diff --git a/troposphere/cognito.py b/troposphere/cognito.py
index 1002c86eb..39575cd67 100644
--- a/troposphere/cognito.py
+++ b/troposphere/cognito.py
@@ -463,6 +463,8 @@ class UserPool(AWSObject):
         "AutoVerifiedAttributes": ([str], False),
         "DeletionProtection": (str, False),
         "DeviceConfiguration": (DeviceConfiguration, False),
+        "EmailAuthenticationMessage": (str, False),
+        "EmailAuthenticationSubject": (str, False),
         "EmailConfiguration": (EmailConfiguration, False),
         "EmailVerificationMessage": (str, False),
         "EmailVerificationSubject": (str, False),
diff --git a/troposphere/ec2.py b/troposphere/ec2.py
index c7a9424f5..b6af235a4 100644
--- a/troposphere/ec2.py
+++ b/troposphere/ec2.py
@@ -2511,6 +2511,7 @@ class TransitGateway(AWSObject):
         "DnsSupport": (str, False),
         "MulticastSupport": (str, False),
         "PropagationDefaultRouteTableId": (str, False),
+        "SecurityGroupReferencingSupport": (str, False),
         "Tags": (validate_tags_or_list, False),
         "TransitGatewayCidrBlocks": ([str], False),
         "VpnEcmpSupport": (str, False),
@@ -2526,6 +2527,7 @@ class Options(AWSProperty):
         "ApplianceModeSupport": (str, False),
         "DnsSupport": (str, False),
         "Ipv6Support": (str, False),
+        "SecurityGroupReferencingSupport": (str, False),
     }
 
 
diff --git a/troposphere/eks.py b/troposphere/eks.py
index b22b42765..1a41c5caa 100644
--- a/troposphere/eks.py
+++ b/troposphere/eks.py
@@ -211,6 +211,16 @@ class UpgradePolicy(AWSProperty):
     }
 
 
+class ZonalShiftConfig(AWSProperty):
+    """
+    `ZonalShiftConfig <http://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/aws-properties-eks-cluster-zonalshiftconfig.html>`__
+    """
+
+    props: PropsDictType = {
+        "Enabled": (boolean, False),
+    }
+
+
 class Cluster(AWSObject):
     """
     `Cluster <http://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/aws-resource-eks-cluster.html>`__
@@ -231,6 +241,7 @@ class Cluster(AWSObject):
         "Tags": (Tags, False),
         "UpgradePolicy": (UpgradePolicy, False),
         "Version": (str, False),
+        "ZonalShiftConfig": (ZonalShiftConfig, False),
     }
 
 
diff --git a/troposphere/sagemaker.py b/troposphere/sagemaker.py
index ac6ee03e8..ff332515e 100644
--- a/troposphere/sagemaker.py
+++ b/troposphere/sagemaker.py
@@ -1308,6 +1308,7 @@ class ImageVersion(AWSObject):
         "ProgrammingLang": (str, False),
         "ReleaseNotes": (str, False),
         "VendorGuidance": (str, False),
+        "Version": (integer, False),
     }
 
 
diff --git a/troposphere/ses.py b/troposphere/ses.py
index fd284844d..bfb5d3f81 100644
--- a/troposphere/ses.py
+++ b/troposphere/ses.py
@@ -590,7 +590,8 @@ class RuleStringToEvaluate(AWSProperty):
     """
 
     props: PropsDictType = {
-        "Attribute": (str, True),
+        "Attribute": (str, False),
+        "MimeHeaderAttribute": (str, False),
     }
 
 
diff --git a/troposphere/workspacesweb.py b/troposphere/workspacesweb.py
index ad0b161e8..47c712db6 100644
--- a/troposphere/workspacesweb.py
+++ b/troposphere/workspacesweb.py
@@ -37,6 +37,7 @@ class IdentityProvider(AWSObject):
         "IdentityProviderName": (str, True),
         "IdentityProviderType": (str, True),
         "PortalArn": (str, False),
+        "Tags": (Tags, False),
     }