The Bluetooh issue has not been fixed.
These are Bluetooth services of the Nokia 515 phone listed in a simple Xcode compiled application:
(previous macOS):
2022-03-20 10:47:27.549688+0100 Services test[860:104227] 1. Music-Player
2022-03-20 10:47:27.549740+0100 Services test[860:104227] 2. (null)
2022-03-20 10:47:27.549759+0100 Services test[860:104227] 3. Phonebook Access PSE
2022-03-20 10:47:27.549777+0100 Services test[860:104227] 4. SyncML Client
2022-03-20 10:47:27.549804+0100 Services test[860:104227] 5. Audio Gateway
2022-03-20 10:47:27.549836+0100 Services test[860:104227] 6. COM 1
2022-03-20 10:47:27.549863+0100 Services test[860:104227] 7. Dial-up networking
2022-03-20 10:47:27.549889+0100 Services test[860:104227] 8. OBEX Object Push
2022-03-20 10:47:27.549911+0100 Services test[860:104227] 9. (null)
2022-03-20 10:47:27.549933+0100 Services test[860:104227] 10. Media Player
2022-03-20 10:47:27.549947+0100 Services test[860:104227] 11. (null)
2022-03-20 10:47:27.549960+0100 Services test[860:104227] 12. (null)
2022-03-20 10:47:27.549975+0100 Services test[860:104227] 13. Nokia SyncML Server
2022-03-20 10:47:27.549989+0100 Services test[860:104227] 14. (null)
2022-03-20 10:47:27.550004+0100 Services test[860:104227] 15. Voice Gateway
2022-03-20 10:47:27.579530+0100 Services test[860:104227] 16. Nokia PC Suite
2022-03-20 10:47:27.579576+0100 Services test[860:104227] 17. OBEX File Transfer
2022-03-20 10:47:27.579604+0100 Services test[860:104227] 18. MTP Responder
2022-03-20 10:47:27.579626+0100 Services test[860:104227] 19. Media Player
And these are Bluetooth services of the same phone listed in the same application on the latest macOS Monterey 12.3:
2022-03-20 10:49:58.852071+0100 Services test[2394:95198] 1. SyncML Client
2022-03-20 10:49:58.852119+0100 Services test[2394:95198] 2. Nokia SyncML Server
2022-03-20 10:49:58.852145+0100 Services test[2394:95198] 3. Media Player
2022-03-20 10:49:58.852168+0100 Services test[2394:95198] 4. (null)
2022-03-20 10:49:58.852188+0100 Services test[2394:95198] 5. (null)
2022-03-20 10:49:58.852209+0100 Services test[2394:95198] 6. COM 1
2022-03-20 10:49:58.852229+0100 Services test[2394:95198] 7. Phonebook Access PSE
2022-03-20 10:49:58.852248+0100 Services test[2394:95198] 8. (null)
2022-03-20 10:49:58.852267+0100 Services test[2394:95198] 9. Audio Gateway
2022-03-20 10:49:58.852286+0100 Services test[2394:95198] 10. MTP Responder
2022-03-20 10:49:58.852305+0100 Services test[2394:95198] 11. Music-Player
2022-03-20 10:49:58.852324+0100 Services test[2394:95198] 12. (null)
2022-03-20 10:49:58.852343+0100 Services test[2394:95198] 13. Audio Gateway
2022-03-20 10:49:58.852361+0100 Services test[2394:95198] 14. OBEX File Transfer
2022-03-20 10:49:58.852385+0100 Services test[2394:95198] 15. Media Player
2022-03-20 10:49:58.852601+0100 Services test[2394:95198] 16. Voice Gateway
2022-03-20 10:49:58.852670+0100 Services test[2394:95198] 17. (null)
2022-03-20 10:49:58.852732+0100 Services test[2394:95198] 18. Media Player
2022-03-20 10:49:58.852796+0100 Services test[2394:95198] 19. OBEX Object Push
2022-03-20 10:49:58.852852+0100 Services test[2394:95198] 20. (null)
2022-03-20 10:49:58.852914+0100 Services test[2394:95198] 21. Dial-up networking
2022-03-20 10:49:58.852971+0100 Services test[2394:95198] 22. (null)
The phone's "Nokia PC Suite" Bluetooh service is not present on the macOS 12.3, this is a serious bug. The "Nokia PC Suite" Bluetooh service is the service which I need.