Fixed objectEnumerator error when invoking channel change event

CHANGELOG.md

@@ -1,5 +1,8 @@
 # Change Log
 
+### v3.1.21 (Jul 22, 2022)
+* Fixed objectEnumerator error when invoking channel change event
+
 ### v3.1.20 (Jul 20, 2022)
 * Fixed error in console log when invoking channel change event
 

SendBirdSDK.podspec

@@ -1,15 +1,16 @@
 
 Pod::Spec.new do |s|
   s.name         = 'SendBirdSDK'
-  s.version      = "3.1.20"
+  s.version      = "3.1.21"
   s.summary      = 'Sendbird Chat iOS Framework'
   s.description  = 'Messaging and Chat API for Mobile Apps and Websites'
   s.homepage     = 'https://sendbird.com'
   s.license      = 'Commercial'
   s.authors      = {
     'Jed Gyeong' => '[email protected]',
     'Celine Moon' => '[email protected]',
-    'Erenst Hong' => '[email protected]'
+    'Erenst Hong' => '[email protected]',
+    'Pitt Cho' => '[email protected]'
   }
   s.source       = { :git => 'https://github.com/sendbird/sendbird-ios-framework.git', :tag => "v#{s.version}" }
   s.requires_arc = true