diff --git a/l10n/ar/viewer.ftl b/l10n/ar/viewer.ftl
index b55b88cba..420136763 100644
--- a/l10n/ar/viewer.ftl
+++ b/l10n/ar/viewer.ftl
@@ -286,7 +286,7 @@ pdfjs-annotation-date-time-string = { DATETIME($dateObj, dateStyle: "short", tim
 
 pdfjs-password-label = أدخل لكلمة السر لفتح هذا الملف.
 pdfjs-password-invalid = كلمة سر خطأ. من فضلك أعد المحاولة.
-pdfjs-password-ok-button = حسنا
+pdfjs-password-ok-button = حسنًا
 pdfjs-password-cancel-button = ألغِ
 pdfjs-web-fonts-disabled = خطوط الوب مُعطّلة: تعذّر استخدام خطوط PDF المُضمّنة.
 
diff --git a/l10n/be/viewer.ftl b/l10n/be/viewer.ftl
index 98adf30d6..df6301d2a 100644
--- a/l10n/be/viewer.ftl
+++ b/l10n/be/viewer.ftl
@@ -695,6 +695,7 @@ pdfjs-views-manager-pages-status-action-button-label = Кіраваць
 pdfjs-views-manager-pages-status-copy-button-label = Капіяваць
 pdfjs-views-manager-pages-status-cut-button-label = Выразаць
 pdfjs-views-manager-pages-status-delete-button-label = Выдаліць
+pdfjs-views-manager-pages-status-export-selected-button-label = Экспартаваць выбранае…
 pdfjs-views-manager-pages-status-save-as-button-label = Захаваць як…
 # Variables:
 #   $count (Number) - the number of selected pages to be cut.
@@ -738,6 +739,9 @@ pdfjs-views-manager-paste-button-before =
 #   $page (Number) - the page number after which the paste button is.
 pdfjs-views-manager-paste-button-after =
     .title = Уставіць пасля старонкі { $page }
+# Badge used to promote a new feature in the UI, keep it as short as possible.
+# It's spelled uppercase for English, but it can be translated as usual.
+pdfjs-new-badge-content = НОВАЕ
 pdfjs-toggle-views-manager-button1 =
     .title = Кіраванне старонкамі
 
diff --git a/l10n/ca/viewer.ftl b/l10n/ca/viewer.ftl
index 4e0d9cbb7..561d51285 100644
--- a/l10n/ca/viewer.ftl
+++ b/l10n/ca/viewer.ftl
@@ -272,3 +272,12 @@ pdfjs-editor-alt-text-cancel-button = Cancel·la
 ## Dialog buttons
 
 pdfjs-editor-add-signature-cancel-button = Cancel·la
+
+## The view manager is a sidebar displaying different views:
+##  - thumbnails;
+##  - outline;
+##  - attachments;
+##  - layers.
+## The thumbnails view is used to edit the pdf: remove/insert pages, ...
+
+pdfjs-views-manager-pages-status-save-as-button-label = Anomena i desa…
diff --git a/l10n/es-CL/viewer.ftl b/l10n/es-CL/viewer.ftl
index fef510a3c..658b23c41 100644
--- a/l10n/es-CL/viewer.ftl
+++ b/l10n/es-CL/viewer.ftl
@@ -668,8 +668,12 @@ pdfjs-views-manager-view-selector-button =
     .title = Vistas
 pdfjs-views-manager-view-selector-button-label = Vistas
 pdfjs-views-manager-pages-title = Páginas
+pdfjs-views-manager-outlines-title1 = Esquema del documento
+    .title = Esquema del documento (doble clic para expandir/contraer todos los elementos)
 pdfjs-views-manager-outlines-title = Esquema del documento
 pdfjs-views-manager-attachments-title = Adjuntos
+pdfjs-views-manager-layers-title1 = Capas
+    .title = Capas (doble clic para restablecer todas las capas a su estado predeterminado)
 pdfjs-views-manager-layers-title = Capas
 pdfjs-views-manager-pages-option-label = Páginas
 pdfjs-views-manager-outlines-option-label = Esquema del documento
@@ -690,6 +694,7 @@ pdfjs-views-manager-pages-status-action-button-label = Administrar
 pdfjs-views-manager-pages-status-copy-button-label = Copiar
 pdfjs-views-manager-pages-status-cut-button-label = Cortar
 pdfjs-views-manager-pages-status-delete-button-label = Eliminar
+pdfjs-views-manager-pages-status-export-selected-button-label = Exportar selección…
 pdfjs-views-manager-pages-status-save-as-button-label = Guardar como…
 # Variables:
 #   $count (Number) - the number of selected pages to be cut.
@@ -730,6 +735,9 @@ pdfjs-views-manager-paste-button-before =
 #   $page (Number) - the page number after which the paste button is.
 pdfjs-views-manager-paste-button-after =
     .title = Pegar después de la página { $page }
+# Badge used to promote a new feature in the UI, keep it as short as possible.
+# It's spelled uppercase for English, but it can be translated as usual.
+pdfjs-new-badge-content = NUEVO
 pdfjs-toggle-views-manager-button1 =
     .title = Gestionar páginas
 
