Apple started with a new IOS 13 Dark Mode! This is a system-wide mode that makes the elements of IOS black. We have been waiting for this.
New Reminders App in IOS 13 - A lot of new updates to help with productivity.
New Apple Maps - They have sent out many more vehicles to collect data. They made an emphasis on the detail, they have put into apple maps.
Apple brings us a Google Street view type look at businesses. Walk down the street and everything just like Street View. Apple's version looks much more detailed, though. Only time will tell.
New Location Privacy - Detailed reports are explaining what the apps are doing with your data or if they are using it all.
Sign in with Apple - Share your information just like the connect with google and facebook buttons without sharing all your personal information. Choose what to share.
Don't you want to use your real email address? Apple will create a random one that directs to your email without giving your personal information.
New Memoji customizations - They are adding a lot of detail to making yourself within your iPhone. With options to send the details to your contacts to fill your contact info.
Apple Camera App Updates - New touches to make your portraits even better.
New photo organization for IOS 13 - Detailed lookups of the photos you take with your iPhone.
Audio Sharing - Tap your iPhone with a friends iPhone and share the song your listening to.
It seems Apple left a lot of details of IOS 13 out of the announcement. Once IOS 13 releases with the next iPhone, we will know for sure what it hides. Now we wait for the September event.