diff --git a/l10n/es-ES/viewer.ftl b/l10n/es-ES/viewer.ftl
index 11075c7e1a508..b7705e5c8f41d 100644
--- a/l10n/es-ES/viewer.ftl
+++ b/l10n/es-ES/viewer.ftl
@@ -415,3 +415,18 @@ pdfjs-editor-highlight-show-all-button =
 
 ## Image alt-text settings
 
+pdfjs-editor-alt-text-settings-dialog-label = Ajustes del texto alternativo de la imagen
+pdfjs-editor-alt-text-settings-automatic-title = Texto alternativo automático
+pdfjs-editor-alt-text-settings-create-model-button-label = Crear texto alternativo automáticamente
+pdfjs-editor-alt-text-settings-create-model-description = Sugiere descripciones para ayudar a las personas que no pueden ver la imagen o cuando la imagen no se carga.
+# Variables:
+#   $totalSize (Number) - the total size (in MB) of the AI model.
+pdfjs-editor-alt-text-settings-download-model-label = Modelo de IA de texto alternativo ({ $totalSize } MB)
+pdfjs-editor-alt-text-settings-ai-model-description = Se ejecuta localmente en el dispositivo para que los datos se mantengan privados. Requerido para texto alternativo automático.
+pdfjs-editor-alt-text-settings-delete-model-button = Eliminar
+pdfjs-editor-alt-text-settings-download-model-button = Descargar
+pdfjs-editor-alt-text-settings-downloading-model-button = Descargando…
+pdfjs-editor-alt-text-settings-editor-title = Editor de texto alternativo
+pdfjs-editor-alt-text-settings-show-dialog-button-label = Mostrar el editor de texto alternativo inmediatamente al añadir una imagen
+pdfjs-editor-alt-text-settings-show-dialog-description = Le ayuda a asegurarse de que todas sus imágenes tengan texto alternativo.
+pdfjs-editor-alt-text-settings-close-button = Cerrar
diff --git a/l10n/hr/viewer.ftl b/l10n/hr/viewer.ftl
index 968c2f9745bb8..0c66341f762d7 100644
--- a/l10n/hr/viewer.ftl
+++ b/l10n/hr/viewer.ftl
@@ -414,6 +414,8 @@ pdfjs-editor-highlight-show-all-button =
 ## New alt-text dialog
 ## Group note for entire feature: Alternative text (alt text) helps when people can't see the image. This feature includes a tool to create alt text automatically using an AI model that works locally on the user's device to preserve privacy.
 
+pdfjs-editor-new-alt-text-textarea =
+    .placeholder = Ovdje upiši tvoj opis …
 # This is a required legal disclaimer that refers to the automatically created text inside the alt text box above this text. It disappears if the text is edited by a human.
 pdfjs-editor-new-alt-text-disclaimer1 = Ovaj je alternativni tekst stvoren automatski i može biti netočan.
 pdfjs-editor-new-alt-text-disclaimer-learn-more-url = Saznaj više
diff --git a/l10n/pl/viewer.ftl b/l10n/pl/viewer.ftl
index 100832cf6230d..5ed53a29c3ff9 100644
--- a/l10n/pl/viewer.ftl
+++ b/l10n/pl/viewer.ftl
@@ -105,6 +105,14 @@ pdfjs-document-properties-button-label = Właściwości dokumentu…
 pdfjs-document-properties-file-name = Nazwa pliku:
 pdfjs-document-properties-file-size = Rozmiar pliku:
 # Variables:
+#   $kb (Number) - the PDF file size in kilobytes
+#   $b (Number) - the PDF file size in bytes
+pdfjs-document-properties-size-kb = { NUMBER($kb, maximumSignificantDigits: 3) } KB ({ $b } B)
+# Variables:
+#   $mb (Number) - the PDF file size in megabytes
+#   $b (Number) - the PDF file size in bytes
+pdfjs-document-properties-size-mb = { NUMBER($mb, maximumSignificantDigits: 3) } MB ({ $b } B)
+# Variables:
 #   $size_kb (Number) - the PDF file size in kilobytes
 #   $size_b (Number) - the PDF file size in bytes
 pdfjs-document-properties-kb = { $size_kb } KB ({ $size_b } B)
@@ -119,6 +127,9 @@ pdfjs-document-properties-keywords = Słowa kluczowe:
 pdfjs-document-properties-creation-date = Data utworzenia:
 pdfjs-document-properties-modification-date = Data modyfikacji:
 # Variables:
+#   $dateObj (Date) - the creation/modification date and time of the PDF file
+pdfjs-document-properties-date-time-string = { DATETIME($dateObj, dateStyle: "short", timeStyle: "medium") }
+# Variables:
 #   $date (Date) - the creation/modification date of the PDF file
 #   $time (Time) - the creation/modification time of the PDF file
 pdfjs-document-properties-date-string = { $date }, { $time }
@@ -277,6 +288,9 @@ pdfjs-annotation-date-string = { $date }, { $time }
 # Some common types are e.g.: "Check", "Text", "Comment", "Note"
 pdfjs-text-annotation-type =
     .alt = [Przypis: { $type }]
+# Variables:
+#   $dateObj (Date) - the modification date and time of the annotation
+pdfjs-annotation-date-time-string = { DATETIME($dateObj, dateStyle: "short", timeStyle: "medium") }
 
