Let's quickly remember a few of VoiceOver's most important gestures that will let you do some of the most basic actions including selection, interacting, navigating, and scrolling.
And Apple has a great video: https://m.youtube.com/watch?v=qDm7GiKra28&feature=youtu.be

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By its name, I misunderstood what shouldGroupAccessibilityChildren does the first time I saw it. It can be used for VoiceOver to traverse all items in a view before moving to the next one, instead of grouping as in combining those elements. VoiceOver traverses elements in the natural reading order, from left to right, top to bottom, in left-to-right languages. Sometimes data is displayed in columns, so that order might not be the most logical one. https://developer.apple.com/documentation/objectivec/nsobject-swift.class/shouldgroupaccessibilitychildren
Today starts the #WWDC22 . Apple announces what new APIs we'll be able to use to make more inclusive and accessible apps. There's also Labs, Digital Lounges and Sessions, for free. Check out the schedule here: https://developer.apple.com/wwdc25/topics/accessibility-inclusion/ Last year, Apple presented Audio Graphs to make graphs more accessible. This year, they introduced Swift Charts, that lets you build a wide variety of charts in SwiftUI and they have great VoiceOver support. https://developer.apple.com/documentation/Charts @dnlyong has a great thread going through lots of the new accessibility features presented this year. https://x.com/dnlyong/status/1533897274274639873 As noted by @RobRWAPP and @mecid, Apple is tweaking the style of the SwiftUI accessibility modifiers. https://x.com/RobRWAPP/status/1533900962615762945 Sessions this year include topics like gaming (with Unity), localisation and internationalisation. You can check these (as they get published during the week) and previous accessibility sessions here: https://developer.apple.com/videos/accessibility-inclusion/ SwiftUI lets you now add multiple accessibility actions at once and quick actions to be show by the system when active: https://developer.apple.com/documentation/swiftui/view/accessibilityactions(_:)?changes=latest_minor https://developer.apple.com/documentation/swiftui/view/accessibilityquickaction(style:content:)?changes=latest_minor
@azzoor has this great video with some advice on how to set up your device for testing accessibility and a ton of tips will get you testing effectively in no time. https://m.youtube.com/watch?v=Ca1H6wF348g&feature=youtu.be