diff --git a/l10n/br/viewer.ftl b/l10n/br/viewer.ftl
index 471b9a5df02768..60a3df0cb8a7ef 100644
--- a/l10n/br/viewer.ftl
+++ b/l10n/br/viewer.ftl
@@ -287,6 +287,8 @@ pdfjs-editor-ink-opacity-input = Boullder
 pdfjs-editor-stamp-add-image-button =
     .title = Ouzhpennañ ur skeudenn
 pdfjs-editor-stamp-add-image-button-label = Ouzhpennañ ur skeudenn
+# This refers to the thickness of the line used for free highlighting (not bound to text)
+pdfjs-editor-free-highlight-thickness-input = Tevded
 pdfjs-free-text =
     .aria-label = Aozer testennoù
 pdfjs-ink =
@@ -306,7 +308,33 @@ pdfjs-editor-alt-text-save-button = Enrollañ
 
 ## Color picker
 
+pdfjs-editor-colorpicker-button =
+    .title = Cheñch liv
+pdfjs-editor-colorpicker-yellow =
+    .title = Melen
+pdfjs-editor-colorpicker-blue =
+    .title = Glas
+pdfjs-editor-colorpicker-pink =
+    .title = Roz
+pdfjs-editor-colorpicker-red =
+    .title = Ruz
 
 ## Show all highlights
 ## This is a toggle button to show/hide all the highlights.
 
+pdfjs-editor-highlight-show-all-button-label = Diskouez pep tra
+pdfjs-editor-highlight-show-all-button =
+    .title = Diskouez pep tra
+
+## 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-disclaimer-learn-more-url = Gouzout hiroc’h
+pdfjs-editor-new-alt-text-error-close-button = Serriñ
+
+## Image alt-text settings
+
+pdfjs-editor-alt-text-settings-delete-model-button = Dilemel
+pdfjs-editor-alt-text-settings-download-model-button = Pellgargañ
+pdfjs-editor-alt-text-settings-downloading-model-button = O pellgargañ…
+pdfjs-editor-alt-text-settings-close-button = Serriñ
diff --git a/l10n/es-ES/viewer.ftl b/l10n/es-ES/viewer.ftl
index b7705e5c8f41de..43df2afc18c880 100644
--- a/l10n/es-ES/viewer.ftl
+++ b/l10n/es-ES/viewer.ftl
@@ -105,6 +105,14 @@ pdfjs-document-properties-button-label = Propiedades del documento…
 pdfjs-document-properties-file-name = Nombre de archivo:
 pdfjs-document-properties-file-size = Tamaño de archivo:
 # 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 = Palabras clave:
 pdfjs-document-properties-creation-date = Fecha de creación:
 pdfjs-document-properties-modification-date = Fecha de modificación:
 # 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 = [Anotación { $type }]
+# Variables:
+#   $dateObj (Date) - the modification date and time of the annotation
+pdfjs-annotation-date-time-string = { DATETIME($dateObj, dateStyle: "short", timeStyle: "medium") }
 
 ## Password
 
@@ -412,9 +426,44 @@ 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.
 