diff --git a/l10n/eu/viewer.ftl b/l10n/eu/viewer.ftl
index 73523d340..4a775f535 100644
--- a/l10n/eu/viewer.ftl
+++ b/l10n/eu/viewer.ftl
@@ -672,8 +672,12 @@ pdfjs-views-manager-view-selector-button =
     .title = Ikuspegiak
 pdfjs-views-manager-view-selector-button-label = Ikuspegiak
 pdfjs-views-manager-pages-title = Orriak
+pdfjs-views-manager-outlines-title1 = Dokumentuaren eskema
+    .title = Dokumentuaren eskema (klik bikoitza elementu guztiak zabaltzeko/tolesteko)
 pdfjs-views-manager-outlines-title = Dokumentuaren eskema
 pdfjs-views-manager-attachments-title = Eranskinak
+pdfjs-views-manager-layers-title1 = Geruzak
+    .title = Geruzak (klik bikoitza geruza guztiak egoera lehenetsira berrezartzeko)
 pdfjs-views-manager-layers-title = Geruzak
 pdfjs-views-manager-pages-option-label = Orriak
 pdfjs-views-manager-outlines-option-label = Dokumentuaren eskema
@@ -694,6 +698,7 @@ pdfjs-views-manager-pages-status-action-button-label = Kudeatu
 pdfjs-views-manager-pages-status-copy-button-label = Kopiatu
 pdfjs-views-manager-pages-status-cut-button-label = Ebaki
 pdfjs-views-manager-pages-status-delete-button-label = Ezabatu
+pdfjs-views-manager-pages-status-export-selected-button-label = Esportatu hautatutakoa…
 pdfjs-views-manager-pages-status-save-as-button-label = Gorde honela…
 # Variables:
 #   $count (Number) - the number of selected pages to be cut.
@@ -734,6 +739,9 @@ pdfjs-views-manager-paste-button-before =
 #   $page (Number) - the page number after which the paste button is.
 pdfjs-views-manager-paste-button-after =
     .title = Itsatsi { $page }. orriaren aurretik
+# Badge used to promote a new feature in the UI, keep it as short as possible.
+# It's spelled uppercase for English, but it can be translated as usual.
+pdfjs-new-badge-content = BERRIA
 pdfjs-toggle-views-manager-button1 =
     .title = Kudeatu orriak
 
diff --git a/l10n/hu/viewer.ftl b/l10n/hu/viewer.ftl
index cce862016..60df8cf2f 100644
--- a/l10n/hu/viewer.ftl
+++ b/l10n/hu/viewer.ftl
@@ -668,8 +668,12 @@ pdfjs-views-manager-view-selector-button =
     .title = Nézetek
 pdfjs-views-manager-view-selector-button-label = Nézetek
 pdfjs-views-manager-pages-title = Oldalak
+pdfjs-views-manager-outlines-title1 = Dokumentumvázlat
+    .title = Dokumentumvázlat (dupla kattintás az összes elem kinyitásához/becsukásához)
 pdfjs-views-manager-outlines-title = Dokumentumvázlat
 pdfjs-views-manager-attachments-title = Mellékletek
+pdfjs-views-manager-layers-title1 = Rétegek
+    .title = Rétegek (dupla kattintás az összes réteg eredeti állapotba való visszaállításához)
 pdfjs-views-manager-layers-title = Rétegek
 pdfjs-views-manager-pages-option-label = Oldalak
 pdfjs-views-manager-outlines-option-label = Dokumentumvázlat
@@ -690,6 +694,7 @@ pdfjs-views-manager-pages-status-action-button-label = Kezelés
 pdfjs-views-manager-pages-status-copy-button-label = Másolás
 pdfjs-views-manager-pages-status-cut-button-label = Kivágás
 pdfjs-views-manager-pages-status-delete-button-label = Törlés
+pdfjs-views-manager-pages-status-export-selected-button-label = Kiválasztottak exportálása…
 pdfjs-views-manager-pages-status-save-as-button-label = Mentés másként…
 # Variables:
 #   $count (Number) - the number of selected pages to be cut.
@@ -730,6 +735,9 @@ pdfjs-views-manager-paste-button-before =
 #   $page (Number) - the page number after which the paste button is.
 pdfjs-views-manager-paste-button-after =
     .title = Beillesztés a(z) { $page }. oldal után
+# Badge used to promote a new feature in the UI, keep it as short as possible.
+# It's spelled uppercase for English, but it can be translated as usual.
+pdfjs-new-badge-content = ÚJ
 pdfjs-toggle-views-manager-button1 =
     .title = Oldalak kezelése
 
