diff --git a/packages/animation/src/types/propTypes.ts b/packages/animation/src/types/propTypes.ts
index a2bac27d410b..e4752f40613a 100644
--- a/packages/animation/src/types/propTypes.ts
+++ b/packages/animation/src/types/propTypes.ts
@@ -52,7 +52,7 @@ export const GeneralAnimationPropTypes = {
 
 export const AnimationProps = {
   id: PropTypes.string.isRequired,
-  type: PropTypes.oneOf([...Object.values(AnimationType)]),
+  type: PropTypes.oneOf(Object.values(AnimationType)),
   targets: PropTypes.arrayOf(PropTypes.string),
   ...GeneralAnimationPropTypes,
 };
diff --git a/packages/design-system/src/components/dropDown/stories/index.js b/packages/design-system/src/components/dropDown/stories/index.js
index b5f1b176dc6d..cfd1f114ebf6 100644
--- a/packages/design-system/src/components/dropDown/stories/index.js
+++ b/packages/design-system/src/components/dropDown/stories/index.js
@@ -150,7 +150,7 @@ export const LightTheme = {
   },
 };
 
-const shortenedOptions = [...basicDropDownOptions.slice(0, 3)];
+const shortenedOptions = basicDropDownOptions.slice(0, 3);
 
 export const ShortMenu = {
   render: function Render({ onMenuItemClick, ...args }) {
diff --git a/packages/story-editor/src/app/helpCenter/useHelpCenterReducer.ts b/packages/story-editor/src/app/helpCenter/useHelpCenterReducer.ts
index ac2f71a72636..e084e02249f9 100644
--- a/packages/story-editor/src/app/helpCenter/useHelpCenterReducer.ts
+++ b/packages/story-editor/src/app/helpCenter/useHelpCenterReducer.ts
@@ -182,7 +182,7 @@ export const getInitial = (
       (payload: Pick<HelpCenterState, 'readTips'>) =>
       (state: HelpCenterState) => ({
         readTips: {
-          ...(payload?.readTips ?? {}),
+          ...payload?.readTips,
           ...state.readTips,
         },
         isHydrated: true,
diff --git a/packages/story-editor/src/components/canvas/mediaCaptions/cue.js b/packages/story-editor/src/components/canvas/mediaCaptions/cue.js
index 9baaa6cf88da..a1a6f847c409 100644
--- a/packages/story-editor/src/components/canvas/mediaCaptions/cue.js
+++ b/packages/story-editor/src/components/canvas/mediaCaptions/cue.js
@@ -58,7 +58,7 @@ function Cue({ cue, videoTime, height }) {
   return (
     <CueWrapper $height={height}>
       <Section>
-        {[...html.childNodes].map((node) => {
+        {html.childNodes.map((node) => {
           if (node.target === 'timestamp') {
             return null;
           } else {
diff --git a/packages/story-editor/src/components/canvas/test/_utils.js b/packages/story-editor/src/components/canvas/test/_utils.js
index fcb97e33e5cb..4e3f65fb10d3 100644
--- a/packages/story-editor/src/components/canvas/test/_utils.js
+++ b/packages/story-editor/src/components/canvas/test/_utils.js
@@ -75,7 +75,7 @@ export function TestFrameElement({
       selectedElementIds: [],
       ...(inputStoryContext && inputStoryContext.state),
       currentPage: {
-        ...(inputStoryContext.state?.currentPage || {}),
+        ...inputStoryContext.state?.currentPage,
         elements: [
           element,
           ...(inputStoryContext.state?.currentPage?.elements || []),
diff --git a/packages/story-editor/src/components/colorPicker/test/colorPicker/colorInteraction.js b/packages/story-editor/src/components/colorPicker/test/colorPicker/colorInteraction.js
index e66ff0578dbe..a7a81b538f1a 100644
--- a/packages/story-editor/src/components/colorPicker/test/colorPicker/colorInteraction.js
+++ b/packages/story-editor/src/components/colorPicker/test/colorPicker/colorInteraction.js
@@ -65,7 +65,8 @@ function arrange(extraStylePresets, extraStateProps, extraStoryPresets) {
       ...extraStateProps,
       story: {
         globalStoryStyles: {
-          ...{ colors: [], textStyles: [] },
+          colors: [],
+          textStyles: [],
           ...extraStylePresets,
         },
         currentStoryStyles: {
diff --git a/packages/story-editor/src/components/colorPicker/useDeleteColor.js b/packages/story-editor/src/components/colorPicker/useDeleteColor.js
index b3527eb0628e..334a6cdd08ad 100644
