Deprecate `img-retina()` mixin (#28072)

diff --git a/scss/mixins/_image.scss b/scss/mixins/_image.scss
index e4e6e81441fe0c02f192ba0d12f4e41ce3380e9e..a76a6082bac749c009ecbf84c17da6d750972009 100644 (file)
--- a/scss/mixins/_image.scss
+++ b/scss/mixins/_image.scss
@@ -32,4 +32,5 @@
     background-image: url($file-2x);
     background-size: $width-1x $height-1x;
   }
+  @include deprecate("`img-retina()`", "v4.3.0", "v5");
 }