is somebody using an Ultegra RD-R8000 SS Rear Derailleur with a 11-32 tooth casette? Shimano says it works for up to 30T and ceramicspeed says it works for up to 32T :
Shimano Ultegra -road Bike Bicycle Rd-r8000-ss Gs Rear Derailleur -short Cage Medium Cage- Shimano Shadow Rd 11-speed | Fruugo AE