WavPack 5.8.1 was released yesterday, containing various optimizations.
Changes:
Quote
added: if present, use multiple cores by default (cli programs only)
added: option --no-threads to force single-threading (cli programs)
fixed: noise issue in hybrid mode (low bitrate / high sample rate)
improved: all new DNS algorithm for better hybrid mode quality
improved: "extra" option with multithreading and hybrid modes
added: TSOC (Composer Sort) added to handled ID3v2 tags
added: --no-overwrite command-line option to wvunpack
fixed: handling of 24+ channels (CoolEdit / Audition)
fixed: encoding raw audio from pipes (Windows only)
fixed: handling of unpacked samples in WAV files
fixed: rare command-line option parsing issue