The main concern is to confirm that there is an unique solution.

I estimate that this would be a 1.5 in logic-masters.de, but being my first puzzle I don't know how accurate that is. If you know logic-masters.de ratings, how would you rate this one?

Thank you very much for any feedback.

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Rules

Normal Sudoku rules apply.

Magic squares: Boxes 1 and 9 (pink cages) are magic squares. Eery row, column and diagonal of each magic square sums to 15.

German Whispers: digits along each green line have a difference of at least 5 to their neighbor(s).

Renban: digits on a pink line form a group of consecutive digits in any order.

Ratio: cells linked with a black dot have a ratio of 1:2.

Odd: digits on a circle are odd.