diff --git a/components/lib/MultiColumnList/MultiColumnList.d.ts b/components/lib/MultiColumnList/MultiColumnList.d.ts
index b34abd3..c76c830 100644
--- a/components/lib/MultiColumnList/MultiColumnList.d.ts
+++ b/components/lib/MultiColumnList/MultiColumnList.d.ts
@@ -25,10 +25,7 @@ export interface PositionObject {
 
 export type PagingType = 'click' | 'none' | 'prev-next' | 'scroll';
 
-export interface MultiColumnListBaseProps<
-  DataShape,
-  OmittedColumns extends string
-> {
+export interface MultiColumnListBaseProps<DataShape, OmittedColumns extends string> {
   /** If the list should fill the containing element (e.g. filling the full width/height of a pane) */
   autosize?: boolean;
   /**
@@ -47,20 +44,15 @@ export interface MultiColumnListBaseProps<
   /** The list's data */
   contentData: DataShape[];
   /** Custom functions that render the nodes for each column */
-  formatter?: Record<
-    keyof Omit<DataShape, OmittedColumns>,
-    (item: DataShape) => ReactNode
-  >;
+  formatter?: Record<keyof Omit<DataShape, OmittedColumns>, (item: DataShape) => ReactNode>;
   /** Replaces the default classes with the result of this function */
   getCellClass?: (
     defaultClasses: string,
     rowData: DataShape,
-    header: keyof Omit<DataShape, OmittedColumns>
+    header: keyof Omit<DataShape, OmittedColumns>,
   ) => string;
   /** Adds additional classes to the default header's classes */
-  getHeaderCellClass?: (
-    columnName: keyof Omit<DataShape, OmittedColumns>
-  ) => string;
+  getHeaderCellClass?: (columnName: keyof Omit<DataShape, OmittedColumns>) => string;
   /** Replaces the default row container classes with the result of this function */
   getRowContainerClass?: (defaultClasses: string) => string;
   /** Adds horizontal margin to the rows and header */
@@ -123,6 +115,10 @@ export interface MultiColumnListBaseProps<
   sortDirection?: 'ascending' | 'descending';
   /** The column being styled as sorted */
   sortedColumn?: keyof Omit<DataShape, OmittedColumns>;
+  /** Pins the first column in place so that it will remain visible when scrolled out of view. */
+  stickyFirstColumn?: boolean;
+  /** Pins the last column in place so that it will remain visible when scrolled out of view. */
+  stickyLastColumn?: boolean;
   /** If alternating rows should have different colors, resulting in a striped appearance */
   striped?: boolean;
   /** The total number of rows, for virtualization or pagination */
@@ -141,7 +137,7 @@ export interface MultiColumnListBaseProps<
   /** Callback for when a column is clicked */
   onHeaderClick?: (
     e: MouseEvent,
-    meta: { name: keyof Omit<DataShape, OmittedColumns>; alias: ReactNode }
+    meta: { name: keyof Omit<DataShape, OmittedColumns>; alias: ReactNode },
   ) => void;
 }
 
@@ -175,7 +171,7 @@ export type MultiColumnListMarkProps = RequireAllOrNone<
 
 export type MultiColumnListProps<
   DataShape,
-  OmittedColumns extends string
+  OmittedColumns extends string,
 > = MultiColumnListBaseProps<DataShape, OmittedColumns> &
   MultiColumnListPagingTypes &
   MultiColumnListMarkProps;
@@ -204,5 +200,5 @@ export type MultiColumnListProps<
  */
 export default class MultiColumnList<
   DataShape,
-  OmittedColumns extends string = ''
+  OmittedColumns extends string = '',
 > extends Component<MultiColumnListProps<DataShape, OmittedColumns>> {}
diff --git a/components/lib/Pane/Pane.d.ts b/components/lib/Pane/Pane.d.ts
index cd50555..03a0131 100644
--- a/components/lib/Pane/Pane.d.ts
+++ b/components/lib/Pane/Pane.d.ts
@@ -1,11 +1,4 @@
-import {
-  AriaAttributes,
-  Component,
-  CSSProperties,
-  ElementType,
-  ReactNode,
-  RefObject,
-} from 'react';
+import { AriaAttributes, Component, CSSProperties, ElementType, ReactNode, Ref } from 'react';
 import { SetOptional } from 'type-fest';
 import { PaneHeaderDefaultProps } from '../PaneHeader/PaneHeader';
 
@@ -72,10 +65,7 @@ export interface PaneProps extends AriaAttributes {
    */
   onClose?: () => void;
   /** Callback for when the pane is mounted */
-  onMount?: (args: {
-    paneRef: RefObject<HTMLElement>;
-    paneTitleRef: RefObject<HTMLDivElement>;
-  }) => void;
+  onMount?: (args: { paneRef: Ref<HTMLElement>; paneTitleRef: Ref<HTMLDivElement> }) => void;
   /** If the pane's contents should be padded */
   padContent?: boolean;
   /**
@@ -114,7 +104,7 @@ export interface PaneProps extends AriaAttributes {
       | 'dismissible'
       | 'onClose'
       | 'id'
-    >
+    >,
   ) => ReactNode;
   /** Render something immediately beneath the main pane header (likely a <PaneSubheader>) */
   subheader?: ReactNode;
diff --git a/components/lib/PaneHeader/PaneHeader.d.ts b/components/lib/PaneHeader/PaneHeader.d.ts
index 1bf67ca..b6de387 100644
--- a/components/lib/PaneHeader/PaneHeader.d.ts
+++ b/components/lib/PaneHeader/PaneHeader.d.ts
@@ -1,4 +1,4 @@
-import { FunctionComponent, ReactNode, RefObject } from 'react';
+import { FunctionComponent, ReactNode, Ref } from 'react';
 import { DropdownMenuFunction } from '../Dropdown/Dropdown';
 
 export interface PaneHeaderDefaultProps {
@@ -40,7 +40,7 @@ export interface PaneHeaderDefaultProps {
   /** If the title should be auto focused on mount */
   paneTitleAutoFocus?: boolean;
   /** A reference to the header of the pane */
-  paneTitleRef?: RefObject<HTMLDivElement>;
+  paneTitleRef?: Ref<HTMLDivElement>;
 }
 
 export interface PaneHeaderOverriddenProps {
@@ -48,9 +48,7 @@ export interface PaneHeaderOverriddenProps {
   header: ReactNode;
 }
 
-export type PaneHeaderProps =
-  | PaneHeaderDefaultProps
-  | PaneHeaderOverriddenProps;
+export type PaneHeaderProps = PaneHeaderDefaultProps | PaneHeaderOverriddenProps;
 
 /**
  * A pane's header