Upgrading 1.1pre14 nodes to 1.1pre15 in an existing mesh

[Nirmal Thacker]

Hi

I have a Tinc cluster of about 100 nodes, and they are all running tinc
1.1pre14.

I'd like to upgrade to tinc 1.1pre15.

Is there a suggested mechanism to do this while keeping the cluster up?
For instance can I simply automate the installation of tinc 1.1pre15 on
each node and reload the existing configuration using 'tinc reload'
Will the temporary state of having a mix set of 1.1pre14 and 1.1pre15 nodes
cause any instabilities?

Any other suggestions or best practices will be very helpful
Thanks
   -nirmal
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