We have the same issue in AC28 Build6100 on BimCloud project. All of our custom door leafs disappeared for all bimcloud project users. All those were built in AC28 with global libraries installed. Contacted Support and hopefully they will have a fix....

I have the same issue on a BIMcloud file. 2 layout sheets out of 86 are "Pre-processed" blocking the publishing of the BIMx. Tried several times. Past BIMx publishing sets were fine (with same sheets). These 2 layouts seems random, as all settings ar...