
Oculus has confirmed that it will be skipping E3 and not having a booth this year.

For nearly two decades, GOG has built its identity around DRM-free releases and classic games that actually work on modern PCs. With initiatives like the GOG Preservation Program and One-Click Mods, the platform is going far beyond simply selling old titles — it’s actively maintaining them, fixing them, and making sure they don’t quietly disappear as technology moves on.

Blizzard reveals plans to speed up Diablo releases with more frequent expansions and updates as the franchise moves toward a live-service future.
All I want is a physical disc release of remastered D2 that doesn't require online check-ins.
I've lost complete interest. Too much FOMO with seasons as it is, now it's expansions? No thanks.

David Zaslav talked up the future of Warner Bros., HBO Max and linear channels in an earnings call that avoided any questions about the pending sale.
Lots of companies will be doing more stand alone presentations as it is more controlled and focused. They'll still have games and product there, just no booth. Apple, Nintendo, etc want all eyes on than sit in an ocean of other hardware manufactures, developers and games. The trend will increase.
Now that E3 is open to the public, it's a bit of a misfire to not attend and have the opportunity to showcase your product to a willing audience that are potential customers.
VR - It's the next big thing!!!!! - 2016
VR - "crickets..." - 2017