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* ========================================================================
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Updated: 2 January 2007
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imap-2007a is a maintenance release, consisting primarily of bugfixes to
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problems discovered in the release that affected a small number of users.
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Updated: 20 December 2007
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imap-2007 is a release corresponding with the release of Alpine 1.0.
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The primary focus of the imap-2007 release is bugfixes and reliability
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improvements. This includes:
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. fixes to problems discovered between the Alpine 0.99999 pre-release
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. fixes to the mix driver to timing race problems uncovered by Timo
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Sirainen's imaptest suite. imap-2007 using the mix format is
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believed to pass imaptest completely.
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A new function, utf8_csvalidmap(), has been added for the benefit of
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Alpine to use in examining UTF-8 text and determining efficiently
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whether it can be downgraded to a legacy charset. If you develop an
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MUA, this may be useful for you too, although you'll have to read the
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source code to see how to use it. The purpose of the "not-CJK" bit is
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to prevent messages being downgraded to a CJK charset if all they have
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in that charset are some special punctuation.
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Updated: 5 September 2007
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imap-2006k is a maintenance release, consisting primarily of bugfixes to
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problems discovered in the release that affected a small number of users.
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The primary focus of this maintenance release is to correct deadlock
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issues. There were two major causes of the deadlocks:
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. a change in imap-2006i attempted to resolve a glibc mutex-based
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deadlock in imapd's signal handler, but ended up worsening the problem.
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. a bug in the mbx driver, introduced as part of the UIDPLUS work in 2006,
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applied an mbx-style lock briefly on a traditional UNIX format mailbox.
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If the traditional UNIX format mailbox was already locked by some other
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process, the result would be a deadlock of both processes.
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imapd's signal handling logic is rewritten to avoid the mutex issue, and
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the mbx driver is fixed so that mbx-style locks are only applied to mbx
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imapd now supports the WITHIN extension.
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imap-2006j is a maintenance release, consisting primarily of bugfixes to
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problems discovered in the release that affected a small number of users.
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imap-2006i is a maintenance release, consisting primarily of bugfixes to
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problems discovered in the release that affected a small number of users.
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imapd now supports the CHILDREN and ESEARCH extensions.
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imapd's attempt to return COPYUID/APPENDUID information for a traditional
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UNIX (and MMDF) format mailbox when the mailbox is open by another process
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has been declared to be a failure and is now revoked. It was subject to a
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timing race, loss of which involved an expensive reset of the mailbox's UID
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regime. Any imapd COPY or APPEND to a traditional UNIX or MMDF format that
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is open by some other process will now no longer return COPYUID/APPEND.
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Although this is technically in violation of RFC 4315, there is a loophole
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in that document and the timing race/performance problem is worse.
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imap-2006h is a maintenance release, consisting primarily of bugfixes to
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problems discovered in the release that affected a small number of users.
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Updated: 30 March 2007
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imap-2006g is a maintenance release, consisting primarily of bugfixes to
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problems discovered in the release that affected a small number of users.
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Updated: 30 January 2007
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imap-2006f is a maintenance release, consisting primarily of bugfixes to
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problems discovered in the release that affected a small number of users.
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For the benefit of multi-threaded applications, use of strtok() has been
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abolished in the c-client library. imapd and ipop3d stuff use it though.
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The TOPS-20 and VAX/VMS ports still use strtok() since they don't use UNIX
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This version has been test-built on Linux, Mac OS X, NeXT, Windows XP,
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TOPS-20, and VAX/VMS. This will probably be the last test-build on VAX/VMS
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since the system I use for that purpose is being shut down. I have no way
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to test-build on DOS, legacy Mac OS (OS 9 and earlier), OS/2, or Windows CE;
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and the builds on those systems are probably broken.
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Updated: 26 January 2007
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imap-2006e is a maintenance release, consisting primarily of bugfixes to
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problems discovered in the release that affected a small number of users.
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Updated: 6 December 2006
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imap-2006d is a maintenance release, consisting primarily of bugfixes to
added
removed
imap/docs/RELNOTES
