diff --git a/client/components/app/SideRail.vue b/client/components/app/SideRail.vue
index 835062f6..dbc295d2 100644
--- a/client/components/app/SideRail.vue
+++ b/client/components/app/SideRail.vue
@@ -9,7 +9,7 @@
         <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M3 12l2-2m0 0l7-7 7 7M5 10v10a1 1 0 001 1h3m10-11l2 2m-2-2v10a1 1 0 01-1 1h-3m-6 0a1 1 0 001-1v-4a1 1 0 011-1h2a1 1 0 011 1v4a1 1 0 001 1m-6 0h6" />
       </svg>
 
-      <p class="font-book pt-1.5" style="font-size: 0.9rem">{{ $strings.ButtonHome }}</p>
+      <p class="font-book pt-1.5 text-center leading-4" style="font-size: 0.9rem">{{ $strings.ButtonHome }}</p>
 
       <div v-show="homePage" class="h-full w-0.5 bg-yellow-400 absolute top-0 left-0" />
     </nuxt-link>
@@ -17,7 +17,7 @@
     <nuxt-link v-if="isPodcastLibrary" :to="`/library/${currentLibraryId}/podcast/latest`" class="w-full h-20 flex flex-col items-center justify-center text-white border-b border-primary border-opacity-70 hover:bg-primary cursor-pointer relative" :class="isPodcastLatestPage ? 'bg-primary bg-opacity-80' : 'bg-bg bg-opacity-60'">
       <span class="material-icons">format_list_bulleted</span>
 
-      <p class="font-book pt-1" style="font-size: 0.9rem">{{ $strings.ButtonLatest }}</p>
+      <p class="font-book pt-1 text-center leading-4" style="font-size: 0.9rem">{{ $strings.ButtonLatest }}</p>
 
       <div v-show="isPodcastLatestPage" class="h-full w-0.5 bg-yellow-400 absolute top-0 left-0" />
     </nuxt-link>
@@ -27,7 +27,7 @@
         <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M12 6.253v13m0-13C10.832 5.477 9.246 5 7.5 5S4.168 5.477 3 6.253v13C4.168 18.477 5.754 18 7.5 18s3.332.477 4.5 1.253m0-13C13.168 5.477 14.754 5 16.5 5c1.747 0 3.332.477 4.5 1.253v13C19.832 18.477 18.247 18 16.5 18c-1.746 0-3.332.477-4.5 1.253" />
       </svg>
 
-      <p class="font-book pt-1.5" style="font-size: 0.9rem">{{ $strings.ButtonLibrary }}</p>
+      <p class="font-book pt-1.5 text-center leading-4" style="font-size: 0.9rem">{{ $strings.ButtonLibrary }}</p>
 
       <div v-show="showLibrary" class="h-full w-0.5 bg-yellow-400 absolute top-0 left-0" />
     </nuxt-link>
@@ -37,7 +37,7 @@
         <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M9 17V7m0 10a2 2 0 01-2 2H5a2 2 0 01-2-2V7a2 2 0 012-2h2a2 2 0 012 2m0 10a2 2 0 002 2h2a2 2 0 002-2M9 7a2 2 0 012-2h2a2 2 0 012 2m0 10V7m0 10a2 2 0 002 2h2a2 2 0 002-2V7a2 2 0 00-2-2h-2a2 2 0 00-2 2" />
       </svg>
 
-      <p class="font-book pt-1.5" style="font-size: 0.9rem">{{ $strings.ButtonSeries }}</p>
+      <p class="font-book pt-1.5 text-center leading-4" style="font-size: 0.9rem">{{ $strings.ButtonSeries }}</p>
 
       <div v-show="isSeriesPage" class="h-full w-0.5 bg-yellow-400 absolute top-0 left-0" />
     </nuxt-link>
@@ -45,7 +45,7 @@
     <nuxt-link v-if="!isPodcastLibrary" :to="`/library/${currentLibraryId}/bookshelf/collections`" class="w-full h-20 flex flex-col items-center justify-center text-white text-opacity-80 border-b border-primary border-opacity-70 hover:bg-primary cursor-pointer relative" :class="paramId === 'collections' ? 'bg-primary bg-opacity-80' : 'bg-bg bg-opacity-60'">
       <span class="material-icons-outlined">collections_bookmark</span>
 
-      <p class="font-book pt-1.5" style="font-size: 0.9rem">{{ $strings.ButtonCollections }}</p>
+      <p class="font-book pt-1.5 text-center leading-4" style="font-size: 0.9rem">{{ $strings.ButtonCollections }}</p>
 
       <div v-show="paramId === 'collections'" class="h-full w-0.5 bg-yellow-400 absolute top-0 left-0" />
     </nuxt-link>
@@ -58,7 +58,7 @@
         />
       </svg>
 
