[X2go-dev] Bouncing firefox plugin

We have had some complaints from clients in the last few days where they have installed a fresh copy of firefox and then the latest plugin and the login screen bounces up and down unusably. That is, the blue login area drops below the black background and then back up again.

There is apparently some known issue with the latest Firefox on sub-10" screens where this is a problem with Firefox. However, one client has experienced it on two normal sized laptops and we've not heard about the Firefox problem affecting those.

Has anyone else experienced this? Is there a fix or workaround? Thanks - John