According to the September Channel Guide, Amazon Prime Video (228) and Virgin TV Ultra HD (205) are swapping EPG positions.
Amazon Prime Video: 228 > 205
Virgin TV Ultra HD: 205 > 228
The other Virgin TV Ultra HD on 999 is no longer listed so may be getting removed.
Desktop:
https://www.virginmedia.com/content/...tember2019.pdf
Mobile:
https://www.virginmedia.com/content/...tember2019.pdf