Overview
Garmin has released Beta Version 21.18 for the Fenix 8 series, Enduro 3, Fenix E, and Tactix 8 watches. This incremental beta update addresses two specific issues with Messenger performance and HRV chart stability.
Update Details
- Devices: Fenix 8 Pro (47mm, 51mm, Micro LED), Fenix 8 AMOLED, Fenix 8 Solar, Enduro 3, Fenix E, Tactix 8 Solar, Tactix 8 AMOLED
- Software Version: 21.18 Beta
- Previous Beta: 21.17
- Distribution: Over-The-Air (OTA)
- Channel: Public Beta Program
What's New in Version 21.18 Beta?
Bug Fixes
- Messenger Performance: Fixed lag on long Messenger threads, improving responsiveness when scrolling through extensive conversations
- HRV Chart Crash: Fixed a potential crash when interacting with the HRV chart in health metrics
Beta Program Notes
This beta version continues to disable the following features:
- ECG functionality
- Aviation features
- Dive features
These capabilities are expected to be re-enabled in later beta versions toward the end of the quarterly cycle before becoming live updates.
Installation Instructions
For users enrolled in the Garmin Beta Program:
- Ensure your watch is connected to Wi-Fi or paired smartphone
- Navigate to System > Software Update
- The beta update should appear if you're enrolled
- Follow on-screen prompts to install
Important Notes
- Beta Software: This is pre-release software and may contain bugs
- Feature Limitations: ECG, Aviation, and Dive remain temporarily disabled
- Feedback: Report issues through the Garmin Beta Forum
About the Fenix 8 and Tactix 8 Series
Garmin's latest flagship outdoor and tactical smartwatches feature:
- AMOLED or Solar display options
- Multi-band GPS with SatIQ Max technology
- Built-in speaker and microphone
- ECG and advanced health monitoring (when enabled)
- Dive computer features (when enabled)
- 10 ATM water resistance
- Titanium construction on select models
Conclusion
Beta 21.18 is a focused maintenance update addressing Messenger and HRV chart issues. Beta testers experiencing slow Messenger performance should see improvement after this update. Non-beta users can expect these fixes in future stable releases.