+# Modal header positioned above a text box where users can edit the alt text.
+pdfjs-editor-new-alt-text-dialog-edit-label = Editar texto alternativo (descripción de la imagen)
+# Modal header positioned above a text box where users can add the alt text.
+pdfjs-editor-new-alt-text-dialog-add-label = Añadir texto alternativo (descripción de la imagen)
+pdfjs-editor-new-alt-text-textarea =
+    .placeholder = Escribir la descripción aquí…
+# This text refers to the alt text box above this description. It offers a definition of alt text.
+pdfjs-editor-new-alt-text-description = Breve descripción para las personas que no pueden ver la imagen o cuando la imagen no se carga.
+# 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 = Este texto alternativo fue creado automáticamente y puede ser inexacto.
+pdfjs-editor-new-alt-text-disclaimer-learn-more-url = Saber más
+pdfjs-editor-new-alt-text-create-automatically-button-label = Crear texto alternativo automáticamente
+pdfjs-editor-new-alt-text-not-now-button = Ahora no
+pdfjs-editor-new-alt-text-error-title = No se ha podido crear el texto alternativo automáticamente
+pdfjs-editor-new-alt-text-error-description = Escriba su propio texto alternativo o inténtelo de nuevo más tarde.
+pdfjs-editor-new-alt-text-error-close-button = Cerrar
+# Variables:
+#   $totalSize (Number) - the total size (in MB) of the AI model.
+#   $downloadedSize (Number) - the downloaded size (in MB) of the AI model.
+#   $percent (Number) - the percentage of the downloaded size.
+pdfjs-editor-new-alt-text-ai-model-downloading-progress = Descargando el modelo de IA de texto alternativo ({ $downloadedSize } de { $totalSize } MB)
+    .aria-valuetext = Descargando el modelo de IA de texto alternativo ({ $downloadedSize } de { $totalSize } MB)
+# This is a button that users can click to edit the alt text they have already added.
+pdfjs-editor-new-alt-text-added-button-label = Se añadió el texto alternativo
+# This is a button that users can click to open the alt text editor and add alt text when it is not present.
+pdfjs-editor-new-alt-text-missing-button-label = Falta el texto alternativo
+# This is a button that opens up the alt text modal where users should review the alt text that was automatically generated.
+pdfjs-editor-new-alt-text-to-review-button-label = Revisar el texto alternativo
+# "Created automatically" is a prefix that will be added to the beginning of any alt text that has been automatically generated. After the colon, the user will see/hear the actual alt text description. If the alt text has been edited by a human, this prefix will not appear.
+# Variables:
+#   $generatedAltText (String) - the generated alt-text.
+pdfjs-editor-new-alt-text-generated-alt-text-with-disclaimer = Creado automáticamente: { $generatedAltText }
 
 ## Image alt-text settings
 
+pdfjs-image-alt-text-settings-button =
+    .title = Ajustes del texto alternativo de la imagen
+pdfjs-image-alt-text-settings-button-label = Ajustes del texto alternativo de la imagen
 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
diff --git a/l10n/es-MX/viewer.ftl b/l10n/es-MX/viewer.ftl
index 5ca090a9ce8502..6487dcc32e00f5 100644
--- a/l10n/es-MX/viewer.ftl
+++ b/l10n/es-MX/viewer.ftl
@@ -220,6 +220,21 @@ pdfjs-find-match-diacritics-checkbox-label = Coincidir diacríticos
 pdfjs-find-entire-word-checkbox-label = Palabras completas
 pdfjs-find-reached-top = Se alcanzó el inicio del documento, se buscará al final
 pdfjs-find-reached-bottom = Se alcanzó el final del documento, se buscará al inicio
+# Variables:
+#   $current (Number) - the index of the currently active find result
+#   $total (Number) - the total number of matches in the document
+pdfjs-find-match-count =
+    { $total ->
+        [one] { $current } de { $total } coincidencia
+       *[other] { $current } de { $total } coincidencias
+    }
+# Variables:
+#   $limit (Number) - the maximum number of matches
+pdfjs-find-match-count-limit =
+    { $limit ->
+        [one] Más de { $limit } coincidencia
+       *[other] Más de { $limit } coincidencias
+    }
 pdfjs-find-not-found = No se encontró la frase
 
 ## Predefined zoom values
@@ -277,9 +292,27 @@ pdfjs-editor-free-text-button-label = Texto
 pdfjs-editor-ink-button =
     .title = Dibujar
 pdfjs-editor-ink-button-label = Dibujar
+pdfjs-editor-stamp-button =
+    .title = Agregar o editar imágenes
+pdfjs-editor-stamp-button-label = Agregar o editar imágenes
+pdfjs-editor-highlight-button =
+    .title = Destacar
+pdfjs-editor-highlight-button-label = Destacar
+pdfjs-highlight-floating-button1 =
+    .title = Destacados
+    .aria-label = Destacados
+pdfjs-highlight-floating-button-label = Destacados
 
 ## Remove button for the various kind of editor.
 
+pdfjs-editor-remove-ink-button =
+    .title = Eliminar dibujo
+pdfjs-editor-remove-freetext-button =
+    .title = Eliminar texto
+pdfjs-editor-remove-stamp-button =
+    .title = Eliminar imagen
+pdfjs-editor-remove-highlight-button =
+    .title = Eliminar destacado
 
