A successful installation would be such that the names of the "Low-pass antialiasing filter setting" filters available to choose from, in the Darwin controller pages, changes from
Default
Darwin 1
Darwin 2
Darwin 3
Darwin 4
Darwin 5
Darwin 6
Darwin 7
Darwin 8
Darwin 9
Darwin 10
to the new names similar to those given in the article above (Default: Min-delay Fast Normal, Mean-delay Fast Late... LinPhase Slow Late, NOS non-filter, NOS 1st-order interp, Darwin Ultra). As noted, the graphics for each haven't been updated yet, that would have to wait for an actual firmware release.
Thank you Joe,
for your explanation. Therewith, I am sure the installation was successful on my RS8 and I can start focusing on the sonical impacts of your filter on the music I will listen to. I am very curious. What you have created already seems to me to be a unique distinguishing feature among daps.