Known Bugs 5.1
Ring Light needs to be inside ring camera. Not the other way. - Projected update 5/5/2016
Ring Light has an issue which causes it not to work when scene scale is changed. - Projected update 5/5/2016
CYC plugin layers not hidden - Projected update 5/5/2016
CYC curve needs to be adjusted - Projected update 5/5/2016
Fixed in 5.1
Broken Textures in Spotlight Gobos due to plugin rename. - Fixed 5/5/2016
Spotlight Icon is incorrect - Fixed 5/5/2016