diff --git a/l10n/it/viewer.ftl b/l10n/it/viewer.ftl
index d15a18573..06fe4f57b 100644
--- a/l10n/it/viewer.ftl
+++ b/l10n/it/viewer.ftl
@@ -694,7 +694,7 @@ pdfjs-views-manager-pages-status-action-button-label = Gestisci
 pdfjs-views-manager-pages-status-copy-button-label = Copia
 pdfjs-views-manager-pages-status-cut-button-label = Taglia
 pdfjs-views-manager-pages-status-delete-button-label = Elimina
-pdfjs-views-manager-pages-status-export-selected-button-label = Esporta selezionati…
+pdfjs-views-manager-pages-status-export-selected-button-label = Esporta selezionate…
 pdfjs-views-manager-pages-status-save-as-button-label = Salva con nome…
 # Variables:
 #   $count (Number) - the number of selected pages to be cut.
diff --git a/l10n/kk/viewer.ftl b/l10n/kk/viewer.ftl
index 674e702f4..9d89c9499 100644
--- a/l10n/kk/viewer.ftl
+++ b/l10n/kk/viewer.ftl
@@ -668,8 +668,12 @@ pdfjs-views-manager-view-selector-button =
     .title = Көріністер
 pdfjs-views-manager-view-selector-button-label = Көріністер
 pdfjs-views-manager-pages-title = Беттер
+pdfjs-views-manager-outlines-title1 = Құжат құрылымы
+    .title = Құжат құрылымы (барлық нәрселерді жаю/жию үшін қос шерту)
 pdfjs-views-manager-outlines-title = Құжаттың құрылымы
 pdfjs-views-manager-attachments-title = Салынымдар
+pdfjs-views-manager-layers-title1 = Қабаттар
+    .title = Қабаттар (барлық нәрселерді жаю/жию үшін қос шерту)
 pdfjs-views-manager-layers-title = Қабаттар
 pdfjs-views-manager-pages-option-label = Беттер
 pdfjs-views-manager-outlines-option-label = Құжаттың құрылымы
@@ -690,6 +694,7 @@ pdfjs-views-manager-pages-status-action-button-label = Басқару
 pdfjs-views-manager-pages-status-copy-button-label = Көшіріп алу
 pdfjs-views-manager-pages-status-cut-button-label = Қиып алу
 pdfjs-views-manager-pages-status-delete-button-label = Өшіру
+pdfjs-views-manager-pages-status-export-selected-button-label = Таңдалғанды экспорттау…
 pdfjs-views-manager-pages-status-save-as-button-label = Қалайша сақтау…
 # Variables:
 #   $count (Number) - the number of selected pages to be cut.
@@ -730,6 +735,9 @@ pdfjs-views-manager-paste-button-before =
 #   $page (Number) - the page number after which the paste button is.
 pdfjs-views-manager-paste-button-after =
     .title = { $page } бетінен кейін кірістіру
+# Badge used to promote a new feature in the UI, keep it as short as possible.
+# It's spelled uppercase for English, but it can be translated as usual.
+pdfjs-new-badge-content = ЖАҢА
 pdfjs-toggle-views-manager-button1 =
     .title = Беттерді басқару
 
