MP3/WMA decoding for all computers with Windows XP and Windows Vista®. Computers with older versions of Windows may require installation of Microsoft DirectX® 9. Other audio formats can also be decoded, if the adequate filters (codecs) are properly installed. Computers without DirectShow can still process uncompressed WAV files. Although DePopper can decode lossy compressed formats, we recommend the use of uncompressed WAV files ONLY, to get the best possible audio quality.
	Command-line Switches for automatic processing from a bat file (for advanced users - require experience with DOS).
	Temporary Files use in Advanced Options had its default changed to Overwrite Destination Many Times. Although slower, this method is safer against recent changes in Windows file management, that were causing "Access Denied" errors.
	Detection of abnormally terminated previous session. DePopper is very CPU intensive, which requires a CPU cooler working properly, or the CPU will overheat. If the CPU overheats, problems like lockups and reboots may happen. We cannot avoid this because this is hardware problem, but now DePopper detects an abnormal termination in the previous session and displays a message informing the possibility of the CPU problem.
	HLP files changed to CHM, for Windows Vista® compatibility.
	A new Advanced Option for disabling the use of temporary files. Change its settings if you are getting “Access Denied” or “File or file name locked by Windows” errors when processing your files.
	A new option in Minimize Small Pops filter, which allows to enable extra processing which removes an extra noise that appeared in some bass drums, when played alone.
	A new option in the new Big Clicks engine, allowing the removal of frequencies below 38 Hz for fixing cliff-shaped big clicks when Extra Precision is enabled.
	A new engine for Big Clicks filter, more accurate, which is enabled by checking Extra Precision in its setup.
	The possibility of removing a range of frequencies, in addition to isolated frequencies.
	Anti-clipping and gain adjust in Frequency Normalization.
	Improvements in Preview.
	Accepts drag & drop to files window.
	Improvements in volume normalization by using adaptive compression in order to avoid distortion by clipping.
	A new noise minimization filter with much better results for cassete sources.
	New pulley option to filter out very low frequencies when minimizing small pops.
	Optionally turn off NT class machines after processing (if allowed by software, hardware and user permissions).
	New preview button.
	New help entries for visually impaired users.
	A new option to filter out very high frequencies (noise) and very low frequencies (rumble and pulley noise), as well as 50 Hz and 60 Hz noise.
	Creation of log (report) files can optionally be disabled.
	Processed files can be stored to source files directory or, optionally, to a single, fixed, different directory.
	Now it is possible to automatically delete original files after processing, saving disk space.
	More flexibility in file renaming, by adding the possibility of configuring suffixes for old, new and temporary files.
	A new Advanced Options screen, which lets the user to change the settings for auto help feature, opening splash screen, file deletion and file renaming. The new screen, for advanced users only, is attached to the System Menu (top left small disk icon or Alt-Space).
	A new engine for noise minimization, much easier to setup. There's no need of a "noise figure setting" anymore. DePopper now identifies the noise by analyzing the dynamics of the entire sound file, in a much more automated way.
	Improved engine for big clicks minimization gives you less false detections and therefore less distortion, if you need to enable this option.
	The program is now more tolerant to WAV files generated by other softwares, but still requires 16-bit uncompressed format as input. 8-bit formats are now accepted, but they are converted to 16-bit (doubling their sizes). Most AVI files with uncompressed 16-bit audio streams are now supported (video information is discarded).
	We added an extra precision option for small pops minimization. This mode is somewhat slow, but gives you very high quality results.
	We added an automatic help mode: the help window appears to the right of the program for each feature you use. You can disable this feature, of course.

The following bugs from earlier versions were also fixed:

	Distortion problem fixed. In some specific hardware configurations, when processing an audio file that was recorded with excessively high volume (with severe distortion by clipping), DePopper was increasing the original distortion even more. Now the distortion is no more increased, but anyway we never recommend recording with a so high volume. A distorted source will never generate a good processed file. If a very high volume is desired for some reason, we recommend increasing the average volume after processing the audio file with DePopper, using dynamic compression to avoid clippings (the filter Normalize Volume does this).
	Some compatibility issues with directories marked as system in Windows XP.
	Distortion in frequency normalization with sound files that have short high volume segments between long low volume segments.
	A crash with sound files saved by some programs with long names.
	A click near the end of some WAV files.
	Small (in size) and short (in time) volume variations at regular intervals.