Dan Marotta wrote:
With XCSoar 6.2.4 I've found that my GMT offset (-7) resets to zero every
time the system is restarted.

This bug has been fixed in 6.2.5:

http://www.xcsoar.org/trac/ticket/1682

If you see bugs, please report them to our bug tracker. Talking about
XCSoar bugs on RAS is not the best way to get them fixed ;-)

Max