You and I answer right one kind of clue, overcome by persistence (4,4)

Great compiler’s brief self-introduction was astounding (6)

Anagram isn’t well assimilated? Not fully as yet (5,3)

What’s prior to this contribution from Ximenes (before 1000) (6)

Scrub verticals I wrecked – they’re in column on left (15)

12, separately, then together, as expression of our relationship (3,2,3,2)

See 15

Explanations for other things posted, not revealing parts of solutions (8,7)

Develop modern car with interior from one who works on things like this (6)

Ready to enter, like clues you like, including extremes of theme (8)

Obscure stuff that’s partly unfamiliar can annoy (6)

A setter I trashed keeps doing the same thing (8)

For changing pace endlessly, how like Brendan? Very playful (10)

Pros must cover this part of speech for 15 16, for instance (4)

Serves what solver wants (7)

Passionately prepares to seek answer, going down (5,1,4)

Finishes off plum Araucaria crossword puzzle as constructed (4)

Reminder from this compiler with short guide (7)

Beginnings of brutal misdirection, a trap I’ve contrived for sucker (7,3)

Put together halves of fair clue, yet had awfully regretful expression (1,3,3,3)

They provide solutions learner in second parts of test needed (7)

Journey I can take – after solving hard puzzle really quickly? (3,4)

With clue, err badly – like Torquemada, but more so (7)

Clue for King Edward? Clue fair, but oddly characterless (4)

Article which includes this old-fashioned part of crossword (4)