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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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