Just outstanding (3)

I believe the answer is:

due

I believe this clue is a double definition.

'just' is the first definition.
(thesaurus)

'outstanding' is the second definition.
(thesaurus)

(Other definitions for due that I've seen before include "Rightful" , "Expected at any moment" , "Owed, or payable immediately" , "Owing, unpaid" , "Unpaid or expected" .)

I've seen this clue in the Evening Standard.

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