https://www.dotnetzone.gr:443/cs/blogs/birbilis/archive/2015/11/30/difference-between-localizableattribute-and-localizabilityattribute-in-net.aspxI’ve just updated an older answer of mine at: https://social.msdn.microsoft.com/Forums/vstudio/en-US/716ef041-0a59-4c1d-9519-e14db4de7e75/localizability-vs-localizable-attributes-in-control-dev?forum=wpf In case you’re wondering too what’s the differenceelCommunityServer 2.1 SP3 (Build: 20423.1)