Winamp 5.9.1 build 10021 RC 1 New:

[ml_nft] Import, play and download music from your NFT Library (optional)
New/Improved:

[ml_downloads/ml_playlists] Download context menu in ML
Improved:

[ml_local / nde] Memory footprint reduction
[ml_local] Load time speedup and other optimizations
[ml_online] Increased maximum bandwidth (from 350 to 3500)
Playlist loader/writer refactoring
[dlmgr] Increased buffer size for faster podcast downloads
[Bento skin] Increased width of config to help with translations
[Installer] VS2019 runtime checker script (thanks Pawel Porwisz)
Fixed:

Hang when reopening Winamp if previously placed on disconnected monitor
[Installer] Silent install switch blocked by external dependencies
[gen_ff] Windowshade and Docked Toolbar modes not remembered on restart
[gen_tray] Settings not being saved after Winamp restart
[in_mp4/libmp4v2] Overflow and seek issues with specific mp4 videos
[in_wave/libsndfile] Error parsing list subchunks with some riff headers
[ml_downloads] Cancelling multi-selection only cancelled first item
[ml_playlists] Crash when editing playlist entry
[ml_wire/xml] Display of non-Latin characters in Podcasts
[out_ds] Crossfader broken in Bento/Modern skin EQ
[out_ds] Potential buffer overflow issues
[out_wasapi] Crash on opening flv videos (rendering still needs fixing)
Memory leaks
Reported issues with special/unicode characters
[vis_avs] AVS Editor menu not localized when lang pack applied
Misc:

Many more general tweaks, improvements, fixes and optimizations
Replaced nu::PtrMap with std::map and nu::PtrList with std::vector
[vcpkg] changed from manifest to classic mode
Updated:

[in_flac/enc_flac] libFLAC 1.4.2
[in_mod] libopenmpt 0.6.6
[OpenSSL] OpenSSL 3.0.5
[vpx] libvpx 1.12.0
[xml] expat 2.4.9
[zlib] zlib 1.2.13
Removed:

[wbm] Lazy-loading wbm system files (no longer required)