Shueisha has revealed that the Jump Festa will reveal more information about the return of the anime Bleach, which was previously announced to be based on the "Thousand Year Blood War" arc.
Therefore, the final arc of the manga Bleach 55-74.
The event will then take place from December 18th to 19th, and will be a hybrid online and in-person event. The physical part of the event will be held at Makuhari Messe in Chiba, with tickets available by lottery and with limited capacity. The situation regarding the physical event is subject to change due to the pandemic.
Source: ANN