The next White Dwarf, which we should start seeing images of very soon, is said to be focused on the Tau, with a pre-order date of March 10th and release on the 17th.
translated from La Voz de Horus
https://www.lavozdehorus.com/codex-imperio-tau-prepedido-10-marzo/
The T'au Empire is here ! The next White Dwarf includes prices and dates, revealing that March 10 will be the pre-order and on March 17 we will have the Codex: Empire T'au for sale.