Dear Support, I have a problem on Firefox browser as belew: when I access the open the web remote console page on VMware vsphere web client, I input single letter but it browser would receive double letters on VMware vsphere web client. For example: if i open the VM guest by web remote console on Firefox browser to input the password - welcome123, the web remote console page will receive double or triple letter -wwweellccomme112233 on the remoting OS. Please refer to the attached screenshot for details. I tested that the problem was not existed in the Firefox version 52.xxxxxx. It would be very much appreciated if you could solve the problem in the next update Firefox version. Many thanks. K.W. Tam