This week several of my morning commutes failed to sync with Connect and Explore. They didn't show up in the webapp either. I see them in the history on my Fenix 8 AMOLED 47 mm.
I saw some people mentioning something similar in these forums, but they indicated being part of a challenge. I've never participated in one.
All missing commutes were Saved via the watch after the activity concluded.
I've included pics of the watch from "Start button > History > Second page" and a screenshot of Connect at "Start page > Activities > Cycling > 7d".
"Today" is May 29th. Wednesday was May 27th and Tuesday was May 26th.
Connect version 5.25.
Explore version 4.14.1.
Watch FW: 22.35 (and one version prior, since it updated within the last 48 hours).
Manually syncing from the app or watch has no effect.