: Moving to v11 requires a catalog upgrade . It creates a copy of your library (e.g., Lightroom-v11.lrcat ) to ensure your older catalog remains safe.
: To install 11.5, open the Creative Cloud desktop app and click "Update" next to Lightroom Classic. If the update is stuck, try restarting your system and closing any hidden Lightroom processes in the Task Manager or Activity Monitor. Adobe Lightroom Classic v11.5
: Adobe raised the minimum GPU performance for this version. If your graphics card benchmarks below 2000 Avg. Ops per Second , you may experience slowdowns or compatibility reports. : Moving to v11 requires a catalog upgrade