A Puzzle Switching About

1234567891011121314151617181920212223242526272829
Across
  1. 3. Identity provider, in a way
  2. 5. Personal homonym of a common notation format
  3. 8. Oldest age of switching (for now)
  4. 12. Arcade currency
  5. 14. Transforming health care for whom?
  6. 15. Where some assets are managed
  7. 17. Creator of the initial pd-family-account-management channel
  8. 18. _____ screen
  9. 19. Switching synonym
  10. 21. Plural of a certain mascot
  11. 23. Men of exciting leaves
  12. 25. Banned since 2016 for kids under 10
  13. 29. 1/3 of a triad
Down
  1. 1. Would he rather be Rather?
  2. 2. Rooney or Belding
  3. 4. subject:object::principal:_____
  4. 6. Representational state transfer, in short
  5. 7. B
  6. 9. Vendor we left in the dust, June 2022
  7. 10. Part of Nevada's capital
  8. 11. Ancients originally used this as a placeholder
  9. 13. Second word in our private shared channel for this project
  10. 16. If he engineered home runs, could be known as "Arot"
  11. 20. 1993 movie about switching
  12. 22. CD-___
  13. 23. Esteemed K&F alum
  14. 24. Dependent minor
  15. 26. Completer of KF-255
  16. 27. Palindromic person, sometimes
  17. 28. Newest K&F member