The Accessibility Inspector has a Notifications log that you can find in Window, in its top menu, and then Show Notifications. It shows accessibility-related notifications like layout changed, screen changed, or announcements...
I learned about this feature from the Accessibility Inspector in this article by @basthomas. A very recommended read to learn all about the Verifying VoiceOver with the Accessibility Inspector.
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The Accessibility Inspector let’s you run an audit of the current screen in your simulator or device. It can find some basic issues like color contrast issues, touch target sizes that are too small, etc. It can also provide with fix suggestions.
When implementing a UISlider, it is a good idea to consider how much the slider value should change when swiping up/down to adjust it. It might not always make sense to do it in 10% increments, which is the default behaviour. Could be because the value at those intervals doesn't make sense, or feel random, or because it wouldn't provide the user with a fine enough control being able to go through the whole slider in just 10 swipes. It user will still be able to adjust the slider to any value by double tapping and holding and then moving the finger left or right, bypassing VoiceOver gestures. VoiceOver announces the new value as it changes.
When configuring a largeContentImage or adjustsImageSizeForAccessibilityContentSizeCategory, it is important to use a pdf asset and preserve the vector data so the icons are crisp at any size.
