The following reply was made to PR pkg/32738; it has been noted by GNATS.

From: Thomas Klausner <wiz@danbala.tuwien.ac.at>
To: gnats-bugs@netbsd.org
Cc: 
Subject: Re: pkg/32738: db4 upgrade to 4.4 breaks 4.3-based apps like cyrus-imapd
Date: Sun, 5 Feb 2006 01:18:38 +0100

 On Sat, Feb 04, 2006 at 11:30:01PM +0000, John Kohl wrote:
 > I rebuilt all my packages for NetBSD 3.0 using the latest version of
 > packages (no branch).
 > Switching from db4-4.3.29
 > to db4-4.4.16
 > results in failures in cyrus-imapd.
 
 How annoying.
 
 > Is db 4.4 incompatible with 4.3-formatted databases?  If it's supposed
 > to be compatible, it's not and there's a bug somewhere.
 
 I guess it's not...
 
 > If it's supposed to be incompatible, do we need to keep old & new
 > packages around (support multiple db4 releases)?
 
 Hm, not worth the effort in the long run.
 
 > How about an upgrade/conversion guide?
 
 How about
 	http://www.sleepycat.com/docs/ref/upgrade/process.html
 and
 	http://www.sleepycat.com/docs/ref/am/upgrade.html
 ?
  Thomas