diff --git a/gulpfile.mjs b/gulpfile.mjs
index 484988e8ec0a6..5bfffffd8fdf7 100644
--- a/gulpfile.mjs
+++ b/gulpfile.mjs
@@ -224,7 +224,7 @@ function createWebpackConfig(
         [
           "@babel/preset-env",
           {
-            corejs: "3.35.1",
+            corejs: "3.36.0",
             exclude: ["web.structured-clone"],
             shippedProposals: true,
             useBuiltIns: "usage",
diff --git a/l10n/cs/viewer.ftl b/l10n/cs/viewer.ftl
index 583d0a67b1b11..08ccfa9b56f33 100644
--- a/l10n/cs/viewer.ftl
+++ b/l10n/cs/viewer.ftl
@@ -305,8 +305,6 @@ pdfjs-editor-ink-button-label = Kreslení
 pdfjs-editor-stamp-button =
     .title = Přidání či úprava obrázků
 pdfjs-editor-stamp-button-label = Přidání či úprava obrázků
-pdfjs-editor-remove-button =
-    .title = Odebrat
 pdfjs-editor-highlight-button =
     .title = Zvýraznění
 pdfjs-editor-highlight-button-label = Zvýraznění
@@ -333,6 +331,10 @@ pdfjs-editor-ink-opacity-input = Průhlednost
 pdfjs-editor-stamp-add-image-button =
     .title = Přidat obrázek
 pdfjs-editor-stamp-add-image-button-label = Přidat obrázek
+# This refers to the thickness of the line used for free highlighting (not bound to text)
+pdfjs-editor-free-highlight-thickness-input = Tloušťka
+pdfjs-editor-free-highlight-thickness-title =
+    .title = Změna tloušťky při zvýrazňování jiných položek než textu
 pdfjs-free-text =
     .aria-label = Textový editor
 pdfjs-free-text-default-content = Začněte psát…
diff --git a/l10n/cy/viewer.ftl b/l10n/cy/viewer.ftl
index fb966b2ec486c..257060427267a 100644
--- a/l10n/cy/viewer.ftl
+++ b/l10n/cy/viewer.ftl
@@ -44,10 +44,10 @@ pdfjs-save-button =
 pdfjs-save-button-label = Cadw
 # Used in Firefox for Android as a tooltip for the download button (“download” is a verb).
 pdfjs-download-button =
-    .title = Llwytho i Lawr
+    .title = Llwytho i lawr
 # Used in Firefox for Android as a label for the download button (“download” is a verb).
 # Length of the translation matters since we are in a mobile context, with limited screen estate.
-pdfjs-download-button-label = Llwytho i Lawr
+pdfjs-download-button-label = Llwytho i lawr
 pdfjs-bookmark-button =
     .title = Tudalen Gyfredol (Gweld URL o'r Dudalen Gyfredol)
 pdfjs-bookmark-button-label = Tudalen Gyfredol
diff --git a/l10n/da/viewer.ftl b/l10n/da/viewer.ftl
index db835780ee4c9..aa05d2bfc9d46 100644
--- a/l10n/da/viewer.ftl
+++ b/l10n/da/viewer.ftl
@@ -301,8 +301,9 @@ pdfjs-editor-ink-button-label = Tegn
 pdfjs-editor-stamp-button =
     .title = Tilføj eller rediger billeder
 pdfjs-editor-stamp-button-label = Tilføj eller rediger billeder
-pdfjs-editor-remove-button =
-    .title = Fjern
+pdfjs-editor-highlight-button =
+    .title = Fremhæv
+pdfjs-editor-highlight-button-label = Fremhæv
 
