Forerunner 955 freezes after 22.22 update

Hi all,

I updated my Forerunner 955 to version 22.22 (DFU-6695ea) on Monday. Since then, my watch has been freezing constantly when pressing either the Light button or the Activity Start-Stop button. 

I can reproduce this issue 100% of the time: if I leave the watch inactive for 5s, then press the "Start-Stop" button, the watch will freeze for 5s before registering my intent. The same thing occurs for the "Light" button in exactly the same way. The "Down" button also seems particularly unresponsive, but less so than the others.

I have tried to "hard reset" the watch (pressing the Light button until the watch shuts down), but the problem is back as soon as the watch boots up.

Here's a video that demonstrates the problem: https://www.youtube.com/shorts/g_PY-j-fFzI 

You can see that if I press the button again within 5s, it works well, but if I wait any longer than 5s between presses, the watch will freeze.

EDIT: After a bit more testing, this happens for all buttons, provided no button was pressed in the past 5s.

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