diff --git a/ChangeLog.md b/ChangeLog.md
index 15151cd..8cc1b03 100755
--- a/ChangeLog.md
+++ b/ChangeLog.md
@@ -3,6 +3,10 @@ JSON for the XP Framework ChangeLog
 
 ## ?.?.? / ????-??-??
 
+## 5.0.2 / 2022-02-26
+
+* Fixed "Creation of dynamic property" warnings in PHP 8.2 - @thekid
+
 ## 5.0.1 / 2021-10-21
 
 * Fixed PHP 7.0 and 7.1 compatibility: *Call to undefined function
diff --git a/src/main/php/text/json/Format.class.php b/src/main/php/text/json/Format.class.php
index fcad7e3..2177d99 100755
--- a/src/main/php/text/json/Format.class.php
+++ b/src/main/php/text/json/Format.class.php
@@ -13,8 +13,7 @@ abstract class Format implements Value {
   const ESCAPE_ENTITIES = 11;  // JSON_HEX_TAG | JSON_HEX_AMP | JSON_HEX_QUOT
 
   public static $DEFAULT;
-  public $comma;
-  public $colon;
+  public $comma, $colon, $options;
 
   static function __static() {
     self::$DEFAULT= new DenseFormat();
diff --git a/src/main/php/text/json/MultiByteSource.class.php b/src/main/php/text/json/MultiByteSource.class.php
index 03bf5b4..ac2bfbd 100755
--- a/src/main/php/text/json/MultiByteSource.class.php
+++ b/src/main/php/text/json/MultiByteSource.class.php
@@ -4,7 +4,7 @@
 use io\streams\{InputStream, Seekable, Streams};
 
 class MultiByteSource implements InputStream, Seekable {
-  protected $in= null;
+  protected $in, $encoding;
 
   /**
    * Constructor. Creates a new MultiByteSource on an underlying input