So it appears that accroding to the MangaUK website that Digimon S1 to S4 boxset DVD and Digimon Froniter both have been pushed bacl until 5th November when they were orginally supposed to of been released on 29 October 2018. The delay isn’t that long just a week or so.
You can pre-order S1 to S4 from:
I thought it was worth to mention in case people didn’t know that they have been pushed back for a few days. Heads up goes to Haydn Davies