Opening/saving formats: * Import of audio from QuickTime (mov, aac, m4a) files is now supported on OSX * Metadata may be added to OGG files * Improved export option selection * Importing of Broadcast Wave Format (BWF) wave files now tolerated * Additional export options added to MP3 and FLAC file formats * Command line exporter now supported on Windows and OSX
Effects: * EQ effect responsiveness improved * Several enhancements to the EQ Effect * Batch support added for the EQ effect * New Auto Duck effect * Added previewing to AudioUnit effects * Much improved Noise Removal effect * Effects previewing may now be canceled * New DTMF Tone Generator effect * Additional options available in Noise effect * Improved the Tone Generation effects
Other features: * New built-in screen capture utility * Major speed improvement in Spectrogram rendering * Increased support for drag and drop on OSX * Support added for building against wxWidgets 2.8 * Support opening multiple Audacity Projects at once from Explorer on Windows * Improved main window sliders * New support for snapping while selecting and sliding * Improved track focus handling and visual feedback * Speed improvements and handling of resizing/zooming in tracks * Spectrum view may now be zoomed * New internal file cache to improve handling of project files over networks
Also: * Many improvements to language specific translations * Numerous stability improvements
Legacy Forum Post
Opening/saving formats:
* Import of audio from QuickTime (mov, aac, m4a) files is now
supported on OSX
* Metadata may be added to OGG files
* Improved export option selection
* Importing of Broadcast Wave Format (BWF) wave files now tolerated
* Additional export options added to MP3 and FLAC file formats
* Command line exporter now supported on Windows and OSX
Effects:
* EQ effect responsiveness improved
* Several enhancements to the EQ Effect
* Batch support added for the EQ effect
* New Auto Duck effect
* Added previewing to AudioUnit effects
* Much improved Noise Removal effect
* Effects previewing may now be canceled
* New DTMF Tone Generator effect
* Additional options available in Noise effect
* Improved the Tone Generation effects
Other features:
* New built-in screen capture utility
* Major speed improvement in Spectrogram rendering
* Increased support for drag and drop on OSX
* Support added for building against wxWidgets 2.8
* Support opening multiple Audacity Projects at once from Explorer on
Windows
* Improved main window sliders
* New support for snapping while selecting and sliding
* Improved track focus handling and visual feedback
* Speed improvements and handling of resizing/zooming in tracks
* Spectrum view may now be zoomed
* New internal file cache to improve handling of project files over
networks
Also:
* Many improvements to language specific translations
* Numerous stability improvements