Spell check not working correctly in the Attributes panel

[loweskid]

When entering text into the Attributes panel the Spell Checker correctly identifies miss-spelt words.  I right-click on the word and it gives me a list of options, so I click on the correctly spelt word but then nothing happens - it doesn't enter the correct word.

It works correctly in other panels though, e.g. keywords and metadata

[Mario]

This has been resolved for the next release.
It only fails when experimental features are enabled.