re GPG 2.0

[Michael]

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~ Hi everyone. I know this is probably a bit late, since I generally get
the digest, and also only log on infrequently, but felt I might for the
sake of anyone interested mention that I'm still using gpg 1.4.8 with
Enigmail and thunderbird 2.0.0.12, and I think it pretty much works.
~ I also use to use GPGshell occasionally, just for a nice clear interface.

~ My question is should I upgrade to 1.4.9 for any particular reason? My
understanding was that .8 is still more or less "current". Is .9 a
security upgrade?

~ As an aside, I have an older version 1.4.1 I think on an older machine
that runs an old linux system (Red Hat 9 to be specific) and I think
keys created on that machine are compatible with 1.4.9, however on an
even older system (Red Hat 7) I recall building a version of gpg 1.2.3
with the help of rpm. Would keys created with that version be usable or
are they incompatible?

~ Michael.
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