I have Syncthing 1.27.6 on Android 13. Hitherto I had had the Android battery policy of ‘unrestricted’ set for Syncthing. I changed the policy to ‘optimized’. The result seems to be that Syncthing used 17.6% of the battery since the last charge - which is much more (some 10% more) than previously.
Is this a bug? A known problem that should be in the release notes of synthing-for-android? A co-incidence? (I do not think though that I made Syncthing sync a lot of data during the period at issue.)
Except, ah: when I opened Syncthing just now, it prompted me to let it set battery settings. After I concurred, I looked back at Android’s battery page for Syncthing, and none of the presets - ‘Unrestricted’, ‘Optimized’, ‘Restricted’ - was selected. Is it then that Syncthing is prompting to set a custom policy and works best with a custom policy? IF so, then I think the user should be told that - and told, as part of that, that the policy will show, in confusing fashion, as a kind of none-of-the-above within Android’s settings.