✏ EDIT: 20-unhint-small-vera.conf

<?xml version="1.0"?>
<!DOCTYPE fontconfig SYSTEM "fonts.dtd">
<fontconfig>
  <its:rules xmlns:its="http://www.w3.org/2005/11/its" version="1.0">
    <its:translateRule translate="no" selector="/fontconfig/*[not(self::description)]"/>
  </its:rules>

<description>Disable hinting for Bitstream Vera fonts when the size is less than 8ppem</description>

<match target="font">
		<test name="family" compare="eq" ignore-blanks="true">
			<string>Bitstream Vera Sans</string>
		</test>
		<test name="pixelsize" compare="less">
			<double>7.5</double>
		</test>
		<edit name="hinting">
			<bool>false</bool>
		</edit>
	</match>

<match target="font">
		<test name="family" compare="eq" ignore-blanks="true">
			<string>Bitstream Vera Serif</string>
		</test>
		<test name="pixelsize" compare="less">
			<double>7.5</double>
		</test>
		<edit name="hinting">
			<bool>false</bool>
		</edit>
	</match>

<match target="font">
		<test name="family" compare="eq" ignore-blanks="true">
			<string>Bitstream Vera Sans Mono</string>
		</test>
		<test name="pixelsize" compare="less">
			<double>7.5</double>
		</test>
		<edit name="hinting">
			<bool>false</bool>
		</edit>
	</match>

</fontconfig>

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