If you want to update the VoiceOver user frequently about how a component is changing, when focused, you can use the .updatesFrequently accessibility trait. A downloading progress bar, a stock value, or a timer, are some examples.
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You can check if some features, like VoiceOver, are on. Experiences should not diverge too much. It could be used to avoid auto-hiding UI elements. iOS probably checks this to show search fields by default, without having to pull them down. From the documentation: isVoiceOverRunning: https://developer.apple.com/documentation/uikit/uiaccessibility/isvoiceoverrunning
Love this feature! Yahoo released the possibility to explore charts with audio, in the finance app, when using screen readers in 2019. You can do now something very similar since iOS 15. https://coolblindtech.com/yahoo-finance-app-makes-charts-accessible-to-blind-and-partially-sighted-users/ You can move your finger in the x-axes, and it will play a sound with a different pitch depending on the data in the y-axes, making it easier to identify trends in the graphs. You need to conform to the AXChart protocol by implementing the accessibilityChartDescriptor property. Documentation: https://developer.apple.com/documentation/accessibility/audio-graphs WWDC21 session: https://developer.apple.com/videos/play/wwdc2021/10122/
Potential benefits from grouping logical pieces of information and moving buttons to custom actions: reduce redundancy (by removing repetitive controls) and reduce cognitive load (by making easier to know what item will be affected by each action)
