How does Apple communicate with its developers if it cancels its developer conference?

Facebook, Microsoft, and Google have now cancelled major conferences in the face of the spread of the coronavirus. Apple’s annual developer conference, WWDC, usually takes place in early June—and all eyes will now turn to Apple to see how the company will respond.
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https://www.macworld.com/article/3530298/what-happens-if-and-when-apple-cancels-wwdc-2020.html