Canno't Remove the function on Panel

Hello guys how are you?
Recently i did an upgrade to Grafana 6.4, after this when we create a dash or edit one, in “funcions” after add one, i cant remove. the little “x” in the button disappeared.

image

the point of mouse in printsrc dosen’t apperss.

Grafana v6.4.2 (443a0ba)

Updated:
grafana.x86_64 0:6.4.3-1

but the problem remains

Updating : grafana-6.4.4-1.x86_64

still not solved

=\

If you are using the Zabbix Plugin, this seems to be a problem on the plugin side. It has been fixed by now, but the new version (3.11) has not been released yet.

Hello,

Do you when it wll be released ?

Best regards