New plugins and features:

• Add Background Music plugin which makes the sound equally loud within and between tracks, contributed by Michel Fleur
• Restore Lyrics plugin for GTK
• Add Disc Number support (audacious-media-player#739)
• Read ReplayGain values in Opus files from R128 tags (audacious-media-player#1138)
• Allow to disable column header sorting (audacious-media-player#1273)
• Mute/unmute with middle mouse click on volume button (audacious-media-player#1353)
• Add new lyrics provider for chartlyrics.com (audacious-media-player#1357)
• Use a linear volume scale for PipeWire (audacious-media-player#1358)
• Handle Shift-Enter shortcut to queue track in Jump-to-Song dialog
• Offer more configuration options for the Crossfade effect plugin
• Show a tooltip for the Qt status icon plugin
• Support the Scrobbler (Last.fm) plugin also on macOS and Windows
• Allow to run custom commands with the Song Change plugin when a song is stopped
• Support building Audacious on Cygwin with Meson

Bugs fixed since 4.3:

• Make use of Windows' root certificate store to validate HTTPS certificates (audacious-media-player#1248)
• Provide the full range for libopenmpt's stereo separation (audacious-media-player#1359)
• Handle MP3 files with multiple image tags correctly (audacious-media-player#1360)
• Remove French prefix which lyrics.ovh embeds into all their lyrics
• Avoid needless resampling in the PipeWire output plugin
• Fix loading of local or cached lyrics, stored as .lrc files
• Make Scrobbler plugin work again by parsing Last.fm responses properly
• Don't treat MPG123_NEW_FORMAT as error when seeking in MP3 files
• Avoid crash when opening corrupted AAC files
• Fix build with C++20 standard

Other changes:

• Qt 6 and GTK 3 are now used by default, Qt 5 and GTK 2 support can still be enabled at build time though
• GTK support is no longer considered legacy
• Switch to x86-64 for Windows build
• Various minor UI improvements

Known issues:

• When building Audacious with autotools on macOS, plugins are not found or loaded (audacious-media-player#1364). Please use Meson instead as solution.
• Using the Winamp interface on Wayland is not supported due to limitations in Wayland regarding application-side window positioning (see also #common problems). We suggest to run Audacious via XWayland therefore.