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Bug
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    Resolution: Done
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P2: Important
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    5.12.3
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    macOS 10.14.4
 
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        b5154b5254950427383c96a382457fa0bb87e69e (qt/qtbase/5.12)
 
When some emojis are used in a Text field with the font set to be AllUppercase then it will fail to render the emoji. This effects Qt Quick Controls 2 as that will set AllUppercase by default for Buttons in the Material style so it is not enough to just not use it in this case to avoid the issue.