UpDraft using older version of Guzzle – causing conflict

Hi
Just adding my tuppence worth re the Guzzle issue. I’ve had a conflict today with GSheet Connector plugin on a couple of sites (this links to Google Sheets for form output). Basically it wouldn’t allow me to connect to my Google account to use Google Sheets. Speaking with their support they have suggested that “it may happen if they might be using older version of the GuzzleHTTP version”. I’ve got log files if you’re interested. I’ve tried your fix of uploading a new class-updraftplus.php file mentioned here (https://updraftplus.com/forums/topic/guzzlehtml-error-following-upgrade/) but this did not remedy the issue for me. I’ve currently got UpDraft deactivated on these sites awaiting an update.
Regards
Paul