On Mon, Jun 19, 2017 at 3:49 PM Eli Zaretskii <eliz@gnu.org> wrote:
What exactly is the decision to be made here? 

It's just good to know that there is a clear green signal from the emacs maintainers.
 
What are the pro's and
the con's?  For that matter, are there any con's?

From what I understand, people who are still using org 8.2.10 from emacs master (and not using the latest release from Org Elpa) might need to make few backward incompatible changes to their org files ( http://orgmode.org/Changes.html ) and/or config. 

Pros: A lot of bug fixes and many many new features.
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Kaushal Modi