Hi Brice,
Sorry about the
inconvenience caused.
We are able
to reproduce the reproduce the issue reported with Ribbon control. This is an
already known issue and we have logged issue report and working on it. In order
to get fix, please contact us at Syncfusion
Support or you may also open
a support ticket by login in to direct
trac account and mention this
forum link for reference.
Kindly let us know if
you have further queries.
Regards,
Ezhil S