 ##
 
@@ -289,6 +322,13 @@ pdfjs-editor-free-text-size-input = Tamaño
 pdfjs-editor-ink-color-input = Color
 pdfjs-editor-ink-thickness-input = Grossor
 pdfjs-editor-ink-opacity-input = Opacidad
+pdfjs-editor-stamp-add-image-button =
+    .title = Agregar imagen
+pdfjs-editor-stamp-add-image-button-label = Agregar imagen
+# This refers to the thickness of the line used for free highlighting (not bound to text)
+pdfjs-editor-free-highlight-thickness-input = Espesor
+pdfjs-editor-free-highlight-thickness-title =
+    .title = Cambiar el grosor al resaltar elementos que no sean texto
 pdfjs-free-text =
     .aria-label = Editor de texto
 pdfjs-free-text-default-content = Empieza a escribir…
@@ -299,15 +339,42 @@ pdfjs-ink-canvas =
 
 ## Alt-text dialog
 
+# Alternative text (alt text) helps when people can't see the image.
+pdfjs-editor-alt-text-button-label = Texto alternativo
+pdfjs-editor-alt-text-edit-button-label = Editar texto alternativo
+pdfjs-editor-alt-text-dialog-label = Elige una opción
+pdfjs-editor-alt-text-dialog-description = El texto alternativo (texto alternativo) ayuda cuando las personas no pueden ver la imagen o cuando no se carga.
+pdfjs-editor-alt-text-add-description-label = Añadir una descripción
+pdfjs-editor-alt-text-add-description-description = Intente escribir 1 o 2 oraciones que describan el tema, el entorno o las acciones.
+pdfjs-editor-alt-text-mark-decorative-label = Marcar como decorativo
+pdfjs-editor-alt-text-mark-decorative-description = Se utiliza para imágenes ornamentales, como bordes o marcas de agua.
+pdfjs-editor-alt-text-cancel-button = Cancelar
+pdfjs-editor-alt-text-save-button = Guardar
+pdfjs-editor-alt-text-decorative-tooltip = Marcado como decorativo
+# .placeholder: This is a placeholder for the alt text input area
+pdfjs-editor-alt-text-textarea =
+    .placeholder = Por ejemplo: “Un joven se sienta a la mesa a comer”
 
 ## Editor resizers
 ## This is used in an aria label to help to understand the role of the resizer.
 
+pdfjs-editor-resizer-label-top-left = Esquina superior izquierda: cambiar el tamaño
+pdfjs-editor-resizer-label-top-middle = Arriba en el medio: cambiar el tamaño
+pdfjs-editor-resizer-label-top-right = Esquina superior derecha: cambiar el tamaño
+pdfjs-editor-resizer-label-middle-right = Centro derecha: cambiar el tamaño
+pdfjs-editor-resizer-label-bottom-right = Esquina inferior derecha: cambiar el tamaño
+pdfjs-editor-resizer-label-bottom-middle = Abajo en el medio: cambiar el tamaño
+pdfjs-editor-resizer-label-bottom-left = Esquina inferior izquierda: cambiar el tamaño
+pdfjs-editor-resizer-label-middle-left = Centro izquierda: cambiar el tamaño
 
 ## Color picker
 
+# This means "Color used to highlight text"
+pdfjs-editor-highlight-colorpicker-label = Color de resaltado
 pdfjs-editor-colorpicker-button =
     .title = Cambiar color
+pdfjs-editor-colorpicker-dropdown =
+    .aria-label = Opciones de color
 pdfjs-editor-colorpicker-yellow =
     .title = Amarillo
 pdfjs-editor-colorpicker-green =
@@ -325,3 +392,10 @@ pdfjs-editor-colorpicker-red =
 pdfjs-editor-highlight-show-all-button-label = Mostrar todo
 pdfjs-editor-highlight-show-all-button =
     .title = Mostrar todo
+
+## 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.
+
+
+## Image alt-text settings
+
diff --git a/l10n/eu/viewer.ftl b/l10n/eu/viewer.ftl
index 93719e0f075b16..7675ffea6a6a85 100644
--- a/l10n/eu/viewer.ftl
+++ b/l10n/eu/viewer.ftl
@@ -105,6 +105,14 @@ pdfjs-document-properties-button-label = Dokumentuaren propietateak…
 pdfjs-document-properties-file-name = Fitxategi-izena:
 pdfjs-document-properties-file-size = Fitxategiaren tamaina:
 # 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 } byte)
+# 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 } byte)
+# 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 } byte)
@@ -119,6 +127,9 @@ pdfjs-document-properties-keywords = Gako-hitzak:
 pdfjs-document-properties-creation-date = Sortze-data:
 pdfjs-document-properties-modification-date = Aldatze-data:
 # 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 = [{ $type } ohartarazpena]
+# Variables:
+#   $dateObj (Date) - the modification date and time of the annotation
+pdfjs-annotation-date-time-string = { DATETIME($dateObj, dateStyle: "short", timeStyle: "medium") }
 
