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[Firmware ChangeLog]: What's New in 31.28 Beta | Edge MTB

garminchangelogfirmware-updateedge-mtbbeta

Overview

Garmin has released Public Beta 31.28 at 100% rollout for the Edge MTB mountain bike computer. This cumulative beta addresses a critical boot-looping issue with 2026.10 maps, fixes post-ride Gear Tracking behavior, resolves Basecamp connectivity, and prevents crashes when riding with Shimano eBikes.

Update Details

  • Device: Garmin Edge MTB
  • Software Version: 31.28 Beta
  • Release Date: May 16, 2026
  • Channel: Public Beta Program
  • Rollout Status: 100% rollout
  • Installation Path: Main Menu > System > About > Check For Updates
  • Source: Garmin Forums

What's New in Version 31.28 Beta?

Bug Fixes (31.28)

  1. Boot-loop fix for 2026.10 maps: Fixed a potential boot-looping issue caused by 2026.10 map files
  2. Gear Tracking selection: Fixed post-ride Gear Tracking so the correct item remains selected and visible after changing gear
  3. Basecamp connectivity: Fixed an issue with Basecamp device communication
  4. Shimano eBike crash: Fixed crash when riding with Shimano eBike systems
  5. Timer overlay alignment: Fixed label alignment on the timer overlay
  6. Battery icon: Fixed battery icon display on the status bar page

Previous Changes in This Branch

This is a cumulative release. Key changes from earlier 31.xx betas include:

  • 31.23: Added Bosch smart system eBike support; fixed speed graphical data field, inReach mini 2 remote widget contacts, and workout schedule showing only rest days
  • 31.22: Fixed shifter button actions for configurations with more than 4 buttons, map data field locked to track up, and ClimbPro remaining climb distance on edit page
  • 31.21: Fixed Daily Suggested Workouts appearing when toggled off; fixed Stamina Distance/Duration
  • 31.20: Fixed multiple crashes (RTS data screen editing, course list), Connect IQ UI lag, step goal changes, elevation profile scaling, and weather widget dew point/UV-index
  • 31.18: Fixed translation issue adding "Day" to date strings
  • 31.15: Added gear tracking improvements; fixed radar dark mode, flat roads giving climb credit, auto zoom during course navigation, Strava widget freezing, ClimbPro grade/position, and shifter time-in-gear summaries

Installation Instructions

  1. Enroll in the Garmin Public Beta Program
  2. Add a Wi-Fi network to your Edge MTB device
  3. Navigate to Main Menu > System > About > Check For Updates
  4. If needed, scroll up and select Software Update 31.28 to install

If the device shows "Collecting diagnostics...", go to:

  • Menu > System > Diagnostics > Upload RAM Dump

Important Notes

  • Beta Software: This is pre-release software and may contain bugs
  • Cumulative Release: 31.28 includes all fixes from 31.15 through 31.23
  • Map Compatibility: The boot-loop fix is particularly important for users with 2026.10 map files installed
  • Feedback: Report issues through the Garmin Beta Bug Reports forum

Conclusion

Beta 31.28 is a significant cumulative update for the Edge MTB. The boot-loop fix for 2026.10 maps addresses a critical stability issue, while Gear Tracking, Basecamp, and Shimano eBike fixes improve everyday ride data accuracy and device reliability. Beta testers should install this update to benefit from the full set of 31.xx branch improvements.