Anyways, back to the topic...
It seems to me that on the latest 2020 shows announcements and promo, they backed out LOTB hashtags, except on Instagram, where they seem to have some kind of default hashtags all along the LOTB tour. There is even no dates in the tour section on Instagram.
I think that it's not probable, but definitely possible, that the managment and possibly some band members wanted to extend LOTB, but some of the band members were against it and want to play new songs. Especially if Nicko came to managment and said that he doesn't know how long he has left, it's entirely possible they have overwritten the plans and the album will be released sooner.
But most likely it still looks like LOTB part III, with possibly a new song being played and the album being released in early September.