 ## Password
 
diff --git a/l10n/pt-PT/viewer.ftl b/l10n/pt-PT/viewer.ftl
index 0c3b9a91c4f0b..4184c0aa95b8f 100644
--- a/l10n/pt-PT/viewer.ftl
+++ b/l10n/pt-PT/viewer.ftl
@@ -105,6 +105,14 @@ pdfjs-document-properties-button-label = Propriedades do documento…
 pdfjs-document-properties-file-name = Nome do ficheiro:
 pdfjs-document-properties-file-size = Tamanho do ficheiro:
 # Variables:
+#   $kb (Number) - the PDF file size in kilobytes
+#   $b (Number) - the PDF file size in bytes
+pdfjs-document-properties-size-kb = { NUMBER($kb, maximumSignificantDigits: 3) } KB ({ $b } bytes)
+# Variables:
+#   $mb (Number) - the PDF file size in megabytes
+#   $b (Number) - the PDF file size in bytes
+pdfjs-document-properties-size-mb = { NUMBER($mb, maximumSignificantDigits: 3) } MB ({ $b } bytes)
+# Variables:
 #   $size_kb (Number) - the PDF file size in kilobytes
 #   $size_b (Number) - the PDF file size in bytes
 pdfjs-document-properties-kb = { $size_kb } KB ({ $size_b } bytes)
@@ -119,6 +127,9 @@ pdfjs-document-properties-keywords = Palavras-chave:
 pdfjs-document-properties-creation-date = Data de criação:
 pdfjs-document-properties-modification-date = Data de modificação:
 # Variables:
+#   $dateObj (Date) - the creation/modification date and time of the PDF file
+pdfjs-document-properties-date-time-string = { DATETIME($dateObj, dateStyle: "short", timeStyle: "medium") }
+# Variables:
 #   $date (Date) - the creation/modification date of the PDF file
 #   $time (Time) - the creation/modification time of the PDF file
 pdfjs-document-properties-date-string = { $date }, { $time }
@@ -275,6 +286,9 @@ pdfjs-annotation-date-string = { $date }, { $time }
 # Some common types are e.g.: "Check", "Text", "Comment", "Note"
 pdfjs-text-annotation-type =
     .alt = [Anotação { $type }]
+# Variables:
+#   $dateObj (Date) - the modification date and time of the annotation
+pdfjs-annotation-date-time-string = { DATETIME($dateObj, dateStyle: "short", timeStyle: "medium") }
 
 ## Password
 
diff --git a/l10n/skr/viewer.ftl b/l10n/skr/viewer.ftl
index b6a258d7d3c87..186f61474399c 100644
--- a/l10n/skr/viewer.ftl
+++ b/l10n/skr/viewer.ftl
@@ -471,6 +471,7 @@ pdfjs-editor-alt-text-settings-create-model-description = اُنہاں لوکا
 # Variables:
 #   $totalSize (Number) - the total size (in MB) of the AI model.
 pdfjs-editor-alt-text-settings-download-model-label = آلٹ عبارت اے آئی ماڈل ({ $totalSize } ایم بی)
+pdfjs-editor-alt-text-settings-ai-model-description = تہاݙی ڈیوائس تے مقامی طور تے چلدا ہے تاں جو تہاݙا ڈیٹا نجی رہوے۔ خودکار آلٹ عبارت کیتے ضروری ہے۔
 pdfjs-editor-alt-text-settings-delete-model-button = مٹاؤ
 pdfjs-editor-alt-text-settings-download-model-button = ڈاؤن لوڈ
 pdfjs-editor-alt-text-settings-downloading-model-button = ڈاؤن لوڈ تھیندا پئے …