6.3.1 what's the new feature "It’s now possible to see the whole image without constraint when using the crop tool"

[Wolfgang ([ Win10, PL+VP+FP, Nik7 / 3.3 ])]

… some ‘examples’
→ Major glitch in DxO PL 6.3.0 - #6 by Wolfgang
→ Optical corrections 6.3 - #3 by Wolfgang