In general, you can use 0MQ 4 exactly the same as 3.2, there should be no
backward-incompatible changes, only new stuff. That's the goal, anyway,
obviously you have to give it a try to see how it goes in practice, but
it's been pretty solid in my experience thus far.

-MinRK


On Fri, Dec 6, 2013 at 2:48 PM, Greg Ward <[email protected]> wrote:

> Hi all --
>
> I have an app running just fine on 0MQ 3.2.3 and pyzmq 13.1.0.
> Unfortunately it includes a homebrew cryptosystem that makes me
> nervous. I'd like to move to 0MQ 4.0 and use the builtin crypto there.
> I don't see any docs on porting to 0MQ 4.0... am I missing something?
> Or is it trivial -- just upgrade the package and continue as if
> nothing happened?
>
> Thanks --
>
>        Greg
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> [email protected]
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>
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