diff --git a/CHANGELOG.md b/CHANGELOG.md
index 40f184123..2ed14379c 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,10 @@
 
 ## 1.0.3
 
+### Bug Fixes
+
+- Fix #3842: restore use of `$easing`, `$radius-rounded` and `$speed` Sass variables
+
 ### Documentation Fixes
 
 - Fix #3904, #3884: fix website horizontal overflow
diff --git a/sass/themes/light.scss b/sass/themes/light.scss
index f77958ced..a32299732 100644
--- a/sass/themes/light.scss
+++ b/sass/themes/light.scss
@@ -73,13 +73,13 @@ $scheme-main: hsl(iv.$scheme-h, iv.$scheme-s, $scheme-main-l);
       // Other
       "block-spacing": iv.$block-spacing,
       "duration": 294ms,
-      "easing": ease-out,
+      "easing": iv.$easing,
       "radius-small": iv.$radius-small,
       "radius": iv.$radius,
       "radius-medium": iv.$radius-medium,
       "radius-large": iv.$radius-large,
-      "radius-rounded": 9999px,
-      "speed": 86ms,
+      "radius-rounded": iv.$radius-rounded,
+      "speed": iv.$speed,
 
       "arrow-color": #{cv.getVar("link")},
       "loading-color": #{cv.getVar("border")},