Hi @Pstork1, these are my Active preview and beta functionalities, I mean, all these are Set On.
Note, I 've translated them by myself from italian, because even if my PC's main language setting is en-US, powerapps web and the W10 app still both work with italian language, for some reason....
PREVIEW FUNCTIONALITIES
Delayed loading
Use OnStart rule non lockable
Select explicit column
Improved rendering (final validation)
Advanced SaveData and LoadData functions
Optimization of the control property
Relationship data, set of options and other CDS functionalities
Concurrent function more reliable
EXPERIMENTAL FUNCTIONALITIES
Formula level errors management
Use longer cache's timeout and update in background
Test the Advanced Group control
Web Barcode scanner
Components
Activate view of the results in the formula bar
Hope it helps