[Kolab-devel] Cyrus IMAP 2.5 Likely to Drop ANNOTATEMORE Support

[Jeroen van Meeuwen (Kolab Systems)]

Hello all,

Cyrus IMAP 2.5 and beyond is likely to drop support for ANNOTATEMORE[1], 
pursuing full compliancy with the METADATA[2] RFC.

I figured I would give you this heads-up, as future generations of the Kolab 
product will ultimately include Cyrus IMAP 2.5.

I'm interested to hear from our various IMAP client implementors, whether or 
not, and if so, to what extent, this may pose any problems for them. Noted of 
course, client implementors would be required to both be compatible with 
ANNOTATEMORE as well as METADATA for as long as legacy Kolab deployments are 
considered supported. This would include any deployments that are considered 
using the current version of Kolab today, as well as future deployments of 
Kolab including Cyrus IMAP prior to 2.5.

Regrettably, in terms of back- and forward compatibility, we have no approved 
processes, let alone solid timelines, on product development, release and 
support cycles.

This means Cyrus IMAP 2.5 could be included anywhere in between now and the 
end of this century... consequently meaning backwards compatiblity would need 
to preserved for at least as long as we have no general availability release 
including Cyrus IMAP 2.5.

That said, ultimately, I would want to push out a full KEP on the subject as 
well.

Kind regards,

Jeroen van Meeuwen

[1] http://tools.ietf.org/id/draft-daboo-imap-annotatemore-17.txt
[2] http://tools.ietf.org/html/rfc5464

-- 
Senior Engineer, Kolab Systems AG

e: vanmeeuwen at kolabsys.com
t: +44 77 340 9500
w: http://www.kolabsys.com

pgp: 9342 BF08
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