update release note

update sentry settings

account/serializers.py

@@ -86,7 +86,7 @@ class UserProfileSerializer(serializers.ModelSerializer):
 class EditUserSerializer(serializers.Serializer):
     id = serializers.IntegerField()
     username = serializers.CharField(max_length=32)
-    real_name = serializers.CharField(max_length=32, allow_blank=True)
+    real_name = serializers.CharField(max_length=32, allow_blank=True, allow_null=True)
     password = serializers.CharField(min_length=6, allow_blank=True, required=False, default=None)
     email = serializers.EmailField(max_length=64)
     admin_type = serializers.ChoiceField(choices=(AdminType.REGULAR_USER, AdminType.ADMIN, AdminType.SUPER_ADMIN))