There are many like it but this one is yours. An IMP is short for 'improvement', but you can give them your own title.
The more popular your IMP is, the bigger the impact it could have. Promote it, gather the support then get the action.
The more positive people feel about an IMP, the better your idea will be received when you submit it. Think about the wording.
An IMP has a problem and a solution. A great IMP explains both so that other users know exactly what you are proposing.