--- a/packages/story-editor/src/components/colorPicker/useDeleteColor.js
+++ b/packages/story-editor/src/components/colorPicker/useDeleteColor.js
@@ -50,7 +50,7 @@ function useDeleteColor({ onEmpty = noop }) {
       updateStory({
         properties: {
           globalStoryStyles: {
-            ...(globalStoryStyles || {}),
+            ...globalStoryStyles,
             colors: updatedColors,
           },
         },
diff --git a/packages/story-editor/src/components/form/filterToggle/stories/index.js b/packages/story-editor/src/components/form/filterToggle/stories/index.js
index b45283189313..41c902a29c63 100644
--- a/packages/story-editor/src/components/form/filterToggle/stories/index.js
+++ b/packages/story-editor/src/components/form/filterToggle/stories/index.js
@@ -92,8 +92,8 @@ export const _default = {
         {filters.map(({ value: toggleValue, ...rest }) => {
           return (
             <FilterToggle
-              {...rest}
               key={toggleValue}
+              {...rest}
               isToggled={toggleValue === value}
               onClick={() => setValue(toggleValue)}
             >
diff --git a/packages/story-editor/src/components/form/tags/input.js b/packages/story-editor/src/components/form/tags/input.js
index 16fa84cc78a6..cb52f75d147c 100644
--- a/packages/story-editor/src/components/form/tags/input.js
+++ b/packages/story-editor/src/components/form/tags/input.js
@@ -238,8 +238,8 @@ function Input({
           ].map((tag) =>
             tag === INPUT_KEY ? (
               <TextInput
-                {...props}
                 key={INPUT_KEY}
+                {...props}
                 value={value}
                 onKeyDown={handleKeyDown}
                 onChange={handleChange}
diff --git a/packages/story-editor/src/components/library/libraryPanes.js b/packages/story-editor/src/components/library/libraryPanes.js
index dd2069169377..6a29230925b7 100644
--- a/packages/story-editor/src/components/library/libraryPanes.js
+++ b/packages/story-editor/src/components/library/libraryPanes.js
@@ -68,6 +68,7 @@ function LibraryPanes() {
       case MEDIA.id:
         return showMediaPane ? (
           <MediaPane
+            key={id}
             css={mediaHighlights?.showEffect && styles.FLASH}
             {...paneProps}
           />
@@ -75,23 +76,25 @@ function LibraryPanes() {
       case MEDIA3P.id:
         return (
           <Media3pPane
+            key={id}
             {...paneProps}
             css={media3pHighlights?.showEffect && styles.FLASH}
           />
         );
       case SHAPES.id:
-        return <ShapesPane {...paneProps} />;
+        return <ShapesPane key={id} {...paneProps} />;
       case TEXT.id:
         return (
           <TextPane
+            key={id}
             css={textHighlights?.showEffect && styles.FLASH}
             {...paneProps}
           />
         );
       case PAGE_TEMPLATES.id:
-        return <PageTemplatesPane {...paneProps} />;
+        return <PageTemplatesPane key={id} {...paneProps} />;
       case SHOPPING.id:
-        return <ShoppingPane {...paneProps} />;
+        return <ShoppingPane key={id} {...paneProps} />;
       default:
         return null;
     }
diff --git a/packages/story-editor/src/components/library/test/text/textPane.js b/packages/story-editor/src/components/library/test/text/textPane.js
index 2bd4ed069022..8c84a56d7630 100644
--- a/packages/story-editor/src/components/library/test/text/textPane.js
+++ b/packages/story-editor/src/components/library/test/text/textPane.js
@@ -113,7 +113,8 @@ describe('TextPane', () => {
         selectedElements: [],
         story: {
           globalStoryStyles: {
-            ...{ colors: [], textStyles: [] },
+            colors: [],
+            textStyles: [],
           },
           currentStoryStyles: {
             colors: [],
diff --git a/packages/story-editor/src/components/panels/design/textStyle/test/stylePresetPanel.js b/packages/story-editor/src/components/panels/design/textStyle/test/stylePresetPanel.js