 ## Password
 
@@ -412,6 +426,56 @@ 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.
 
+# Modal header positioned above a text box where users can edit the alt text.
+pdfjs-editor-new-alt-text-dialog-edit-label = Editatu testu alternatiboa (irudiaren azalpena)
+# Modal header positioned above a text box where users can add the alt text.
+pdfjs-editor-new-alt-text-dialog-add-label = Gehitu testu alternatiboa (irudiaren azalpena)
+pdfjs-editor-new-alt-text-textarea =
+    .placeholder = Idatzi zure azalpena hemen…
+# This text refers to the alt text box above this description. It offers a definition of alt text.
+pdfjs-editor-new-alt-text-description = Azalpen laburra irudia ikusi ezin duen jendearentzat edo irudia kargatu ezin denerako.
+# 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 = Testu alternatibo hau automatikoki sortu da eta okerra izan liteke.
+pdfjs-editor-new-alt-text-disclaimer-learn-more-url = Argibide gehiago
+pdfjs-editor-new-alt-text-create-automatically-button-label = Sortu testu alternatiboa automatikoki
+pdfjs-editor-new-alt-text-not-now-button = Une honetan ez
+pdfjs-editor-new-alt-text-error-title = Ezin da testu alternatiboa automatikoki sortu
+pdfjs-editor-new-alt-text-error-description = Idatzi zure testu alternatibo propioa edo saiatu berriro geroago.
+pdfjs-editor-new-alt-text-error-close-button = Itxi
+# Variables:
+#   $totalSize (Number) - the total size (in MB) of the AI model.
+#   $downloadedSize (Number) - the downloaded size (in MB) of the AI model.
+#   $percent (Number) - the percentage of the downloaded size.
+pdfjs-editor-new-alt-text-ai-model-downloading-progress = Testu alternatiboaren AA modeloa deskargatzen ({ $totalSize }/{ $downloadedSize } MB)
+    .aria-valuetext = Testu alternatiboaren AA modeloa deskargatzen ({ $totalSize }/{ $downloadedSize } MB)
+# This is a button that users can click to edit the alt text they have already added.
+pdfjs-editor-new-alt-text-added-button-label = Testu alternatiboa gehituta
+# This is a button that users can click to open the alt text editor and add alt text when it is not present.
+pdfjs-editor-new-alt-text-missing-button-label = Testu alternatiboa falta da
+# This is a button that opens up the alt text modal where users should review the alt text that was automatically generated.
+pdfjs-editor-new-alt-text-to-review-button-label = Berrikusi testu alternatiboa
+# "Created automatically" is a prefix that will be added to the beginning of any alt text that has been automatically generated. After the colon, the user will see/hear the actual alt text description. If the alt text has been edited by a human, this prefix will not appear.
+# Variables:
+#   $generatedAltText (String) - the generated alt-text.
+pdfjs-editor-new-alt-text-generated-alt-text-with-disclaimer = Automatikoki sortua: { $generatedAltText }
 
