• 3.1.0-rc4 (Mar 2 2008)
  • Updated Audacious support to 1.4
  • Cleaned up some configure issues
  • Minor compilation fixes
  • Updated acoustic model

• 3.1.0-rc1 (Nov 12 2006)
  • Audacious support (thanks to Juan José Gutiérrez de Quevedo)
  • Completely new acoustic similarity engine based on support vector machine

• 3.0.2 (released Dec 26 2005)
  • Fixed a bug that caused correlations to not work (and possibly song selection to be biased) when "dead" entries are present in the playlist

• 3.0.1 (released Dec 5 2005)
  • Fixed an important bug that affects ratings of new songs

• 3.0 (released Nov 27 2005)
  • Entirely new statistical song rating & selection algorithm
  • Entirely new acousic analyzer
  • GUI remote that lets you restrict selection to particular artists
  • Lots of other improvements and bug fixes

• 2.1.1 (released May 21 2005)
  • Fixed a bug that caused occasional lock-up in immsd

• 2.1 (released May 10 2005)
  • More maintenance + bug fixes
  • Fixed a crash in immsd caused by incorrect transaction scope
  • immsd/analyzer should no longer hog the sound device
  • Fixed a non-fatal, but longstanding problem that caused locking errors
  • Potential fix for XMMS stopping randomly when using non-queuecontrol enabled plugin
  • ID3 tags are now stored in the database - this is useful for programs that use IMMS

• 2.0.3 (released Mar 18 2005)
  • Another maintenance release
  • Fixed a bug that caused IMMS to become stuck in playlist change notification phase (thanks to Michael Reinsch)
  • Made analyzer optional (thanks to Anders Rune Jensen)

• 2.0.2 (released Jan 26 2005)
  • a
    • Actually fix filenames with quotes
  • Maintenance release only
  • Fixed analyzer failing on filenames with quotes and other special characters
  • Fixed some issues with the build system
  • Fixed a problem that caused very poor performance on 64bit systems (Thanks to Alex Stevenson)

• 2.0.1 (released Dec 09 2004)
  • Make better use of correlation information
  • Give bonus to new songs in collection to facilitate introduction
  • Greatly improve the performance of plugins without queue control
  • Fixed configure misdetecting presense of queue control functions
    which caused compile errors with XMMS <= 1.2.10
  • Fixed a number of bugs

• 2.0 (released Oct 27 2004)
  • As of this version IMMS no longer just a plugin for XMMS, but rather a generic adaptive playlist framework
  • The core of IMMS runs as a standalone daemon (started automatically), and player plugins connect to it using a unix domain socket
  • Plugins are provided for XMMS and Beep Media Player, plugins for other players should be relatively easy to add
  • XMMS plugin was renamed from libimms.so to libxmmsimms.so, so you will have manually enable the new plugin when upgrading
  • Extended database schema to keep track of more information, paving way for faster new song introduction, etc
  • immsremote was dropped pending a better implementation. immstool got the new "rate" option to manually adjust ratings on songs
  • Lots of cleanup

• 1.2 (released Aug 17 2004)
  • b:
    • Fixed a typo in one of the queries
    • Added a missing include
    • Fixed Makefile to install binaries to PREFIX/bin instead of just PREFIX
  • a:
    • Fixed a possible lockup when updating correlations
  • New build system
  • Database layer rewrite, using SQLite 3.0
  • Use of transactions, pre-compiled queries and indexes speed up db operations significantly
  • Acoustic analyzer is now a separate application, further decoupling IMMS from XMMS
  • IMMS is now back to being a General plugin, like it should be
  • Entire collection can now be batch scanned thus gaining immediate benefit of acoustic analysis
  • Much more accurate and reliable bpm comparisons
  • New useful immstool options, like 'identify'

• 1.1 (released Apr 14 2004)
  • Alternative (much cleaner!) XMMS interface that respects shuffle, queue, etc
  • To use the new plugin interface you need XMMS CVS or 1.2.11 (when it comes out)
  • TagLib is now the prefered tag interfacing library
  • Faster secondary correlations
  • IMMS now keeps an internal mirror of the playlist
  • Fancy on-the-fly playlist limiting using immsremote
  • More internal restructuring and bugfixes

• 1.0.1 (released Feb 25 2004)
  • Fixed the time limit on how long we can spend updating secondary correlations
  • Added an option to have IMMS allow normal shuffle/sequential modes for CD tracks
  • Changed color spectrum ratings to only penalize transitions
  • Added a couple of missing includes that broke compilation on some platforms

• 1.0 (released Jan 25 2004)
  • Use acoustic properties of the songs (such as BPM and frequency spectrum)
    to automatically guess song similarity
  • IMMS is now a Visualization plug-in (see FAQ)
  • Fix secondary correlations
  • Much faster song selection
  • XMMS Queue support vs. XOSD/song change confusion is now configurable
  • Back now takes you to the last song played
  • Major code clean-up/restructuring

• 0.9.9 (released Dec 04 2003)
  • Fix memory leak in OGG metadata reader
  • Fix 2 bugs which could cause song repetition in short playlists

• 0.9.8 (released Nov 08 2003)
  • Improved song selection mechanism
    • The new one should work much better for short playlists
    • This is the first implementation since 0.9 that I am happy with!
  • Reworked song correlation engine that takes into account secondary correlations
    • I am somewhat concerned about the performance of this algrorithm.
      Let me know if you experience significant delays between songs.
  • Added an option that should make IMMS work with CrossFade plugin
    • You have to enable Sloppy skip detection in the Preferences.
  • The queue feature of XMMS should now be working

• 0.9.4
  • New rating heuristic that takes into account X idle time
  • Fixed bias toward the top of the playlist with untrained databases
  • Fixed a crash in the filename parsing code

• 0.9.3
  • Fixed a bug which caused the wrong songs to be rated
  • Fixed a file descriptor leak
  • Fixed compilation on Debian

           Thanks to Norbert Veber for reporting these bugs

• 0.9.2
  • Much more accurate filename parser and artist/title guesser using RegEx.
    New dependency: libpcre.
  • New song selection and rating mechanism that takes into account relationships between individual songs.
  • Fixed the song skip misdetection bug
  • Other fixed / cleanups

• 0.9
  • All metadata is now stored in the database - write access to music files is no longer required
  • The next song is now selected internally and jumped to directly
  • IMMS now uses Autoconf, thus making some components optional
  • Support for reading native Vorbis tags with libvorbis
  • Levenshtein string distance algorithm allows more accurate song matching
  • Internal restructuring and cleanups

• 0.8.1
  • use stop instead of pause to make transitions between songs smoother
  • if we cannot identify a songs title/artist, fallback to using the path otherwise unknown songs will always have an unfairly higher chance to get played
  • don't update id3v1 tags on files - imms never changes them
  • don't try to free memory getenv returns - it is static

  • misc cleanups

• 0.8
  • IMMS now takes into account how long ago a songs was last played
  • Misc bug fixes and cleanups

• 0.7.1a
  • Adjust the threshold even when auto-skipping

• 0.7.1
  • Patched a memory leak
  • Fixed some log messages appearing early
  • Don't use strcasestr, it's not standard
  • Misc clean-ups

• 0.7a
  • Remove a non-existent target from the makefile

• 0.7
  • Initial public release