Board Thread:General Discussion/@comment-25926288-20151111011758/@comment-6175354-20151113143539

It is not a retcon, if it was never confirmed in the show. Rumplestiltskin's collection was just filled with Easter Eggs, for future storylines. That does not mean OUaT needed, Rumple to be involved with any of them. Personally, I am glad that Excalibur was originally the Holy Grail.