Re: [bug?] file ownership changes on edit with external editor
It's not a new behaviour. It's the Transfer to Temporary Filename feature.
See https://winscp.net/eng/docs/resume#automatic and
https://winscp.net/eng/docs/ui_pref_resume
See https://winscp.net/eng/docs/resume#automatic and
https://winscp.net/eng/docs/ui_pref_resume