MacBook Air M4 just finally solved a keyboard problem after 25 years — here's what's fixed
The keyboard fix, which iCulture first spotted, finally puts a line through the mute icon on the MacBook keyboard. The icon used to be a speaker symbol without the sound waves on ...
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Apple took 26 years to change symbol on the mute key to make sense with MacBook Air M4 keyboard
TL;DR: Apple has updated the mute key on the MacBook Air M4 to feature a speaker symbol with a strikethrough ... it was an oddity with the keyboard, and a slight pitfall for some Mac owners.