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).
Import / Export:
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.
Interface:
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.
Effects:
New Vocal Remover plug-in, improvements for Generate effects.
Compilation:
Fixes when building Audacity with libraries disabled.
Improvements to make Mac and Solaris builds easier.
Security:
Full fix for issue CVE-2007-6061 on systems where temporary directories can be changed by other users (thanks to Michael Schwendt).
Miscellaneous:
Updated translations for many locales.
Several stability improvements.
Changes from v1.3.3 Beta to v1.3.4 Beta
New Welcome Screen with introduction to Audacity.
Enhanced Windows Shell integration, so Audacity shows up in lots of Windows places such as "Open With".
New keyboard command: 'Mix and Render to New Track' (bound to Ctrl+Shift+M).
New keyboard shortcut: "Shift-A" starts playback when stopped, or performs "Stop and Select" when playing.
Added support for VAMP audio analysis plug-ins.
Solo button solos only one track at a time, and a track cannot be both mute and solo. Interface:
Keyboard shortcuts for making short/long jumps along the timeline.
Added 'Snap To' in the Selection Bar.
Made keyboard navigation easier when multiple menu items with the same first letter exist.
Enhanced interface for label editing.
Layout of OK/Cancel buttons consistency improved.
Preferences:
"Select all audio in project, if none selected" (on by default).
"Beep on completion of longer activities" (system bell, not main output).
Other preferences cleaned up and explanations improved.
Envelopes: Many fixes when copying / pasting / repeating.
Many translation updates.
Track height fixed in several cases.
CleanSpeech mode switching without closing and re-opening fixed. Opening/saving formats:
Metadata editor added for OGG, FLAC and WAV/AIFF exports, and general improvements in this area.
mport of metadata improved.
Muted tracks are no longer audible in the exported mix. Effects:
Truncate Silence: support for multiple and stereo tracks.
Dtmf Generator:
Added support for keypad letters.
Added an amplitude control.
Compressor: Variable decay time added.
Equalization:
Clicks at start/end prevented
Improvements to saved curves being found
Preview works correctly
'Merge' command appears in Undo history.
Clipping detected more reliably.
Nyquist plug-ins reviewed and enhanced.
Better (and more) progress bars.
Canceling effect always restores previous audio.
Several improvement to effects in batch mode. Recording / Playback:
Improvements to latency correction.
Updated version of portaudio-v19 library. Note that Help is no longer built in, but accessible on the Web via links in Audacity.
