fontra
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 <h1>Changelog for Fontra</h1>
+<h2>2025-07-25</h2>
+<ul>
+<li>Add "inline calculator" functionality to the metrics fields in the selection info panel. Expressions evaluate to a concrete value once you type enter or leave the field. <a href="https://github.com/googlefonts/fontra/issues/2236">Issue 2236</a>, <a href="https://github.com/googlefonts/fontra/pull/2237">PR 2237</a> Quick rundown:<ul>
+<li>It supports most common operators and parentheses, for example <code>10 * (5 + 3) / 2</code>.</li>
+<li>It allows to use glyph names as variable names, to refer to the metric value for that glyph. For example, if you type <code>E</code> in the advance width field, it will take the advance width of the <code>E</code> glyph and put that in the field. Likewise, if you type <code>E</code> in the left sidebearing field, it will put the left sidebearing value from the <code>E</code> glyph in the field.</li>
+<li>Glyph names can also be used as part of an expression, for example <code>E + 10</code>.</li>
+<li>There is a special notation for the <em>opposite</em> sidebearing, by adding a <code>!</code> to the glyph name: if in the <em>left</em> sidebearing field you use <code>E!</code> in the expression, it will take the <em>right</em> sidebearing from <code>E</code>.</li>
+</ul>
+</li>
+</ul>
 <h2>2025-07-24</h2>
 <ul>
 <li>Read/write guideline.locked flags from/to UFO. <a href="https://github.com/googlefonts/fontra/issues/1390">Issue 1390</a>, <a href="https://github.com/googlefonts/fontra/pull/2235">PR 2235</a></li>