Blu-ray Only Episode of Persona 4 The Animation Announced

At the end of the airing of the final episode, an unaired episode of Persona 4 The Animation was announced to be released in the tenth volume of the Blu-ray & DVD. It will be the true end episode titled "No One is Alone" and will be released on August 22nd.

Source: Screenshot of the announcement

Persona 4 The Animation: No One is Alone on MAL