Merge remote-tracking branch 'origin/8.x' into 8.x

Author: taylorotwell

CHANGELOG-6.x.md

@@ -1,6 +1,12 @@
 # Release Notes for 6.x
 
-## [Unreleased](https://github.com/laravel/framework/compare/v6.20.23...6.x)
+## [Unreleased](https://github.com/laravel/framework/compare/v6.20.24...6.x)
+
+
+## [v6.20.24 (2021-04-20)](https://github.com/laravel/framework/compare/v6.20.23...v6.20.24)
+
+### Fixed
+- Fixed required_if boolean validation ([#36969](https://github.com/laravel/framework/pull/36969))
 
 
 ## [v6.20.23 (2021-04-13)](https://github.com/laravel/framework/compare/v6.20.22...v6.20.23)

src/Illuminate/Collections/Traits/EnumeratesValues.php

@@ -753,13 +753,7 @@ public function reduce(callable $callback, $initial = null)
      */
     public function reduceWithKeys(callable $callback, $initial = null)
     {
-        $result = $initial;
-
-        foreach ($this as $key => $value) {
-            $result = $callback($result, $value, $key);
-        }
-
-        return $result;
+        return $this->reduce($callback, $initial);
     }
 
     /**