Georgi announced the newly implemented enhancement on November 28
. The current official Kendo UI version is 2013.3.1119
You can try the latest internal build or wait for the Q3 SP1 release, which is due in mid January. The OptionLabel will support for example...
In case you choose to check out an internal build, please note that we have identified a limitation of the OptionLabel when AutoBind() is set to false - it does not initially appear. This will be resolved for the SP1 release.
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