I don't think this is a SU bug but for those interested Layers Organizer disables the "Redo" function in SU2020. This was discovered after hours of work setting up the Organizer Panel. 
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Layers Organizer by Thomas Hauchecorne
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Layers Organizer by Thomas Hauchecorne
For those interested Layers Organizer disables the "Redo" function in SU2020. This was discovered after hours of works setting up the Organizer Panel.