Version 11.7 introduced fully interactive previews that allow you to isolate subjects (like a sky or a flower) directly on the orange preview layer before applying the mask.
The latest versions (v11.0 through v11.8) focus on advanced HDR support and automation: Download File Gregbenz Photography - Lumenzia v...
Relaunch Photoshop. Find the panel under Plugins > Lumenzia . For Older Versions (CS6 to CC 2021) Version 11