==== RULES ====
Normal Sudoku rules apply : fill the grid with digits 1 to 9 appearing each exactly once in every row, column and 3x3 box.
German Whispers : Adjacent cells along green lines must contain digits with a difference of at least 5.
Renbans : Purple lines must contain a set of consecutive, non-repeating digits.
Quadruples : Cells surrounding white circles must contain each of the indicated digits at least once.
X marks : Cells separated by an X must contain digits summing to 10.
Kropki Pairs : Digits in cells separated by a black dot are in a ratio of 1:2.
No negative constraint apply !
==== ACKNOWLEDGEMENTS ====
Thanks to @cornish-john , @PrimeWeasel and @XeonRisq for testing !
Solution code: Digits from Row 1 and then Row 9 (from left to right). 18 digits in total, no space character.
on 10. January 2022, 19:24 by Calvinball
Are the dots Kropki or cosmetic?
@Calvinball : sorry, I forgot to add the kropki rules. Black dots are indeed standard kropki dots. That's what I get for mixing that many variants... Rules and links updated, my apologies !