Simon's Bowtie
Normal sudoku rules apply: fill each row, column, and 3x3 box with the digits 1-9 once each.
No two cells which share an edge may contain digits adding to 5 or 10.
Along a thermometer, digits must increase from the bulb end.
Digits in a cage may not repeat, and they must sum to the given total.
Digits in the green bowtie shape celebrate 600,000 Cracking the Cryptic subscribers, in that the digits appearing in that area multiply to 600,000.
Solution code: Column 8