• Freeze importing audio files in Pitch (EAC) view
• Corrupted WAV or AIFF imports and WMA exports
• Metadata Editor appeared before the Export window

• Crash/hang using Equalization; errors in Reverse and Truncate Silence
• Nyquist: Excessive memory consumption; errors in European locales; inaccurate text box values
• VST effects remained in menu when no longer available

• Spurious "not writable/disk full" errors when saving projects
• Desynchronized playback/data loss when using multiple tracks
• Crash opening Preferences when no valid devices present
• (Windows) Audacity sometimes did not come up on top at launch
• (Linux) Crash when undoing or redoing label edits

• Improved copying/pasting of label-with-audio and system clipboard text
• Contrast Tool now modeless, intuitive handling of multiple project windows, various other improvements

• Crash, slow launch or excessive CPU/memory use arising from automatic VST support:
• VST instrument plug-ins should now be correctly ignored
• VST effects now scanned only at start of first session that detects them, then cached
• Effects are now not loaded or opened until needed
• New "Effects" tab in Preferences to enable/disable VST effects and enable VST rescan on next launch
• Default View Mode now works
• Chains now always apply their stored parameters rather than those last used in Effect menu
• Non-MP3 files imported via drag or Recent Files caused crash if filter in file open window set to MP3
• AAC exports (using the optional FFmpeg library) silenced
• Generating audio always fitted the project in the window; fit now done only if generating in new track
• View menu items/shortcuts incorrectly disabled when playing or recording
• DTMF generator defaulted to zero duration on open
• Unwanted interactions between linked audio and label tracks
• (Windows XP)  Failure to launch on some machines due to "incorrect configuration" issue
• (Windows)  Crash importing a stereo file while a screen reader such as JAWS is running
• (Mac OS X) :
• Audio Units effects applied to all tracks in project even if not selected
• QuickTime importer now handles files greater than 16-bit or 64000 Hz
• Various other interface bugs

• Compressor: new option to compress based on peaks, improved attack and decay time support
• Mixer Board: improved design, more responsive meters and now interacts fully with Track Panel in main window

• VST Effects now display GUI by default
• Faster Equalization and Noise Removal; improved Truncate Silence and Click Track
• Chains applied to files now clear temporary data after processing each file
• Updated Nyquist implementation with support for SAL syntax and improved memory management
• Plot Spectrum now analyzes up to 237.8 seconds of audio, with separate windows for each project and improved display; new preferences for Spectrograms
• Contrast Analysis tool now modeless for easier use

• Draft Manual/Quick Help included in Windows and Mac installers
• New "Mixer Board" view with per-track VU meters
• Mute, solo, gain, pan and track height saved in projects
• More compact Preferences window with easier-to-use Keyboard tab and new toolbars shortcuts
• New Screenshot Tools and improved screen reader support

• Record more than 16 channels (hardware/drivers permitting)
• Improved support for non-mmap ALSA devices such as PulseAudio
• 32-bit float data over 0 dB now handled without clipping
• "Stop" option when importing preserves already imported data
• AMR NB export now supported if the optional FFmpeg library is installed
• Faster waveform drawing and better response in multi-track projects

• Export Multiple: failed if empty label encountered; files silenced if overwriting imported WAV files without copying them in
• Metadata Editor hidden if it was on a now unavailable second monitor
• Misaligned audio after "Split New" or Noise Removal effect
• Incorrect label movement and paste with linked audio and label tracks
• Equalization, Cut Preview and Advanced Mixing Options dialogue
• (Linux) Mixer Toolbar should now adjust levels and select input sources properly
• "Audio cache" preference caused crashes - data is now only cached in memory if available RAM is above a level defined in preferences
• Various other crashes

• FFmpeg support (downloadable separately) permits import and export of a much wider range of file formats, including WMA, M4A and AC3, plus import of audio from video files
• On-demand loading of uncompressed files eliminates the wait before files can be played or edited
• Linked audio and label tracks allow labels to move with their corresponding audio when cutting, pasting or changing speed or tempo
• Hierarchical plug-in grouping for built-in plug-ins

• Several bugs fixed so that latency correction should be better, and more devices work correctly.
• Problems with invalid sample rates under Linux should be much rarer.
• Newer version of Portaudio library.
• New feature to record onto the end of an existing track (hold Shift while clicking Record).

• Updated versions of Libogg, Libvorbis, Libflac, Libsndfile and Twolame libraries.
• Handling of unsupported file formats more informative.
• Handling of file names with slashes on OS X improved.
• New dialog allows replacement of illegal file name characters on all platforms.

• Improved scaling and layout for rulers and VU meters.
• Envelope fixes/improvements including full control of undo/redo.
• New keyboard shortcuts and improved menu navigation.
• Preferences:
• More intuitive tab arrangement.
• New options for mute/solo and Metadata Editor behavior.
• Language can now be changed without restart.
• Expanded Build Information tab.

• New Vocal Remover plug-in, improvements for Generate effects.

• Fixes when building Audacity with libraries disabled.
• Improvements to make Mac and Solaris builds easier.

• Full fix for issue CVE-2007-6061 on systems where temporary directories can be changed by other users (thanks to Michael Schwendt).

• Updated translations for many locales.
• Several stability improvements.

there is no universal binary - the intel version is 1.2.5, the ppc version is 1.2.6.

• Fixed memory leaks on Windows.
• Corrected font size problems.
• Enabled missing FLAC support.
• Fixed Mac OS X (PPC only) screen redraw issues.

Support for new file formats, including FLAC
Fixes for Mac audio problems
Fix Generate Silence bug, a crash issue, and Linux GCC build issues
Intel Mac support