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COROS APEX 4 (42) and APEX 4 (46) Release Notes

V 3.1608.0

May 15, 2026

  • Voice Control (Beta: Hold the Action button and use just your voice to start a run, set alarms, check the weather, and more. (English only. Expanded language and Timer support coming soon).
  • Auto Lap: In Run mode, decide if distance notifications should trigger a new lap in your data (Auto Lap), act only as a simple notification of your selected distance interval (Distance Alert), or even set laps to trigger by your position.
  • Access your control center with a quick left swipe from the main watch face screen or a press of the Action button.
  • View 3D distance data field during your hikes.
  • We've made updates to Strength training activities to help you record sessions more seamlessly.
  • Connect directly to the Wahoo KICKR Run treadmill to send data like pace, grade, cadence, and more – directly to your watch.
  • We've made improvements to elevation gain calculations during outdoor activities.

V 3.1508.0

March 31, 2026

  • Pace Strategy: Generate and customize run pacing plans with aid station stops, weather info, and on-watch guidance.
  • Hill Alerts: Real-time guidance on routes with elevation during your runs.
  • Weekly Distance: Track weekly mileage directly on-device. 
  • Passcode: Lock your device when it's off-wrist.
  • Hybrid Fitness: New activity mode added.
  • "Finish Pause": Choose if your structured workout should automatically pause when you complete its final stage, or continue tracking. 
  • Sleep Mode: Now persists until Wake Time is reached or it is exited via Control Center, and display behavior has been adjusted to reduce nighttime disturbances.

V 3.1408.0

January 30, 2026

  • Easily add Voice Training Voice Notes to your activities on your watch, directly from the activity summary screen after saving your workouts.
  • View your VO2Max on the Running Fitness widget.
  • Strength training weight editing input optimization.
  • Other bug fixes and performance optimizations.

V 3.1308.0

December 15, 2025

  • An updated and more intuitive lap screen lets you undo manual laps, view your data for longer, dismiss automatic distance laps early, and see more details during your activities.
  • Control audio playback on your phone for music, podcasts, and more. 
  • Record Voice Training Notes after an activity, automatically saved and transcribed in your activity summary (only available on watches with a microphone).
  • Move Alerts offer a gentle reminder for you to get up and stretch.
  • View the temperature daily data widget to see the temperature of your current environment.
  • Strength training activity mode optimizations.
  • Use "Resume Later" during your Run and Walk activities.

V 3.1220.0

November 27, 2025

  • Bug fixes and performance optimizations

V 3.1218.0

November 6, 2025

V 3.1218.0

  • Record your RPE (perceived exertion) and training log notes after your Run, Bike, Swim, and Strength activities via your voice.
  • Temperature widget added as a Daily Data item, displaying the real-time temperature your watch is recording and a graph of recent measurements. 

October 27, 2025

V 3.1213.0

  • Use Flashlight mode from your toolbox to help guide you in the dark.
  • View your Menstrual Cycle phase and receive reminders for predicted upcoming periods.
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