diff --git a/src/components/backdrop/backdrop.js b/src/components/backdrop/backdrop.js
index 8316803c64..4c64ea818a 100644
--- a/src/components/backdrop/backdrop.js
+++ b/src/components/backdrop/backdrop.js
@@ -178,7 +178,7 @@ function getItemImageUrls(item, imageOptions) {
         });
     }
 
-    if (item.ParentBackdropItemId && item.ParentBackdropImageTags && item.ParentBackdropImageTags.length) {
+    if (item.ParentBackdropItemId && item.ParentBackdropImageTags?.length) {
         return item.ParentBackdropImageTags.map((imgTag, index) => {
             return apiClient.getScaledImageUrl(item.ParentBackdropItemId, Object.assign(imageOptions, {
                 type: 'Backdrop',
diff --git a/src/components/cardbuilder/cardBuilder.js b/src/components/cardbuilder/cardBuilder.js
index 70dccf6db6..98421f9d48 100644
--- a/src/components/cardbuilder/cardBuilder.js
+++ b/src/components/cardbuilder/cardBuilder.js
@@ -277,16 +277,16 @@ export function getCardImageUrl(item, apiClient, options, shape) {
     let itemId = null;
 
     /* eslint-disable sonarjs/no-duplicated-branches */
-    if (options.preferThumb && item.ImageTags && item.ImageTags.Thumb) {
+    if (options.preferThumb && item.ImageTags?.Thumb) {
         imgType = 'Thumb';
         imgTag = item.ImageTags.Thumb;
-    } else if ((options.preferBanner || shape === 'banner') && item.ImageTags && item.ImageTags.Banner) {
+    } else if ((options.preferBanner || shape === 'banner') && item.ImageTags?.Banner) {
         imgType = 'Banner';
         imgTag = item.ImageTags.Banner;
-    } else if (options.preferDisc && item.ImageTags && item.ImageTags.Disc) {
+    } else if (options.preferDisc && item.ImageTags?.Disc) {
         imgType = 'Disc';
         imgTag = item.ImageTags.Disc;
-    } else if (options.preferLogo && item.ImageTags && item.ImageTags.Logo) {
+    } else if (options.preferLogo && item.ImageTags?.Logo) {
         imgType = 'Logo';
         imgTag = item.ImageTags.Logo;
     } else if (options.preferLogo && item.ParentLogoImageTag && item.ParentLogoItemId) {
@@ -301,11 +301,11 @@ export function getCardImageUrl(item, apiClient, options, shape) {
         imgType = 'Thumb';
         imgTag = item.ParentThumbImageTag;
         itemId = item.ParentThumbItemId;
-    } else if (options.preferThumb && item.BackdropImageTags && item.BackdropImageTags.length) {
+    } else if (options.preferThumb && item.BackdropImageTags?.length) {
         imgType = 'Backdrop';
         imgTag = item.BackdropImageTags[0];
         forceName = true;
-    } else if (options.preferThumb && item.ParentBackdropImageTags && item.ParentBackdropImageTags.length && options.inheritThumb !== false && item.Type === 'Episode') {
+    } else if (options.preferThumb && item.ParentBackdropImageTags?.length && options.inheritThumb !== false && item.Type === 'Episode') {
         imgType = 'Backdrop';
         imgTag = item.ParentBackdropImageTags[0];
         itemId = item.ParentBackdropItemId;
@@ -351,7 +351,7 @@ export function getCardImageUrl(item, apiClient, options, shape) {
         if (primaryImageAspectRatio && uiAspect) {
             coverImage = (Math.abs(primaryImageAspectRatio - uiAspect) / uiAspect) <= 0.2;
         }
-    } else if (item.Type === 'Season' && item.ImageTags && item.ImageTags.Thumb) {
+    } else if (item.Type === 'Season' && item.ImageTags?.Thumb) {
         imgType = 'Thumb';
         imgTag = item.ImageTags.Thumb;
     } else if (item.BackdropImageTags?.length) {
@@ -571,7 +571,7 @@ function getCardFooterText(item, apiClient, options, footerClass, progressHtml,
 
