diff --git a/CHANGELOG.md b/CHANGELOG.md
index 4a7c2ec0a7bc..9e693e39af65 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -35,11 +35,27 @@ ENHANCEMENTS:
 * `azurerm_hdinsight_hadoop_cluster` - add support for the `disk_encryption` property [GH-17351]
 * `azurerm_iothub_dps` - support for the `resource_count`, `parallel_deployments`, and `failure_percentage` properties [GH-18151]
 * `azurerm_kubernetes_node_pool` - spot node pools can now be upgraded [GH-18124]
-* `azurerm_linux_virtual_machine` - add support for missing fields [GH-17571]
-* `azurerm_linux_virtual_machine_scale_set` - add support for missing fields [GH-17571]
+* `azurerm_linux_virtual_machine` - the `source_image_id` property now supports both `Community Gallery Images`, and `Shared Gallery Images` resource IDs [GH-17571]
+* `azurerm_linux_virtual_machine_scale_set` - support for the following properties `host_group_id`, and `extension_operations_enabled` [GH-17571]
+* `azurerm_linux_virtual_machine_scale_set` - support for the `data_disk` block property `name` [GH-17571]
+* `azurerm_linux_virtual_machine_scale_set` - support for the `scale_in` block properties `rule`, and `force_deletion_enabled` [GH-17571]
+* `azurerm_linux_virtual_machine_scale_set` - support for the `rolling_upgrade_policy` block properties `cross_zone_upgrade_enabled`, and `prioritize_unhealthy_instances_enabled`  [GH-17571]
+* `azurerm_linux_virtual_machine_scale_set` - added support for the `spot_restore` block [GH-17571]
+* `azurerm_linux_virtual_machine_scale_set` - support for the `spot_restore` block properties `enabled`, and `timeout` [GH-17571]
+* `azurerm_linux_virtual_machine_scale_set` - support for the `public_ip_address` block property `version` [GH-17571]
+* `azurerm_linux_virtual_machine_scale_set` - the `source_image_id` property now supports both `Community Gallery Images`, and `Shared Gallery Images` resource IDs [GH-17571]
+* `azurerm_linux_virtual_machine_scale_set` - support for the `gallery_applications` code block [GH-17571]
+* `azurerm_linux_virtual_machine_scale_set` - support for the `gallery_applications` block properties `configuration_reference_blob_uri`, `order`, `package_referenceId`, and `tag` [GH-17571]
+* `azurerm_linux_virtual_machine_scale_set` - deprecated the `scale_in_policy` property in favour of the `scale_in` block due to additional fields being added [GH-17571]
+* `azurerm_linux_virtual_machine_scale_set` - support for the `scale_in` block property `rule` [GH-17571]
 * `azurerm_management_group_policy_remediation` - support for the `resource_count`, `parallel_deployments`, and `failure_percentage` properties [GH-17313]
 * `azurerm_monitor_diagnostic_setting` - support for the `category_group` property [GH-16367]
-* `azurerm_orchestrated_virtual_machine_scale_set` - add support for missing fields [GH-17571]
+* `azurerm_orchestrated_virtual_machine_scale_set` - support for the following properties `capacity_reservation_group_id`, `single_placement_group`, and `extension_operations_enabled` [GH-17571]
+* `azurerm_orchestrated_virtual_machine_scale_set` - support for the `extension` block property `suppress_failures_enabled` [GH-17571]
+* `azurerm_orchestrated_virtual_machine_scale_set` - support for the `additional_capabilities` block property `ultra_ssd_enabled` [GH-17571]
+* `azurerm_orchestrated_virtual_machine_scale_set` - support for the `public_ip_address` block properties `version`, and `sku_name` [GH-17571]
+* `azurerm_orchestrated_virtual_machine_scale_set` - support for `linux_configuration`, and `windows_configuration` code blocks property `patch_assessment_mode` [GH-17571]
+* `azurerm_orchestrated_virtual_machine_scale_set` - the `source_image_id` property now supports both `Community Gallery Images`, and `Shared Gallery Images` resource IDs [GH-17571]
 * `azurerm_policy_definition - export the `role_definition_ids` attribute [GH-18043]
 * `azurerm_resource_group_policy_remediation` - support for the `resource_count`, `parallel_deployments`, and `failure_percentage` properties [GH-17313]
 * `azurerm_resource_policy_remediation` - support for the `resource_count`, `parallel_deployments`, and `failure_percentage` properties [GH-17313]
@@ -54,8 +70,19 @@ ENHANCEMENTS:
 * `azurerm_stream_analytics_reference_input_blob` - support for the `authentication_mode` property [GH-18137]
 * `azurerm_stream_analytics_reference_input_mssql` - support for the `table` property [GH-18211]
 * `azurerm_subscription_policy_remediation` - support for the `resource_count`, `parallel_deployments`, and `failure_percentage` properties [GH-17313]
-* `azurerm_windows_virtual_machine` - add support for missing fields [GH-17571]
-* `azurerm_windows_virtual_machine_scale_set` - add support for missing fields [GH-17571]
+* `azurerm_windows_virtual_machine` - the `source_image_id` property now supports both `Community Gallery Images`, and `Shared Gallery Images` resource IDs [GH-17571]
+* `azurerm_windows_virtual_machine_scale_set` - support for the following properties `host_group_id`, and `extension_operations_enabled` [GH-17571]
+* `azurerm_windows_virtual_machine_scale_set` - support for the `data_disk` block property `name` [GH-17571]
+* `azurerm_windows_virtual_machine_scale_set` - support for the `scale_in` block properties `rule`, and `force_deletion_enabled` [GH-17571]
+* `azurerm_windows_virtual_machine_scale_set` - support for the `rolling_upgrade_policy` block properties `cross_zone_upgrade_enabled`, and `prioritize_unhealthy_instances_enabled`  [GH-17571]
+* `azurerm_windows_virtual_machine_scale_set` - added support for the `spot_restore` block [GH-17571]
+* `azurerm_windows_virtual_machine_scale_set` - support for the `spot_restore` block properties `enabled`, and `timeout` [GH-17571]
+* `azurerm_windows_virtual_machine_scale_set` - support for the `public_ip_address` block property `version` [GH-17571]
+* `azurerm_windows_virtual_machine_scale_set` - the `source_image_id` property now supports both `Community Gallery Images`, and `Shared Gallery Images` resource IDs [GH-17571]
+* `azurerm_windows_virtual_machine_scale_set` - support for the `gallery_applications` code block [GH-17571]
+* `azurerm_windows_virtual_machine_scale_set` - support for the `gallery_applications` block properties `configuration_reference_blob_uri`, `order`, `package_referenceId`, and `tag` [GH-17571]
+* `azurerm_windows_virtual_machine_scale_set` - deprecated the `scale_in_policy` property in favour of the `scale_in` block due to additional fields being added [GH-17571]
+* `azurerm_windows_virtual_machine_scale_set` - support for the `scale_in` block property `rule` [GH-17571]
 
 BUG FIXES: