diff --git a/types/azdata/azdata-tests.ts b/types/azdata/azdata-tests.ts
index 2bb0fed50f13db..4d3819084e1828 100644
--- a/types/azdata/azdata-tests.ts
+++ b/types/azdata/azdata-tests.ts
@@ -124,3 +124,19 @@ const account: azdata.Account = {
 };
 
 azdata.accounts.getAccountSecurityToken(account, 'tenant-id', azdata.AzureResource.Custom);
+
+const connectionProfile: azdata.connection.ConnectionProfile = {
+    providerId: 'MyProvider',
+    connectionId: 'MyConnectionId',
+    connectionName: 'MyConnectionName',
+    serverName: 'MyServerName',
+    databaseName: 'MyDatabaseName',
+    userName: 'MyUsername',
+    password: 'MyPassword',
+    authenticationType: azdata.connection.AuthenticationType.SqlLogin,
+    savePassword: false,
+    groupFullName: 'MyGroupFullName',
+    groupId: 'MyGroupId',
+    saveProfile: false,
+    options: {}
+};
diff --git a/types/azdata/index.d.ts b/types/azdata/index.d.ts
index c4c056d4aaedc0..a74ab59aadd813 100644
--- a/types/azdata/index.d.ts
+++ b/types/azdata/index.d.ts
@@ -1,4 +1,4 @@
-// Type definitions for Azure Data Studio 1.42
+// Type definitions for Azure Data Studio 1.43
 // Project: https://github.com/microsoft/azuredatastudio
 // Definitions by: Charles Gagnon <https://github.com/Charles-Gagnon>
 //                 Alan Ren: <https://github.com/alanrenmsft>
@@ -13,7 +13,7 @@
  *--------------------------------------------------------------------------------------------*/
 
 /**
- * Type Definition for Azure Data Studio 1.42 Extension API
+ * Type Definition for Azure Data Studio 1.43 Extension API
  * See https://docs.microsoft.com/sql/azure-data-studio/extensibility-apis for more information
  */
 
@@ -25,6 +25,22 @@ declare module 'azdata' {
      */
     export const version: string;
 
+    export namespace env {
+        /**
+         * Well-known app quality values
+         */
+        export enum AppQuality {
+            stable = 'stable',
+            insider = 'insider',
+            dev = 'dev'
+        }
+
+        /**
+         * The version of Azure Data Studio this is currently running as - such as `stable`, or `insider`
+         */
+        export const quality: AppQuality | string | undefined;
+    }
+
     // EXPORTED NAMESPACES /////////////////////////////////////////////////
     /**
      * Namespace for Data Management Protocol global methods
@@ -106,6 +122,36 @@ declare module 'azdata' {
      * Namespace for connection management
      */
     export namespace connection {
+        /**
+         * Well-known Authentication types commonly supported by connection providers.
+         */
+        export enum AuthenticationType {
+            /**
+             * Username and password
+             */
+            SqlLogin = 'SqlLogin',
+            /**
+             * Windows Authentication
+             */
+            Integrated = 'Integrated',
+            /**
+             * Azure Active Directory - Universal with MFA support
+             */
+            AzureMFA = 'AzureMFA',
+            /**
+             * Azure Active Directory - Password
+             */
+            AzureMFAAndUser = 'AzureMFAAndUser',
+            /**
+             * Datacenter Security Token Service Authentication
+             */
+            DSTSAuth = 'dstsAuth',
+            /**
+             * No authentication required
+             */
+            None = 'None'
+        }
+
         /**
          * Connection profile primary class
          */
@@ -117,7 +163,7 @@ declare module 'azdata' {
             databaseName: string;
             userName: string;
             password: string;
-            authenticationType: string;
+            authenticationType: string | AuthenticationType;
             savePassword: boolean;
             groupFullName: string;
             groupId: string;
@@ -322,7 +368,7 @@ declare module 'azdata' {
             /**
              * Get the parent node. Returns undefined if there is none.
              */
-            getParent(): Thenable<ObjectExplorerNode>;
+            getParent(): Thenable<ObjectExplorerNode | undefined>;
 
             /**
              * Refresh the node, expanding it if it has children
@@ -384,7 +430,10 @@ declare module 'azdata' {
         databaseName?: string | undefined;
         userName: string;
         password: string;
-        authenticationType: string;
+        /**
+         * The type of authentication to use when connecting
+         */
+        authenticationType: string | connection.AuthenticationType;
         savePassword: boolean;
         groupFullName?: string | undefined;
         groupId?: string | undefined;
@@ -1961,8 +2010,8 @@ declare module 'azdata' {
 