     if (showOtherText) {
         if (options.showParentTitle && parentTitleUnderneath) {
-            if (flags.isOuterFooter && item.AlbumArtists && item.AlbumArtists.length) {
+            if (flags.isOuterFooter && item.AlbumArtists?.length) {
                 item.AlbumArtists[0].Type = 'MusicArtist';
                 item.AlbumArtists[0].IsFolder = true;
                 lines.push(getTextActionButton(item.AlbumArtists[0], null, serverId));
diff --git a/src/components/htmlMediaHelper.js b/src/components/htmlMediaHelper.js
index fa1b343caa..4077d29447 100644
--- a/src/components/htmlMediaHelper.js
+++ b/src/components/htmlMediaHelper.js
@@ -152,7 +152,7 @@ export function seekOnPlaybackStart(instance, element, ticks, onMediaReady) {
 }
 
 export function applySrc(elem, src, options) {
-    if (window.Windows && options.mediaSource && options.mediaSource.IsLocal) {
+    if (window.Windows && options.mediaSource?.IsLocal) {
         return Windows.Storage.StorageFile.getFileFromPathAsync(options.url).then(function (file) {
             const playlist = new Windows.Media.Playback.MediaPlaybackList();
 
diff --git a/src/components/itemContextMenu.js b/src/components/itemContextMenu.js
index 3e71c2a25f..f265eafbfe 100644
--- a/src/components/itemContextMenu.js
+++ b/src/components/itemContextMenu.js
@@ -316,7 +316,7 @@ export function getCommands(options) {
     }
     // Show Album Artist by default, as a song can have multiple artists, which specific one would this option refer to?
     // Although some albums can have multiple artists, it's not as common as songs.
-    if (options.openArtist !== false && item.AlbumArtists && item.AlbumArtists.length) {
+    if (options.openArtist !== false && item.AlbumArtists?.length) {
         commands.push({
             name: globalize.translate('ViewAlbumArtist'),
             id: 'artist',
@@ -609,7 +609,7 @@ function play(item, resume, queue, queueNext) {
     }
 
     let startPosition = 0;
-    if (resume && item.UserData && item.UserData.PlaybackPositionTicks) {
+    if (resume && item.UserData?.PlaybackPositionTicks) {
         startPosition = item.UserData.PlaybackPositionTicks;
     }
 
diff --git a/src/components/itemMediaInfo/itemMediaInfo.js b/src/components/itemMediaInfo/itemMediaInfo.js
index 517c25dafa..620578da8b 100644
--- a/src/components/itemMediaInfo/itemMediaInfo.js
+++ b/src/components/itemMediaInfo/itemMediaInfo.js
@@ -64,7 +64,7 @@ function getMediaSourceHtml(user, item, version) {
     if (version.Formats?.length) {
         html += `${createAttribute(globalize.translate('MediaInfoFormat'), version.Formats.join(','))}<br/>`;
     }
-    if (version.Path && user && user.Policy.IsAdministrator) {
+    if (version.Path && user?.Policy.IsAdministrator) {
         html += `${createAttribute(globalize.translate('MediaInfoPath'), version.Path, true)}<br/>`;
     }
     if (version.Size) {
diff --git a/src/components/remotecontrol/remotecontrol.js b/src/components/remotecontrol/remotecontrol.js
index 0c09ca4b7c..64201aa3aa 100644
--- a/src/components/remotecontrol/remotecontrol.js
+++ b/src/components/remotecontrol/remotecontrol.js
@@ -737,12 +737,12 @@ export default function () {
             }
         });
         context.querySelector('.btnAudioTracks').addEventListener('click', function (e) {
-            if (currentPlayer && lastPlayerState && lastPlayerState.NowPlayingItem) {
+            if (currentPlayer && lastPlayerState?.NowPlayingItem) {
                 showAudioMenu(context, currentPlayer, e.target);
             }
         });
         context.querySelector('.btnSubtitles').addEventListener('click', function (e) {
-            if (currentPlayer && lastPlayerState && lastPlayerState.NowPlayingItem) {
+            if (currentPlayer && lastPlayerState?.NowPlayingItem) {
                 showSubtitleMenu(context, currentPlayer, e.target);
             }
         });
diff --git a/src/components/slideshow/slideshow.js b/src/components/slideshow/slideshow.js
index 7980a62c98..f6648981c9 100644
--- a/src/components/slideshow/slideshow.js
+++ b/src/components/slideshow/slideshow.js
@@ -92,7 +92,7 @@ function getImgUrl(item, user) {
     if (item.BackdropImageTags?.length) {
         return getBackdropImageUrl(item, imageOptions, apiClient);
     } else {
-        if (item.MediaType === 'Photo' && user && user.Policy.EnableContentDownloading) {
+        if (item.MediaType === 'Photo' && user?.Policy.EnableContentDownloading) {
             return apiClient.getItemDownloadUrl(item.Id);
         }
         imageOptions.type = 'Primary';
@@ -171,7 +171,7 @@ export default function (options) {
             if (actionButtonsOnTop) {
                 html += getIcon('play_arrow', 'btnSlideshowPause slideshowButton', true);
 
