In recent years, the franchise found critical and commercial success with solo films like Wonder Woman in 2016, Shazam! in 2019, and The Suicide Squad in 2021. That being said, that hasn’t stopped certain DC films from distancing themselves from the DCEU narrative entirely. For example, 2019’s Joker starring Joaquin Phoenix was DC’s first instance of de-emphasizing the shared universe narrative of the DCEU by telling its own standalone story.

Source: https://www.distractify.com/p/is-the-batman-part-of-the-dceu