Innominate aka The Con with no Name - the web site will be as below but isn't live yet. I can't remember the guests except that they are all UK residents - I'm guessing this was done for expediency in putting things together at short notice.
Update from coth - Innominate's guests are Pat Cadigan, Judith Clute and Colin Harris.
And Eastercon 2018 will be Follycon in Harrogate - web site is up but not fully operational yet.
Guests Kieron Gillen, Christina Lake, Nnedi Okorafor and Kim Stanley Robinson
Update from bohemiancoast - Follycon's facebook page is https://www.facebook.com/follycon2018
These are both very experienced committees and hopefully there won't be more crises.