S3Drive - launch app at startup not activating

Setting "Launch app at startup" is get disabled when app is closed and reopened. I active it. close app settings window. close the app. this settings is back to disabled mode.

Thanks for your report. Quick question, does app starts in your case as expected, but reports invalid startup setting or the app startup after reboot doesn't work at all? This toggle indicator relies on specific isEnabled check which is OS dependent. In some cases startup might work properly after it was enabled, even if the indicator says otherwise. In such case in order to disable the startup user would have to reenable it and then immediately disable it. ... but it would be good to know if app startup works for you by any chance? Is that the Flatpak or AppImage release? (edited)

In a next release we will release an update to startup library and add additional debug log to help us capture the issue.

It is flatpak release. I will check startup functionality later in the evening and report it here

After reboot app starts as expected, just settings does not report it.