might try the 
same with the other caching options if that doesn't work.

-Nick

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