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List:       kde-bugs-dist
Subject:    [Bug 146222] New: IMAP filtering severely broken in KMail 1.9.7,
From:       Chris Gebhardt <dev () openserve ! org>
Date:       2007-05-31 20:54:18
Message-ID: 20070531225415.146222.dev () openserve ! org
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http://bugs.kde.org/show_bug.cgi?id=146222         
           Summary: IMAP filtering severely broken in KMail 1.9.7, many
                    bugs/crashes
           Product: kmail
           Version: 1.9.7
          Platform: unspecified
        OS/Version: Linux
            Status: UNCONFIRMED
          Severity: crash
          Priority: NOR
         Component: filtering
        AssignedTo: kdepim-bugs kde org
        ReportedBy: dev openserve org


Version:           1.9.7 (using KDE 3.5.7, Kubuntu (feisty) 4:3.5.7-0ubuntu1~feisty2)
Compiler:          Target: i486-linux-gnu
OS:                Linux (i686) release 2.6.20-16-lowlatency

New bugs and crashes for 1.9.7:
* Various crashes while trying to manually apply filters to multiple selected messages
* Incoming message filtering only works on the first message
* Manual application of filter(s) to individual or selected messages does not filter every message.  Some \
messages are visually tagged as deleted (strike-through text) but not actually processed.  Refresh of the \
IMAP folder reveals these message still exist.

Bugs and crashes still existing from 1.9.6:
* Random crashes while manually applying filters to individual messages in succession.
* Incoming message filtering works sporatically, especially after initial IMAP login / folder check. \
                (this is much worse in 1.9.7)
* Filtering is extremely slow.  There seems to be an IMAP folder refresh after each message filtered, \
including update of the on-disk index.  Most IMAP clients have filters that efficiently operate on \
multiple messages at once.

These could probably be broken down into multiple bug reports, but it would not be worthwhile.  It is \
clear that the filtering code at fault is sloppy and needs a major overhaul.  This insane "whack a mole" \
bug fixing does not work and needs to end.  IMAP filtering was supposed to be improved with KMail 1.9.7 \
from KDE 3.5.7.  I have found the exact opposite to be true.  For each bug listed as fixed in each KMail \
release, it seems several more are created.  A re-write of the filter code (and perhaps some IMAP code) \
is desperately needed. Honestly, KMail is an embarassing quality control problem for KDE right now.  As \
one of the most popular and important pieces of KDE software, there is no excuse for release code with \
such obvious bugs.  10 minutes of casual testing would have caused any of these issues show up.  I \
propose that once these issues are resolved, a KDE 3.5.8 bugfix release be made quickly.  Thankfully, \
most stable distros are currently using 3.5.6.


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