index d66a3104659e..0200d8e609e9 100644
--- a/packages/story-editor/src/components/panels/design/textStyle/test/stylePresetPanel.js
+++ b/packages/story-editor/src/components/panels/design/textStyle/test/stylePresetPanel.js
@@ -59,7 +59,8 @@ function arrange(extraStylePresets, extraStateProps) {
       ...extraStateProps,
       story: {
         globalStoryStyles: {
-          ...{ colors: [], textStyles: [] },
+          colors: [],
+          textStyles: [],
           ...extraStylePresets,
         },
         currentStoryStyles: {
diff --git a/packages/story-editor/src/components/panels/design/textStyle/test/textBox.js b/packages/story-editor/src/components/panels/design/textStyle/test/textBox.js
index 7babd729bf66..78e42d639637 100644
--- a/packages/story-editor/src/components/panels/design/textStyle/test/textBox.js
+++ b/packages/story-editor/src/components/panels/design/textStyle/test/textBox.js
@@ -64,7 +64,8 @@ function Wrapper({ children }) {
       ],
       story: {
         globalStoryStyles: {
-          ...{ colors: [], textStyles: [] },
+          colors: [],
+          textStyles: [],
         },
         currentStoryStyles: {
           colors: [],
diff --git a/packages/story-editor/src/components/panels/design/textStyle/test/textStyle.js b/packages/story-editor/src/components/panels/design/textStyle/test/textStyle.js
index dac1210f29ba..96186acb9827 100644
--- a/packages/story-editor/src/components/panels/design/textStyle/test/textStyle.js
+++ b/packages/story-editor/src/components/panels/design/textStyle/test/textStyle.js
@@ -113,7 +113,8 @@ function Wrapper({ selectedElements, children }) {
       selectedElements: selectedElements,
       story: {
         globalStoryStyles: {
-          ...{ colors: [], textStyles: [] },
+          colors: [],
+          textStyles: [],
         },
         currentStoryStyles: {
           colors: [],
diff --git a/packages/story-editor/src/components/panels/design/textStyle/utils.js b/packages/story-editor/src/components/panels/design/textStyle/utils.js
index 0f5f42aab7ec..ba4a9ecf8205 100644
--- a/packages/story-editor/src/components/panels/design/textStyle/utils.js
+++ b/packages/story-editor/src/components/panels/design/textStyle/utils.js
@@ -30,7 +30,7 @@ export function applyHiddenPadding(element) {
   return element?.padding?.hasHiddenPadding
     ? element.padding
     : {
-        ...(element.padding ?? {}),
+        ...element.padding,
         hasHiddenPadding: true,
         ...['vertical', 'horizontal'].reduce((padding, axis) => {
           padding[axis] =
@@ -51,7 +51,7 @@ export function applyHiddenPadding(element) {
 export function removeHiddenPadding(element) {
   return element?.padding?.hasHiddenPadding
     ? {
-        ...(element.padding ?? {}),
+        ...element.padding,
         hasHiddenPadding: false,
         ...['vertical', 'horizontal'].reduce((padding, axis) => {
           padding[axis] =
diff --git a/webpack.config.test.cjs b/webpack.config.test.cjs
index 2df2a6a3264e..350995eeeeac 100644
--- a/webpack.config.test.cjs
+++ b/webpack.config.test.cjs
@@ -40,15 +40,13 @@ function getConfig(group, { coverage = false } = {}) {
       output: undefined,
       mode: 'development',
       devtool: 'inline-source-map',
-      plugins: [
-        // DependencyExtractionWebpackPlugin and HtmlWebpackPlugin are not needed for tests and
-        // otherwise has some failures.
-        ...webpackConfig.plugins.filter(
-          (plugin) =>
-            !(plugin instanceof DependencyExtractionWebpackPlugin) &&
-            !(plugin instanceof HtmlWebpackPlugin)
-        ),
-      ],
+      // DependencyExtractionWebpackPlugin and HtmlWebpackPlugin are not needed for tests and
+      // otherwise has some failures.
+      plugins: webpackConfig.plugins.filter(
+        (plugin) =>
+          !(plugin instanceof DependencyExtractionWebpackPlugin) &&
+          !(plugin instanceof HtmlWebpackPlugin)
+      ),
     }))[0];
   if (coverage) {
     config.module.rules.push({