-      <p class="font-book pt-1.5" style="font-size: 0.9rem">{{ $strings.ButtonAuthors }}</p>
+      <p class="font-book pt-1 text-center leading-4" style="font-size: 0.9rem">{{ $strings.ButtonAuthors }}</p>
 
       <div v-show="isAuthorsPage" class="h-full w-0.5 bg-yellow-400 absolute top-0 left-0" />
     </nuxt-link>
@@ -66,7 +66,7 @@
     <nuxt-link v-if="isPodcastLibrary && userIsAdminOrUp" :to="`/library/${currentLibraryId}/podcast/search`" class="w-full h-20 flex flex-col items-center justify-center text-white text-opacity-80 border-b border-primary border-opacity-70 hover:bg-primary cursor-pointer relative" :class="isPodcastSearchPage ? 'bg-primary bg-opacity-80' : 'bg-bg bg-opacity-60'">
       <span class="abs-icons icon-podcast text-xl"></span>
 
-      <p class="font-book pt-1.5" style="font-size: 0.9rem">{{ $strings.ButtonSearch }}</p>
+      <p class="font-book pt-1.5 text-center leading-4" style="font-size: 0.9rem">{{ $strings.ButtonSearch }}</p>
 
       <div v-show="isPodcastSearchPage" class="h-full w-0.5 bg-yellow-400 absolute top-0 left-0" />
     </nuxt-link>
@@ -74,7 +74,7 @@
     <nuxt-link v-if="numIssues" :to="`/library/${currentLibraryId}/bookshelf?filter=issues`" class="w-full h-20 flex flex-col items-center justify-center text-white text-opacity-80 border-b border-primary border-opacity-70 hover:bg-opacity-40 cursor-pointer relative" :class="showingIssues ? 'bg-error bg-opacity-40' : ' bg-error bg-opacity-20'">
       <span class="material-icons text-2xl">warning</span>
 
-      <p class="font-book pt-1.5" style="font-size: 1rem">{{ $strings.ButtonIssues }}</p>
+      <p class="font-book pt-1.5 text-center leading-4" style="font-size: 1rem">{{ $strings.ButtonIssues }}</p>
 