         // Proxy management methods
         getProxies(ownerUri: string): Thenable<AgentProxiesResult>;
-        createProxy(ownerUri: string, proxyInfo: AgentProxyInfo): Thenable<CreateAgentOperatorResult>;
-        updateProxy(ownerUri: string, originalProxyName: string, proxyInfo: AgentProxyInfo): Thenable<UpdateAgentOperatorResult>;
+        createProxy(ownerUri: string, proxyInfo: AgentProxyInfo): Thenable<CreateAgentProxyResult>;
+        updateProxy(ownerUri: string, originalProxyName: string, proxyInfo: AgentProxyInfo): Thenable<UpdateAgentProxyResult>;
         deleteProxy(ownerUri: string, proxyInfo: AgentProxyInfo): Thenable<ResultStatus>;
 
         // Credential method
@@ -2999,6 +3048,11 @@ declare module 'azdata' {
     export interface ContainerBuilder<TComponent extends Component, TLayout, TItemLayout, TPropertyBag extends ContainerProperties> extends ComponentBuilder<TComponent, TPropertyBag> {
         withLayout(layout: TLayout): ContainerBuilder<TComponent, TLayout, TItemLayout, TPropertyBag>;
         withItems(components: Array<Component>, itemLayout?: TItemLayout): ContainerBuilder<TComponent, TLayout, TItemLayout, TPropertyBag>;
+        /**
+         * Sets the initial set of properties for the container being created
+         * @param properties The properties to apply to the container
+         */
+        withProps(properties: TPropertyBag): ContainerBuilder<TComponent, TLayout, TItemLayout, TPropertyBag>;
     }
 
     export interface FlexBuilder extends ContainerBuilder<FlexContainer, FlexLayout, FlexItemLayout, ContainerProperties> {
@@ -3586,9 +3640,14 @@ declare module 'azdata' {
         title?: string | undefined;
     }
 
+    /**
+     * Supported values for aria-live accessibility attribute
+     */
+    export type AriaLiveValue = 'polite' | 'assertive' | 'off';
+
     export interface InputBoxProperties extends ComponentProperties {
         value?: string | undefined;
-        ariaLive?: string | undefined;
+        ariaLive?: AriaLiveValue | undefined;
         placeHolder?: string | undefined;
         inputType?: InputBoxInputType | undefined;
         required?: boolean | undefined;
@@ -4180,6 +4239,10 @@ declare module 'azdata' {
     export interface TableComponent extends Component, TableComponentProperties {
         onRowSelected: vscode.Event<any>;
         onCellAction?: vscode.Event<ICellActionEventArgs> | undefined;
+        /**
+         * Append data to the existing table data.
+         */
+        appendData(data: any[][]): Thenable<void>;
     }
 
     export interface FileBrowserTreeComponent extends Component, FileBrowserTreeProperties {
@@ -4940,7 +5003,7 @@ declare module 'azdata' {
              * Set the informational message shown in the dialog. Hidden when the message is
              * undefined or the text is empty or undefined. The default level is error.
              */
-            message: DialogMessage;
+            message?: DialogMessage;
 
             /**
              * Set the dialog name when opening
@@ -5239,9 +5302,41 @@ declare module 'azdata' {
             | 'executionPlan'
             | 'visualize';
 
+        /**
+         * A message sent during the execution of a query
+         */
+        export interface QueryMessage {
+            /**
+             * The message string
+             */
+            message: string;
+            /**
+             * Whether this message is an error message or not
+             */
+            isError: boolean;
+            /**
+             * The timestamp for when this message was sent
+             */
+            time?: string;
+        }
+
+        /**
+         * Information about a query that was executed
+         */
+        export interface QueryInfo {
+            /**
+             * Any messages that have been received from the query provider
+             */
+            messages: QueryMessage[];
+            /**
+             * The ranges for each batch that has executed so far
+             */
+            batchRanges: vscode.Range[];
+        }
+
         export interface QueryEventListener {
             /**
-             * A callback that is called whenever a query event occurs
+             * An event that is fired for query events
              * @param type The type of query event
              * @param document The document this event was sent by
              * @param args The extra information for the event, if any
@@ -5250,8 +5345,9 @@ declare module 'azdata' {
              * queryStop: undefined
              * executionPlan: string (the plan itself)
              * visualize: ResultSetSummary (the result set to be visualized)
+             * @param queryInfo The information about the query that triggered this event
              */
-            onQueryEvent(type: QueryEventType, document: QueryDocument, args: ResultSetSummary | string | undefined): void;
+            onQueryEvent(type: QueryEventType, document: QueryDocument, args: ResultSetSummary | string | undefined, queryInfo: QueryInfo): void;
         }
 
         export interface QueryDocument {