Re: file times off by 1 hour - depending on windows DST
Nowadays SFTP is the default for Winscp. With SFTP the server time is always in UTC timezone so the default "Adjust remote timestamp to local conventions (unix)" seems a bit odd with it's summertime changes. Wouldn't "Preserve remote timestamp (unix)" be better default?
That's just matter of preference. As mentioned in the doc with option you propose, synchronization functions would not work. That's the reason for the default.