We definitely didn't expect this.
Today, Sony announced that it won't hold a media briefing at E3 2019. This came as a shock to many fans of the PlayStation brand because everyone was expecting the company to unveil the PlayStation 5 at the event. It looks like the console manufacturer is saving the reveal for its own event towards the end of 2019, but that doesn't mean Microsoft won't be at E3 too.
Full story from the WindowsCentral blog...