       <div v-show="showingIssues" class="h-full w-0.5 bg-yellow-400 absolute top-0 left-0" />
       <div class="absolute top-1 right-1 w-4 h-4 rounded-full bg-white bg-opacity-30 flex items-center justify-center">
diff --git a/client/plugins/i18n.js b/client/plugins/i18n.js
index 421c0ec7..907ba304 100644
--- a/client/plugins/i18n.js
+++ b/client/plugins/i18n.js
@@ -10,7 +10,7 @@ const languageCodeMap = {
   // 'es': 'Español',
   'hr': 'Hrvatski',
   'it': 'Italiano',
-  // 'pl': 'Polski',
+  'pl': 'Polski',
   'zh-cn': '简体中文 (Simplified Chinese)'
 }
 Vue.prototype.$languageCodeOptions = Object.keys(languageCodeMap).map(code => {
diff --git a/client/strings/de.json b/client/strings/de.json
index 62a2e7d0..374756bd 100644
--- a/client/strings/de.json
+++ b/client/strings/de.json
@@ -42,6 +42,8 @@
   "ButtonPurgeAllCache": "Bereinige alle Zwischenspeicher",
   "ButtonPurgeItemsCache": "Bereinige den Hörbuch/Podcast-Zwischenspeicher",
   "ButtonPurgeMediaProgress": "Bereinige die Hörfortschritte",
+  "ButtonQueueAddItem": "Add to queue",
+  "ButtonQueueRemoveItem": "Remove from queue",
   "ButtonQuickMatch": "Schnellabgleich",
   "ButtonRead": "Lese",
   "ButtonRemove": "Löschen",
@@ -105,6 +107,7 @@
   "HeaderOtherFiles": "Sonstige Dateien",
   "HeaderOpenRSSFeed": "RSS-Feed öffnen",
   "HeaderPermissions": "Berechtigungen",
+  "HeaderPlayerQueue": "Player Queue",
   "HeaderPodcastsToAdd": "Podcasts zum Hinzufügen",
   "HeaderPreviewCover": "Vorschau Cover",
   "HeaderRemoveEpisode": "Episode löschen",
diff --git a/client/strings/hr.json b/client/strings/hr.json
index 86b926c7..8c47049f 100644
--- a/client/strings/hr.json
+++ b/client/strings/hr.json
@@ -42,6 +42,8 @@
   "ButtonPurgeAllCache": "Isprazni sav cache",
   "ButtonPurgeItemsCache": "Isprazni Items Cache",
   "ButtonPurgeMediaProgress": "Purge Media Progress",
+  "ButtonQueueAddItem": "Add to queue",
+  "ButtonQueueRemoveItem": "Remove from queue",
   "ButtonQuickMatch": "Brzi match",
   "ButtonRead": "Pročitaj",
   "ButtonRemove": "Ukloni",
@@ -105,6 +107,7 @@
   "HeaderOtherFiles": "Druge datoteke",
   "HeaderOpenRSSFeed": "Otvori RSS Feed",
   "HeaderPermissions": "Dozvole",
+  "HeaderPlayerQueue": "Player Queue",
   "HeaderPodcastsToAdd": "Podcasti za dodati",
   "HeaderPreviewCover": "Pregledaj Cover",
   "HeaderRemoveEpisode": "Ukloni epizodu",
diff --git a/client/strings/it.json b/client/strings/it.json
index 680825cd..c29b4a1c 100644
--- a/client/strings/it.json
+++ b/client/strings/it.json
@@ -42,6 +42,8 @@
   "ButtonPurgeAllCache": "Elimina tutta la Cache",
   "ButtonPurgeItemsCache": "Elimina la Cache selezionata",
   "ButtonPurgeMediaProgress": "elimina info sui media ascoltati",
+  "ButtonQueueAddItem": "Add to queue",
+  "ButtonQueueRemoveItem": "Remove from queue",
   "ButtonQuickMatch": "Ricerca meta Rapido",
   "ButtonRead": "Leggi",
   "ButtonRemove": "Rimuovi",
@@ -105,6 +107,7 @@
   "HeaderOtherFiles": "Altri File",
   "HeaderOpenRSSFeed": "Apri RSS Feed",
   "HeaderPermissions": "Permessi",
+  "HeaderPlayerQueue": "Player Queue",
   "HeaderPodcastsToAdd": "Podcasts da Aggiungere",
   "HeaderPreviewCover": "Anteprima Cover",
   "HeaderRemoveEpisode": "Rimuovi Episodi",
diff --git a/client/strings/pl.json b/client/strings/pl.json
index 4751f93b..adf063e8 100644
--- a/client/strings/pl.json
+++ b/client/strings/pl.json
@@ -42,6 +42,8 @@
   "ButtonPurgeAllCache": "Wyczyść dane tymczasowe",
   "ButtonPurgeItemsCache": "Wyczyść dane tymczasowe pozycji",
   "ButtonPurgeMediaProgress": "Wyczyść postęp",
+  "ButtonQueueAddItem": "Add to queue",
+  "ButtonQueueRemoveItem": "Remove from queue",
   "ButtonQuickMatch": "Szybkie dopasowanie",
   "ButtonRead": "Czytaj",
   "ButtonRemove": "Usuń",
@@ -105,6 +107,7 @@
   "HeaderOtherFiles": "Inne pliki",
   "HeaderOpenRSSFeed": "Utwórz kanał RSS",
   "HeaderPermissions": "Uprawnienia",
+  "HeaderPlayerQueue": "Player Queue",
   "HeaderPodcastsToAdd": "Podcasty do dodania",
   "HeaderPreviewCover": "Podgląd okładki",
   "HeaderRemoveEpisode": "Usuń odcinek",
@@ -457,6 +460,7 @@
   "ToastAuthorUpdateSuccessNoImageFound": "Autor zaktualizowany (nie znaleziono obrazu)",
   "ToastBackupCreateFailed": "Nie udało się utworzyć kopii zapasowej",
   "ToastBackupCreateSuccess": "Utworzono kopię zapasową",
+  "ToastBackupDeleteFailed": "Failed to delete backup",
   "ToastBackupDeleteSuccess": "Nie udało się usunąć kopii zapasowej",
   "ToastBackupRestoreFailed": "Nie udało się przywrócić kopii zapasowej",
   "ToastBackupUploadFailed": "Nie udało się przesłać kopii zapasowej",
diff --git a/client/strings/zh-cn.json b/client/strings/zh-cn.json
index 956b4fc0..93a499b4 100644
--- a/client/strings/zh-cn.json
+++ b/client/strings/zh-cn.json
@@ -42,6 +42,8 @@
   "ButtonPurgeAllCache": "清理所有缓存",
   "ButtonPurgeItemsCache": "清理项目缓存",
   "ButtonPurgeMediaProgress": "清理媒体进度",
+  "ButtonQueueAddItem": "Add to queue",
+  "ButtonQueueRemoveItem": "Remove from queue",
   "ButtonQuickMatch": "快速匹配",
   "ButtonRead": "读取",
   "ButtonRemove": "移除",
@@ -105,6 +107,7 @@
   "HeaderOtherFiles": "其他文件",
   "HeaderOpenRSSFeed": "打开 RSS 源",
   "HeaderPermissions": "权限",
+  "HeaderPlayerQueue": "Player Queue",
   "HeaderPodcastsToAdd": "要添加的播客",
   "HeaderPreviewCover": "预览封面",
   "HeaderRemoveEpisode": "移除剧集",
@@ -510,4 +513,4 @@
   "WeekdayThursday": "星期四",
   "WeekdayTuesday": "星期二",
   "WeekdayWednesday": "星期三"
-}
+}
\ No newline at end of file