At 10am PDT (1pm EDT, 5pm GMT) on Monday, June 3, 2019, Apple will host its "special event"—or as we've long called it, the keynote—to kick off the 2019 Worldwide Developers Conference. In front of an audience of press and developers, the company is expected to share details about its upcoming major annual operating system updates for iPhones, iPads, Macs, Apple Watches, and other products.

Ars will once again be on the scene at WWDC in San Jose, and on Monday we'll be sharing live updates throughout keynote in our liveblog—just come back here a few minutes before the event starts to follow along.

The main focus is expected to be iOS 13, the new version of Apple's software for iPhones. Previous leaks and reports have suggested a number of totally overhauled apps, significant iPad interface changes, and a Mojave-like Dark Mode. Apple will also discuss macOS 10.15, watchOS 6, and tvOS 13. The Mac updates may focus on Marzipan, which is the codename for an Apple project aiming to make it easier to develop apps that can be deployed to iPhones, iPads, and Mac with minimal additional work for developers for each platform. Apple introduced the concept at last year's WWDC, but we expect the big rollout to happen in some form or another this year.

Possible hardware announcements include a majorly overhauled Mac Pro and the first new Apple-made computer monitor in several years. The company has been saying since 2017 that it plans to release a totally new Mac Pro in 2019 that would ostensibly sport a modular design of some kind and learn from the mistakes the company made with the ill-fated 2013 Mac Pro. And as supplies of certain LG displays made for Macs have dried up in the Apple Store, onlookers have begun anticipating a new display to go along with that Mac Pro.

Apple might keep it to software, but if we see hardware, those are the products we're expecting to hear about. Tune in to the liveblog at 10am on Monday to see what Apple has in store.