TwistedWave 1.8 was just released. The detailed list of new features, fixes and improvements can be found in the release notes. It can be downloaded from the home page. The main new features being the availability of a 64-bit version of TwistedWave, automatically splitting a sound file by detecting silences, and the ability [...]

As for all the updates released so far, TwistedWave 1.7 is freely available for all the registered users. It contains a number of new features, fixes and improvements, the most important ones being the new support for batch processing, and the DIRAC Time Stretch/Pitch Shift technology, licensed from The DSP Dimension, one of [...]

TwistedWave 1.6.1 is mainly a bug fixes update. It contains very few
new features or improvements, as you can see from the release notes
below.
It’s been a long time since the last update, but the good news is that
I have now started working full time on TwistedWave, and it shouldn’t
be long before updates with more exciting new [...]

Here is the list of new features and improvements from the release notes:
New Features

Support for markers.
Added the ability to manipulate cuts/crossfades.
Automatically restore the session after a crash.
Drag and dropping the selection.
Play through when recording.
Saving the color scheme presets.

Fixes and Improvements

Wave64 support was broken on 10.4/intel.
Ability to zoom when command dragging the overview window.

Support [...]

Here is the list of new features and improvements:
New Features

Added the ability to automatically apply a crossfade when deleting a region.
Ability to export channels as individual files.
Added the ability to register TwistedWave for all users.

Fixes and Improvements

TwistedWave remembers the selection and cursor position when performing an undo/redo.
The TimeReference is correctly updated when exporting [...]

Here is the list of new features and improvements from the release notes:
New Features

Vertical zoom.
Scrubbing.
Support for WavPack and Wave64 files.
Added a level meter.
Added the File/Analyze menu item to gather some info about the waveform.
Added the option to lock the channels together.
Ability to display times in SMPTE.
Uses the TimeCode reference from .wav and .aiff files.
It [...]

When storing sound files, there is always a compromise to make between file size, and sound quality. With the mp3 codec, for instance, you can compress a lot, but with a more or less noticeable degradation of the sound quality.
If the sound quality is a very important factor, you may as well keep the sound [...]

Here is the list of new features and improvements from the release notes:
New Features

Support for metadata.
Added a signal generator.
A configurable special pasting that automatically fades in/out.
Added an icon for the files saved by TwistedWave.
Added the ability to export the selection.
Added the ability to create a new document with the current selection.
Added [...]

From the release notes:
New Features

Added the ability to move the cursor to the next transient.
Saving OGG/Vorbis files (only reading was available).
Reading WMA files.
Added the ability to disable the automatic scrolling when playing.
Added the insert silence effect.

Fixes and Improvements

Improved the audio units management.
When loading a split multichannel file, the document name was Untitled.
The audio [...]

TwistedWave was updated to version 1.2.1. You can download it from the link available on our home page. It consists mainly of bug fixes, described in detail in the release notes.