Ensure configured font-feature-settings for mono are included in Preflight (#12342)

* Use the default font-feature-settings for mono

* Update changelog

* Update tests

---------

Co-authored-by: Jordan Pittman <jordan@cryptica.me>

Author: tombl

CHANGELOG.md

@@ -16,6 +16,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - [Oxide] Fix source maps issue resulting in a crash ([#11319](https://github.com/tailwindlabs/tailwindcss/pull/11319))
 - [Oxide] Fallback to RegEx based parser when using custom transformers or extractors ([#11335](https://github.com/tailwindlabs/tailwindcss/pull/11335))
 - [Oxide] Bump `lightningcss` and reflect related improvements in tests ([#11550](https://github.com/tailwindlabs/tailwindcss/pull/11550))
+- Ensure configured `font-feature-settings` for `mono` are included in Preflight ([#12342](https://github.com/tailwindlabs/tailwindcss/pull/12342))
 
 ### Added
 

src/css/preflight.css

@@ -102,16 +102,20 @@ strong {
 }
 
 /*
-1. Use the user's configured `mono` font family by default.
-2. Correct the odd `em` font sizing in all browsers.
+1. Use the user's configured `mono` font-family by default.
+2. Use the user's configured `mono` font-feature-settings by default.
+3. Use the user's configured `mono` font-variation-settings by default.
+4. Correct the odd `em` font sizing in all browsers.
 */
 
 code,
 kbd,
 samp,
 pre {
   font-family: theme('fontFamily.mono', ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace); /* 1 */
-  font-size: 1em; /* 2 */
+  font-feature-settings: theme('fontFamily.mono[1].fontFeatureSettings', normal); /* 2 */
+  font-variation-settings: theme('fontFamily.mono[1].fontVariationSettings', normal); /* 3 */
+  font-size: 1em; /* 4 */
 }
 
 /*

tests/plugins/__snapshots__/preflight.test.js.snap

@@ -53,6 +53,8 @@ b, strong {
 }
 
 code, kbd, samp, pre {
+  font-feature-settings: normal;
+  font-variation-settings: normal;
   font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, Liberation Mono, Courier New, monospace;
   font-size: 1em;
 }
@@ -251,6 +253,8 @@ b, strong {
 }
 
 code, kbd, samp, pre {
+  font-feature-settings: normal;
+  font-variation-settings: normal;
   font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, Liberation Mono, Courier New, monospace;
   font-size: 1em;
 }