年末最後の怒涛のアップデート来た

1.4
Added preferences page to adjust priority order of installed decoders.
Greatly improved DSP manager dialog.
Added output mode switcher toolbar item to Default User Interface.
Converter improvements:
Keeping incomplete/problematic output files is now optional; they're deleted by default.
New and improved overwrite prompt dialog.
ReplayGain scanner improvements:
Apply gain to file content feature now runs in multiple threads and supports MP2 content.
Added command to manually manipulate Opus header gain field for both .opus and Matroska.
Playlist & Media Library search use a new text-matching algorithm similar to Unicode Asymmetric Search.
Reworked Default User Interface Preferences pages; improved options for minimize & close behaviors.
Cosmetic tweaks; prettier buttons attached to editboxes in various dialogs.
Cleaned up Opus header gain manipulation, reported value no longer offseted by 5 dB, made header gain respected when embedded in Matroska container.
Matroska support improvements, improved seeking performance on files without seektables.
Made possible to choose between alternate audio streams in MP4 and Matroska files.
Implemented WebM internet stream playback.