| December 23 | |
| Garmin has posted Fenix 8 Pro/Fenix 8 AMOLED/Fenix 8 Solar/Enduro 3/Fenix E/Tactix 8 Solar/Tactix 8 AMOLED software version 21.12 Beta. | |
| Garmin has posted Forerunner 970 software version 16.11 Beta. | |
| Garmin has posted Forerunner 570 software version 16.11 Beta. | |
| Garmin has posted Venu X1 software version 16.11 Beta. | |
| Garmin has posted vivoactive 6 software version 16.11 Beta. | |
| Garmin has posted Venu 4 software version 16.11 Beta. | |
| Garmin has posted Montana 700i/750i software version 24.20. | |
| December 20 | |
| Garmin has posted Edge 550/850/1050 software version 30.11 Beta. | |
| Garmin has posted Edge 540/840/1040 software version 30.11 Beta. | |
| Garmin has posted Edge MTB software version 30.11 Beta. | |
| December 19 | |
| Garmin has posted GDL 5x software version 2.30. | |
| December 18 | |
| Garmin has posted Instinct 3 AMOLED/Instinct 3 Solar/Instinct Crossover AMOLED/Instinct E software version 13.08 Beta. | |
| December 16 | |
| Garmin has posted Fenix 7/Fenix 7 Pro, Epix 2/Epix 2 Pro, Enduro 2, Quatix 7, and MARQ Gen 2 software version 25.03 Beta. | |
| December 13 | |
| Hammerhead has posted Karoo Software Version 1.600.2303. | |
| Polar has posted Flow app version 6.34.1 for Android. | |
| December 12 | |
| Garmin has posted Forerunner 965 software version 27.05 Beta. | |
| Garmin has posted Forerunner 265 software version 27.05 Beta. | |
| Garmin has posted Forerunner 165 software version 27.05 Beta. | |
| Garmin has posted Forerunner 955 Series software version 27.05 Beta. | |
| Garmin has posted Forerunner 255 Series software version 27.05 Beta. | |
| Polar has posted Flow app version 6.34.0 for iOS. | |
| Polar has posted Flow app version 6.34.0 for Android. | |
| Polar has posted Loop - 4.0.7 firmware update. | |
| Polar has posted Verity Sense version 3.0.15. | |
| December 11 | |
| Wahoo has posted ELEMNT ACE WG77-301861. | |
| Wahoo has posted ELEMNT BOLT v3 WI55-301861. | |
| Wahoo has posted ELEMNT ROAM v3 WH49-301861. | |
| Garmin has posted Venu X1 software version 15.33. | |
| Garmin has posted vivoactive 6 software version 15.33. | |
| Garmin has posted Bounce 2 software version 5.12. | |
| December 10 | |
| Garmin has posted Fenix 8/Fenix 8 Pro/MicroLED software version 20.24. | |
| Garmin has posted Fenix E software version 20.24. | |
| Garmin has posted Enduro 3 software version 20.24. | |
| Garmin has posted Tactix 8 software version 20.24. | |
| Garmin has posted Forerunner 970 software version 15.33. | |
| Garmin has posted Forerunner 570 software version 15.33. | |
| Garmin has posted Fenix 7/Tactix 7 software version 23.48. | |
| Garmin has posted Epix 2 software version 23.48. | |
| Garmin has posted Enduro 2 software version 23.48. | |
| Garmin has posted MARQ Gen 2 software version 23.48. | |
| Garmin has posted Instinct 3 AMOLED/Instinct 3 Solar software version 12.23. | |
| Garmin has posted Instinct E software version 12.23. | |
| Garmin has posted Montana 700i/750i software version 24.10. | |
| December 09 | |
| Garmin has posted Forerunner 970 software version 15.33 Beta. | |
| Garmin has posted Forerunner 570 software version 15.33 Beta. | |
| December 06 | |
| Garmin has posted Fenix 8 Pro/Fenix 8 AMOLED/Fenix 8 Solar/Enduro 3/Fenix E/Tactix 8 Solar/Tactix 8 AMOLED software version 20.23 Beta. | |
| December 05 | |
| Garmin has posted Fenix 7/Fenix 7 Pro, Epix 2/Epix 2 Pro, Enduro 2, Quatix 7, and MARQ Gen 2 software version 23.48 Beta. | |
| Polar has posted H9 firmware update 2.1.10. | |
| Polar has posted H10 firmware update 4.1.10. | |
| Polar has posted H9 firmware update 2.0.4. | |
| Polar has posted H10 firmware update 4.0.4. | |
| December 04 | |
| Garmin has posted Forerunner 970 software version 15.30 Beta. | |
| Garmin has posted Forerunner 570 software version 15.31 Beta. | |
| Garmin has posted Instinct 3 AMOLED/Instinct 3 Solar/Instinct Crossover AMOLED/Instinct E software version 12.23 Beta. | |
| December 03 | |
| Garmin has posted Fenix 8 Pro/Fenix 8 AMOLED/Fenix 8 Solar/Enduro 3/Fenix E/Tactix 8 Solar/Tactix 8 AMOLED software version 20.20 Beta. | |
| Garmin has posted Venu X1 software version 15.31 Beta. | |
| Garmin has posted vivoactive 6 software version 15.31 Beta. | |
| Garmin has posted Venu 4 software version 15.30 Beta. | |
| Garmin has posted Venu 3/3S software version 17.02 Beta. | |
| Garmin has posted vivoactive 5 software version 17.02 Beta. | |
| Garmin has announced the inReach Mini 3 and inReach Mini 3 Plus. | |
| Garmin has announced the DriveTrack 72. | |
| December 02 | |
| Garmin has posted Instinct 2s/2/2X/Crossover software version 17.08. | |
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Comments, complaints, etc.... Allory Deiss.
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