Images should either be decorative or have a proper accessibility label or alt text that describes them. If they're decorative you can make it so they get skipped by assistive tech so it doesn't get in the way of the experience.
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When thinking about accessibility labels and values, it is easy to miss adding information or state that are represented by little visual cues and icons: a checkmark indicating something has been played, a down arrow indicating a downward trend...
An alternative layout for large font sizes can be provided with Auto Layout by having three sets of constraints (common, default constraints, and alternative constraints) and activate/deactivate them depending on the content size category.
If you need to send announcement notifications that can step into each other, they will by default, interrupt ongoing announcements. But you can pass attributed strings as parameters too, letting you specify announcements to be queued.
