Steinberg today released new updates for the Retrologue and Padshop VST instruments. The free 1.1 updates add AU and VST 2.4 compatibility to Padshop and Retrologue and works for the VSTi versions included in Cubase 6.5 and Cubase Artist 6.5 as well as for the Padshop full retail version.
Download Padshop 1.1 update
https://download.steinberg.net/downloads_software/VSTi_Padshop/1.1.0.134/Mac/Padshop_Update_1.1.0.134_Installer_mac.dmg
https://download.steinberg.net/downloads_software/VSTi_Padshop/1.1.0.134/PC/Padshop_Update_1.1.0.134_Installer_win.exe
Download Retrologue 1.1 update