Cryptic crossword No 2,184

Across

1. Candy rocks with zero calories on the counter (4)
2. I say the letters in the word out loud: "S-L-E-E-T" (3,6)
3. - (2)
4. - (2)
5. - (2)
6. - (2)
7. Twelve countries cope with leadership being fully demoted? (4)
8. Travelling a real nice route in New York (4,5)
9. Made fresh mutton to be eaten by butcher? (7)
10. Solver: Please delete the last letter of a word for "support staff" (7)
11. - (2)
12. What Cruella De Vil does the wrong way to get a boost? (4,5)
13. Group had taken off from helipad, going west (4)
14. I have additional questions about the way the murder was committed--to leap most of the way across one rock to reach another on a stormy night? [Oops, actually, this is a (4,3,4,5), ugh] (7,4,5)
15. Mac tech who reconfigured, creating a mysterious inversion? (10)
16. Another brand's commercial with petit fours oddly being eaten (10)
17. Note possibly passed through cracked door (4)
18. King born in France offers joint (4)
19. It doesn't crack under pressure when peak force is redistributed (5,4)
20. - (2)
21. Pair of delinquents in train car, staying on the lot (5-2)
22. Christmas leader and Rabbi uphold making merry (7)
23. Made an error in rent, just after the end of August (7,2)
24. Creator of The Prince of Persia, cycling? (4)
25. - (2)
26. - (2)
27. - (2)
28. - (2)
29. Guests might stay here during boring holy month? (6,3)
30. Pistols ricocheted for men (4)

Down

1. Project with tasks being rearranged into less formal threads (6,6)
2. Oscar writes one ultimately identical password (4,6)
3. Getting to find another place to sit in the auditorium (7)
4. One detective's last seen wearing something like a fedora, dig? (1,4,4)
5. Comedian is mostly a B-performer? (4)
6. Blow back about recreational course (7)
7. Dolphin's sonic reverberation (4)
8. Baller Jeremy at University of California gains experience building an open-source computer (5,2)
9. Test from yesterday morning? (4)
10. - (2)
11. - (2)
12. - (2)
13. See 30a
14. - (2)
15. - (2)
16. Stem from center of root carrying moisture (3,2)
17. Spoiled tuna turned... the one before it was great! (1,3,1,5)
18. - (2)
19. Collectively decide to pursue a discount opportunity getting cheese essentially in exchange for nothing (5,4)
20. - (2)
21. Rinse epiderm daily (3,4)
22. I search eastern Massachusetts for a neighborhood featured in elevator music (7)
23. - (2)
24. Some bistros' food is retro in a way (2,5)
25. - (2)
26. - (2)
27. Live next to a field (4)
28. - (2)
29. Device is in stock, launching first of December (4)
30. Breakdown in text communications – are you at home? (4)
31. - (2)