https://www.head-fi.org/threads/introducing-onix-zenith-xst20-high-end-sacd-transport-with-true-dsd-output.976312/post-18762663
And yes, we will be deleting the mention of Gapless SACD from our marketing materials. It was already adjusted in the texts, graphics should be done shortly after.
The marketing materials are created based on information from the engineers and the product manager. XST20 was indicated to support gapless for both CD and SACD.