The official website for a light novel written by Fujino Ōmori and Suzuhito Yasuda, Is It Wrong to Try to Pick Up Girls in a Dungeon, announced that the third season of the anime has been delayed from July to “October or later”. The new television and streaming premiere dates will be announced through the website and the anime’s official Twitter account once they are decided.
Source: Is It Wrong to Try to Pick Up Girls in a Dungeon’s light novel official website