@Marie I have tried reworking @Andreas_S file in PureRAW and in Photolab 5. Here are the results: Leftmost is original RW2 file, center is PL5 DNG and rightmost is PR2 DNG, the latter two with Deep Prime NR applied and exported, as viewed in Faststone IV 7.5 at 700% magnification.
I can clearly see the halo Andreas describes in the PL5 version. For the PL5 version I reduced Global sharpness to -0.50 and the PR2 version is with GS set to on, which I believe is equivalent to GS at 1.00 in PL5.
The PL5 version is clearly sharper than the PR2 version even with GS set to -.50 in PL5 and on in PR2. Andreas’s work was in PR2 and the halo is clearly visible whereas my PR2 version shows no such halo. All corrections in my PL5 version(other than GS) were identical to the corrections made in PR2 and no other corrections were made. What is the problem here?