The npvlc.dll that is included in vlc-2.1.5-win64.exe reports its file version as 2.2.0
The npvlc.dll that is included in vlc-2.1.5-win64.exe reports its file version as 2.1.3
Sorry, but can you please correct your statement that the most recent 32bit version of the plugin is 2.1.3? Thank you.