 ## Image alt-text settings
 
+pdfjs-image-alt-text-settings-button =
+    .title = Irudiaren testu alternatiboaren ezarpenak
+pdfjs-image-alt-text-settings-button-label = Irudiaren testu alternatiboaren ezarpenak
+pdfjs-editor-alt-text-settings-dialog-label = Irudiaren testu alternatiboaren ezarpenak
+pdfjs-editor-alt-text-settings-automatic-title = Testu alternatibo automatikoa
+pdfjs-editor-alt-text-settings-create-model-button-label = Sortu testu alternatiboa automatikoki
+pdfjs-editor-alt-text-settings-create-model-description = Azalpenak iradokitzen ditu irudia ikusi ezin duen jendearentzat edo irudia kargatu ezin denerako.
+# Variables:
+#   $totalSize (Number) - the total size (in MB) of the AI model.
+pdfjs-editor-alt-text-settings-download-model-label = Testu alternatiboaren AA modeloa ({ $totalSize } MB)
+pdfjs-editor-alt-text-settings-ai-model-description = Zure gailuan modu lokalean exekutatzen da eta zure datuak pribatu mantentzen dira. Testu alternatibo automatikorako beharrezkoa.
+pdfjs-editor-alt-text-settings-delete-model-button = Ezabatu
+pdfjs-editor-alt-text-settings-download-model-button = Deskargatu
+pdfjs-editor-alt-text-settings-downloading-model-button = Deskargatzen…
+pdfjs-editor-alt-text-settings-editor-title = Testu alternatiboaren editorea
+pdfjs-editor-alt-text-settings-show-dialog-button-label = Erakutsi testu alternatiboa irudi bat gehitzean berehala
+pdfjs-editor-alt-text-settings-show-dialog-description = Zure irudiek testu alternatiboa duela ziurtatzen laguntzen dizu.
+pdfjs-editor-alt-text-settings-close-button = Itxi
diff --git a/l10n/tg/viewer.ftl b/l10n/tg/viewer.ftl
index 18182fe081be87..8b25bad6f7eb5d 100644
--- a/l10n/tg/viewer.ftl
+++ b/l10n/tg/viewer.ftl
@@ -433,7 +433,10 @@ pdfjs-editor-new-alt-text-dialog-add-label = Илова кардани матн
 pdfjs-editor-new-alt-text-textarea =
     .placeholder = Тафсири худро дар ин ҷо нависед…
 pdfjs-editor-new-alt-text-disclaimer-learn-more-url = Маълумоти бештар
+pdfjs-editor-new-alt-text-create-automatically-button-label = Ба таври худкор эҷод кардани матни иловагӣ
 pdfjs-editor-new-alt-text-not-now-button = Ҳоло не
+pdfjs-editor-new-alt-text-error-title = Матни иловагӣ ба таври худкор эҷод карда нашуд
+pdfjs-editor-new-alt-text-error-description = Лутфан, матни иловагии худро ворид кунед ё баъдтар аз нав кӯшиш кунед.
 pdfjs-editor-new-alt-text-error-close-button = Пӯшидан
 # This is a button that users can click to edit the alt text they have already added.
 pdfjs-editor-new-alt-text-added-button-label = Матни иловагӣ илова карда шуд
diff --git a/l10n/th/viewer.ftl b/l10n/th/viewer.ftl
index 26cb0323cbda31..3aefcef0a7f036 100644
--- a/l10n/th/viewer.ftl
+++ b/l10n/th/viewer.ftl
@@ -105,6 +105,14 @@ pdfjs-document-properties-button-label = คุณสมบัติเอกส
 pdfjs-document-properties-file-name = ชื่อไฟล์:
 pdfjs-document-properties-file-size = ขนาดไฟล์:
 # 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 } ไบต์)
+# 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 } ไบต์)
+# 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 } ไบต์)
@@ -119,6 +127,9 @@ pdfjs-document-properties-keywords = คำสำคัญ:
 pdfjs-document-properties-creation-date = วันที่สร้าง:
 pdfjs-document-properties-modification-date = วันที่แก้ไข:
 # 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 }
@@ -267,6 +278,9 @@ pdfjs-annotation-date-string = { $date }, { $time }
 # Some common types are e.g.: "Check", "Text", "Comment", "Note"
 pdfjs-text-annotation-type =
     .alt = [คำอธิบายประกอบ { $type }]
+# Variables:
+#   $dateObj (Date) - the modification date and time of the annotation
+pdfjs-annotation-date-time-string = { DATETIME($dateObj, dateStyle: "short", timeStyle: "medium") }
 
 ## Password