diff --git a/CHANGELOG.md b/CHANGELOG.md
index bad7958a100..7a8e363884e 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -22,10 +22,14 @@
    
   The `within expression` enables checking whether a feature is inside a pre-defined geometry set/boundary or not. This `within expression` returns a boolean value, `true` indicates that the feature being evaluated is inside the geometry set. The returned value can be then consumed as input by another expression or used directly by a paint/layer property.
  
-  Support for using `within expression` with layout propery will be implemented separately.
+  Support for using `within expression` with layout property will be implemented separately.
 
-- [core] Add support for using `within expression` with layout propery. ([#16194](https://github.com/mapbox/mapbox-gl-native/pull/16194))
+- [core] Add support for using `within expression` with layout property. ([#16194](https://github.com/mapbox/mapbox-gl-native/pull/16194))
 
+- [core] Add support for `in expression`. ([#16162](https://github.com/mapbox/mapbox-gl-native/pull/16162))
+   
+  The `in expression` enables checking whether a Number/String/Boolean type needle is in a String/Array and returns a boolean value.
+ 
 ### 🏁 Performance improvements
 
  - [core] Loading images to style optimization ([#16187](https://github.com/mapbox/mapbox-gl-native/pull/16187))
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 6bc931c7655..8e5f24ffc13 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -175,6 +175,7 @@ add_library(
     ${PROJECT_SOURCE_DIR}/include/mbgl/style/expression/get_covering_stops.hpp
     ${PROJECT_SOURCE_DIR}/include/mbgl/style/expression/image.hpp
     ${PROJECT_SOURCE_DIR}/include/mbgl/style/expression/image_expression.hpp
+    ${PROJECT_SOURCE_DIR}/include/mbgl/style/expression/in.hpp
     ${PROJECT_SOURCE_DIR}/include/mbgl/style/expression/interpolate.hpp
     ${PROJECT_SOURCE_DIR}/include/mbgl/style/expression/interpolator.hpp
     ${PROJECT_SOURCE_DIR}/include/mbgl/style/expression/is_constant.hpp