diff --git a/src/Alert/index.tsx b/src/Alert/index.tsx
index 9e2ffdde..2c435d48 100644
--- a/src/Alert/index.tsx
+++ b/src/Alert/index.tsx
@@ -15,7 +15,7 @@ interface AlertProps {
   /** Variant of Alert to use */
   kind?: "info" | "error" | "success" | "warn";
   /** Override the default icon of the alert */
-  icon?: IconName | null;
+  icon?: IconName | string | null;
   /** Message content of the Alert */
   children?: React.ReactNode | string;
 }
diff --git a/src/Button/index.tsx b/src/Button/index.tsx
index a65b675d..863dd9e6 100644
--- a/src/Button/index.tsx
+++ b/src/Button/index.tsx
@@ -7,11 +7,11 @@ import type { IconName } from "../types/Icon.types";
 
 interface ButtonProps {
   /** Renders the button label */
-  label: string;
+  label?: string; // must be optional until `children` is removed
   /** style of button to render */
   kind?: "primary" | "secondary" | "tonal" | "negative" | "menu" | "plain";
   /** Click callback, with event object passed as argument */
-  onClick?: (e: React.MouseEvent) => void;
+  onClick?: (e) => void;
   /**
    * The html element to render as the root node of `Button`.
    *
diff --git a/src/ContentCard/index.tsx b/src/ContentCard/index.tsx
index e1b4877a..29e49e3c 100644
--- a/src/ContentCard/index.tsx
+++ b/src/ContentCard/index.tsx
@@ -34,7 +34,7 @@ interface ContentCardProps {
    * Amount of border radius to add on all sides of card.
    */
   radiusSize?: "s" | "m" | "l";
-  onClick?: () => void;
+  onClick?: (e: React.MouseEvent | React.KeyboardEvent) => void;
   /**
    * Only applicable for `toggle` type.
    * Renders card in visually selected state with appropriate attributes.
@@ -70,11 +70,12 @@ const ContentCard = ({
       props.role = "button";
       props.onClick = onClick;
       props.tabIndex = "0";
-      props.onKeyUp = ({ key }) => {
+      props.onKeyUp = (e) => {
+        const { key } = e;
         // space and Enter should be accepted for both
         // toggle and button types
         if (key === "Enter" || key === " ") {
-          onClick();
+          onClick(e);
         }
       };
     }
diff --git a/src/Dialog/index.tsx b/src/Dialog/index.tsx
index 3a2fda3c..648fcbef 100644
--- a/src/Dialog/index.tsx
+++ b/src/Dialog/index.tsx
@@ -29,7 +29,7 @@ export interface DialogProps {
   /** Scrollable contents of the Dialog */
   children: React.ReactNode;
   /** Heading in the top of the Dialog */
-  title: string;
+  title?: string;
   /** Optional notification content to render pinned under the header */
   notification?: React.ReactNode;
   /** Contents of Dialog footer, typically reserved for action buttons */
@@ -42,7 +42,7 @@ export interface DialogProps {
    * Callback to handle user taking an action to dismiss the modal
    * (click outside, Escape key, click close button)
    */
-  onUserDismiss: () => void;
+  onUserDismiss?: () => void;
   /**
    * Sets a custom modal width.
    * Use the full CSS value with the unit (e.g. "400px")
@@ -50,6 +50,7 @@ export interface DialogProps {
   width?: string;
   /** Optional value for `data-testid` attribute */
   testId?: string;
+  id?: string;
 }
 
 /**
@@ -61,7 +62,7 @@ export interface DialogProps {
 const Dialog = ({
   isOpen = false,
   onUserDismiss = noop,
-  title,
+  title = "",
   headerStyle = "bordered",
   children,
   notification,
diff --git a/src/RadioButtons/index.tsx b/src/RadioButtons/index.tsx
index 283412c8..e40d3df2 100644
--- a/src/RadioButtons/index.tsx
+++ b/src/RadioButtons/index.tsx
@@ -2,16 +2,10 @@ import React, { useState, useEffect } from "react";
 import cc from "classcat";
 import Error from "../Error";
 
-type OptionType =
-  | {
-      value: string;
-      details?: string;
-    }
-  | string;
-
 interface RadioButtonsProps {
   /** Map of label strings to input values
    *
+   * TODO: restore this type when we can do it in a non-breaking way
    * ```
    * type OptionType = {
    *       value: string;
@@ -20,7 +14,7 @@ interface RadioButtonsProps {
    *   | string;
    * ```
    * */
-  options: Record<string, OptionType>;
+  options?: object;
   /** name of radiogroup */
   name: string;
   /** initially selected option by input value (uncontrolled) */