If you are using the action-based extension points, then you may want to specify
either a definitionId
or a non-empty label
. If you
don't do this, then in the "Uncategorized" category, there may be commands
called "Legacy Action With No Label". They will appear in the keys preference
page. A warning will be printed to the log.
In 3.2, all actions are converted into commands when parsing the registry. As such, actions without a definition id have a command generated for them. This command needs a label, which is typically drawn from the label on the action. In the case of actions appearing in the tool bar, sometimes neither a definition id nor a label were specified.