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hide icon fonts from screen readers #1007
This is not currently an issue because in my testing, screen readers have not tried to read these specific characters. However, nothing is preventing them from doing so in the future (however unlikely). More to the point: this brings the framework in line with what we are recommending in the main content area.
That being said, there are still some cases where icon font classes are baked into parts of the template that we can't edit without releasing a new major version. See