GPG 1.4.x v.s 2.x

[Alan Olsen]

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The place I work needs to upgrade gpg badly.  They know this.  The question is do they go with the 1.4.x tree or should they go to the 2.x codebase?

Suggestions? Recommendations? 

We get files from clients all over the world.  Are there features used in the 2.x versions that 1.4.x cannot handle?

Thanks.
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