Brainiac worms 6 - End of the weekly crossword era.

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Across
  1. 5. Most important part of the subathon.(7)
  2. 7. Descending, wearing a polo (5)
  3. 9. Better mute 'Jack Mehoff' when encircled by Spanish privateers. (5)
  4. 10. Please, Ensure Bot & Chum Are Kontrolled (to avoid voting malfunction). (4,5)
  5. 15. These are a few of his favorite things. Drag and pull. (10,3,6)
  6. 19. Behavioral modification technique. Chat to use redeemable points to manage streamer behaviour. (5,7)
  7. 20. He who peeps loudly, peeps poorly, (6)
  8. 21. hJune belittles suggested time and date to meet with the boy failure. (14)
Down
  1. 1. Arc Raiders time capsule is sequestered from view. (5,6)
  2. 2. Move over ZChumSecret (4,3,4)
  3. 3. Did he pay for that subathon crockery? He didn't. (5,6)
  4. 4. Log, report, scribe, note. (5,4,4)
  5. 6. hJune gives speech to manage stress and anxiety weighing on ZChum, while controlling flow of air. (9)
  6. 8. Covered in it, shrouded in it, as the story climaxes. (3,5)
  7. 11. Phenomenal way to start to start zombie survival run? A little AC/DayZ (13)
  8. 12. Screaming opponent boxes your lights out. (9)
  9. 13. Non-traditional approach to preparing for a sponsored stream. (3,4)
  10. 14. What does chat want? (4,7)
  11. 16. Liquids and tech does not mix well. (4)
  12. 17. Mr Peeper muscles in on the cake serving business. (7,7)
  13. 18. Mechanical bull inspiration is the leading cause of subathon cervical examinations.(9,3)