-                if (appHost.supports('filedownload') && slideshowOptions.user && slideshowOptions.user.Policy.EnableContentDownloading) {
+                if (appHost.supports('filedownload') && slideshowOptions.user?.Policy.EnableContentDownloading) {
                     html += getIcon('file_download', 'btnDownload slideshowButton', true);
                 }
                 if (appHost.supports('sharing')) {
@@ -189,7 +189,7 @@ export default function (options) {
                 html += '<div class="slideshowBottomBar hide">';
 
                 html += getIcon('play_arrow', 'btnSlideshowPause slideshowButton', true, true);
-                if (appHost.supports('filedownload') && slideshowOptions.user && slideshowOptions.user.Policy.EnableContentDownloading) {
+                if (appHost.supports('filedownload') && slideshowOptions?.user.Policy.EnableContentDownloading) {
                     html += getIcon('file_download', 'btnDownload slideshowButton', true);
                 }
                 if (appHost.supports('sharing')) {
diff --git a/src/lib/scroller/index.js b/src/lib/scroller/index.js
index 20258f88a2..0292cb5688 100644
--- a/src/lib/scroller/index.js
+++ b/src/lib/scroller/index.js
@@ -293,7 +293,7 @@ const scrollerFactory = function (frame, options) {
             immediate = true;
         }
 
-        if (!immediate && o.skipSlideToWhenVisible && fullItemPos && fullItemPos.isVisible) {
+        if (!immediate && o.skipSlideToWhenVisible && fullItemPos?.isVisible) {
             return;
         }
 
diff --git a/src/plugins/chromecastPlayer/plugin.js b/src/plugins/chromecastPlayer/plugin.js
index f113ce24e2..de77b2cf3d 100644
--- a/src/plugins/chromecastPlayer/plugin.js
+++ b/src/plugins/chromecastPlayer/plugin.js
@@ -716,7 +716,7 @@ class ChromecastPlayer {
             });
         }
 
-        if (options.items.length > 1 && options && options.ids) {
+        if (options.items.length > 1 && options?.ids) {
             // Use the original request id array for sorting the result in the proper order
             options.items.sort(function (a, b) {
                 return options.ids.indexOf(a.Id) - options.ids.indexOf(b.Id);
diff --git a/src/plugins/syncPlay/core/Helper.js b/src/plugins/syncPlay/core/Helper.js
index f43bef949f..09d5d63bb3 100644
--- a/src/plugins/syncPlay/core/Helper.js
+++ b/src/plugins/syncPlay/core/Helper.js
@@ -105,7 +105,7 @@ function mergePlaybackQueries(obj1, obj2) {
 }
 
 export function translateItemsForPlayback(apiClient, items, options) {
-    if (items.length > 1 && options && options.ids) {
+    if (items.length > 1 && options?.ids) {
         // Use the original request id array for sorting the result in the proper order.
         items.sort(function (a, b) {
             return options.ids.indexOf(a.Id) - options.ids.indexOf(b.Id);