diff --git a/l10n/oc/viewer.ftl b/l10n/oc/viewer.ftl
index 3182e6317..a10a398cf 100644
--- a/l10n/oc/viewer.ftl
+++ b/l10n/oc/viewer.ftl
@@ -314,6 +314,9 @@ pdfjs-editor-stamp-add-image-button =
 pdfjs-editor-stamp-add-image-button-label = Apondre imatge
 # This refers to the thickness of the line used for free highlighting (not bound to text)
 pdfjs-editor-free-highlight-thickness-input = Espessor
+pdfjs-editor-signature-add-signature-button =
+    .title = Apondre una signatura novèla
+pdfjs-editor-signature-add-signature-button-label = Apondre una signatura novèla
 # .default-content is used as a placeholder in an empty text editor.
 pdfjs-free-text2 =
     .aria-label = Editor de tèxte
@@ -380,3 +383,14 @@ pdfjs-editor-undo-bar-undo-button-label = Anullar
 pdfjs-editor-undo-bar-close-button =
     .title = Tampar
 pdfjs-editor-undo-bar-close-button-label = Tampar
+
+## The view manager is a sidebar displaying different views:
+##  - thumbnails;
+##  - outline;
+##  - attachments;
+##  - layers.
+## The thumbnails view is used to edit the pdf: remove/insert pages, ...
+
+# Badge used to promote a new feature in the UI, keep it as short as possible.
+# It's spelled uppercase for English, but it can be translated as usual.
+pdfjs-new-badge-content = NÒU
diff --git a/l10n/th/viewer.ftl b/l10n/th/viewer.ftl
index 0a5b853ed..f92425e12 100644
--- a/l10n/th/viewer.ftl
+++ b/l10n/th/viewer.ftl
@@ -646,10 +646,14 @@ pdfjs-toggle-views-manager-button1-label = จัดการหน้า
 pdfjs-toggle-views-manager-button-label = เปิด/ปิดแถบข้าง
 pdfjs-views-manager-sidebar =
     .aria-label = แถบข้าง
+pdfjs-views-manager-sidebar-resizer =
+    .aria-label = ตัวปรับขนาดแถบข้าง
 pdfjs-views-manager-view-selector-button =
     .title = มุมมอง
 pdfjs-views-manager-view-selector-button-label = มุมมอง
 pdfjs-views-manager-pages-title = หน้า
+pdfjs-views-manager-outlines-title1 = โครงร่างเอกสาร
+    .title = โครงร่างเอกสาร (คลิกสองครั้งเพื่อขยาย/ยุบรายการทั้งหมด)
 pdfjs-views-manager-outlines-title = เค้าร่างเอกสาร
 pdfjs-views-manager-attachments-title = ไฟล์แนบ
 pdfjs-views-manager-layers-title1 = เลเยอร์
diff --git a/l10n/zh-CN/viewer.ftl b/l10n/zh-CN/viewer.ftl
index 2f5f7e610..a87b03ce9 100644
--- a/l10n/zh-CN/viewer.ftl
+++ b/l10n/zh-CN/viewer.ftl
@@ -201,6 +201,14 @@ pdfjs-thumb-page-title =
 #   $page (Number) - the page number
 pdfjs-thumb-page-canvas =
     .aria-label = 页面 { $page } 的缩略图
+# Variables:
+#   $page (Number) - the page number
+pdfjs-thumb-page-checkbox1 =
+    .title = 选择第 { $page } 页
+# Variables:
+#   $page (Number) - the page number
+pdfjs-thumb-page-checkbox =
+    .aria-label = 选择第 { $page } 页
 
 ## Find panel button title and messages
 
@@ -629,6 +637,7 @@ pdfjs-toggle-views-manager-button =
     .title = 打开/关闭侧栏
 pdfjs-toggle-views-manager-notification-button =
     .title = 打开/关闭侧栏（文档所含的缩略图/大纲/附件/图层）
+pdfjs-toggle-views-manager-button1-label = 管理页面
 pdfjs-toggle-views-manager-button-label = 打开/关闭侧栏
 pdfjs-views-manager-sidebar =
     .aria-label = 侧栏
@@ -636,8 +645,12 @@ pdfjs-views-manager-view-selector-button =
     .title = 视图
 pdfjs-views-manager-view-selector-button-label = 视图
 pdfjs-views-manager-pages-title = 页面
+pdfjs-views-manager-outlines-title1 = 文档大纲
+    .title = 文档大纲（双击可展开/折叠所有项目）
 pdfjs-views-manager-outlines-title = 文档大纲
 pdfjs-views-manager-attachments-title = 附件
+pdfjs-views-manager-layers-title1 = 图层
+    .title = 图层（双击可将所有图层重置为默认状态）
 pdfjs-views-manager-layers-title = 图层
 pdfjs-views-manager-pages-option-label = 页面
 pdfjs-views-manager-outlines-option-label = 文档大纲
@@ -675,6 +688,13 @@ pdfjs-views-manager-status-close-button =
     .title = 关闭
 pdfjs-views-manager-status-close-button-label = 关闭
 pdfjs-views-manager-paste-button-label = 粘贴
+pdfjs-views-manager-paste-button-before =
+    .title = 粘贴在第一页之前
+# Badge used to promote a new feature in the UI, keep it as short as possible.
+# It's spelled uppercase for English, but it can be translated as usual.
+pdfjs-new-badge-content = 新
+pdfjs-toggle-views-manager-button1 =
+    .title = 管理页面
 
 ## Main menu for adding/removing signatures