Sony has confirmed that it will not be part of the E3 2019 trade show. The organizer of the event, the Entertainment Software Association, has issued a press release to highlight which companies will be in attendance, including Sony's console rivals Nintendo and Microsoft. According to a press statement, the PlayStation maker is apparently searching for new ways of engaging with its community.
https://www.notebookcheck.net/Sony-bails-on-E3-2019.362121.0.html