 ## Remove button for the various kind of editor.
 
@@ -326,6 +327,10 @@ pdfjs-editor-ink-opacity-input = Uigennemsigtighed
 pdfjs-editor-stamp-add-image-button =
     .title = Tilføj billede
 pdfjs-editor-stamp-add-image-button-label = Tilføj billede
+# This refers to the thickness of the line used for free highlighting (not bound to text)
+pdfjs-editor-free-highlight-thickness-input = Tykkelse
+pdfjs-editor-free-highlight-thickness-title =
+    .title = Ændr tykkelse, når andre elementer end tekst fremhæves
 pdfjs-free-text =
     .aria-label = Teksteditor
 pdfjs-free-text-default-content = Begynd at skrive…
diff --git a/l10n/el/viewer.ftl b/l10n/el/viewer.ftl
index 7bd8c4dd500d4..6965e037b237f 100644
--- a/l10n/el/viewer.ftl
+++ b/l10n/el/viewer.ftl
@@ -329,6 +329,8 @@ pdfjs-editor-stamp-add-image-button =
 pdfjs-editor-stamp-add-image-button-label = Προσθήκη εικόνας
 # This refers to the thickness of the line used for free highlighting (not bound to text)
 pdfjs-editor-free-highlight-thickness-input = Πάχος
+pdfjs-editor-free-highlight-thickness-title =
+    .title = Αλλαγή πάχους κατά την επισήμανση στοιχείων εκτός κειμένου
 pdfjs-free-text =
     .aria-label = Επεξεργασία κειμένου
 pdfjs-free-text-default-content = Ξεκινήστε να πληκτρολογείτε…
diff --git a/l10n/eo/viewer.ftl b/l10n/eo/viewer.ftl
index 6a81073bb468b..714b7b80d19f2 100644
--- a/l10n/eo/viewer.ftl
+++ b/l10n/eo/viewer.ftl
@@ -301,8 +301,6 @@ pdfjs-editor-ink-button-label = Desegni
 pdfjs-editor-stamp-button =
     .title = Aldoni aŭ modifi bildojn
 pdfjs-editor-stamp-button-label = Aldoni aŭ modifi bildojn
-pdfjs-editor-remove-button =
-    .title = Forigi
 pdfjs-editor-highlight-button =
     .title = Elstarigi
 pdfjs-editor-highlight-button-label = Elstarigi
@@ -329,6 +327,10 @@ pdfjs-editor-ink-opacity-input = Maldiafaneco
 pdfjs-editor-stamp-add-image-button =
     .title = Aldoni bildon
 pdfjs-editor-stamp-add-image-button-label = Aldoni bildon
+# This refers to the thickness of the line used for free highlighting (not bound to text)
+pdfjs-editor-free-highlight-thickness-input = Dikeco
+pdfjs-editor-free-highlight-thickness-title =
+    .title = Ŝanĝi dikecon dum elstarigo de netekstaj elementoj
 pdfjs-free-text =
     .aria-label = Tekstan redaktilon
 pdfjs-free-text-default-content = Ektajpi…
diff --git a/l10n/fur/viewer.ftl b/l10n/fur/viewer.ftl
index 3e4b97ffc6bc2..313c8e765d6ae 100644
--- a/l10n/fur/viewer.ftl
+++ b/l10n/fur/viewer.ftl
@@ -329,6 +329,8 @@ pdfjs-editor-stamp-add-image-button =
 pdfjs-editor-stamp-add-image-button-label = Zonte imagjin
 # This refers to the thickness of the line used for free highlighting (not bound to text)
 pdfjs-editor-free-highlight-thickness-input = Spessôr
+pdfjs-editor-free-highlight-thickness-title =
+    .title = Modifiche il spessôr de selezion pai elements che no son testuâi
 pdfjs-free-text =
     .aria-label = Editôr di test
 pdfjs-free-text-default-content = Scomence a scrivi…
diff --git a/l10n/he/viewer.ftl b/l10n/he/viewer.ftl
index 7f524ff128712..fce6bf1f0dca0 100644
--- a/l10n/he/viewer.ftl
+++ b/l10n/he/viewer.ftl
@@ -329,6 +329,8 @@ pdfjs-editor-stamp-add-image-button =
 pdfjs-editor-stamp-add-image-button-label = הוספת תמונה
 # This refers to the thickness of the line used for free highlighting (not bound to text)
 pdfjs-editor-free-highlight-thickness-input = עובי
+pdfjs-editor-free-highlight-thickness-title =
+    .title = שינוי עובי בעת הדגשת פריטים שאינם טקסט
 pdfjs-free-text =
     .aria-label = עורך טקסט
 pdfjs-free-text-default-content = להתחיל להקליד…
diff --git a/l10n/ja/viewer.ftl b/l10n/ja/viewer.ftl
index a138baf3092a3..504f26bcbb151 100644
--- a/l10n/ja/viewer.ftl
+++ b/l10n/ja/viewer.ftl
@@ -329,6 +329,8 @@ pdfjs-editor-stamp-add-image-button =
 pdfjs-editor-stamp-add-image-button-label = 画像を追加
 # This refers to the thickness of the line used for free highlighting (not bound to text)
 pdfjs-editor-free-highlight-thickness-input = 太さ
+pdfjs-editor-free-highlight-thickness-title =
+    .title = テキスト以外のアイテムを強調する時の太さを変更します
 pdfjs-free-text =
     .aria-label = フリーテキスト注釈エディター
 pdfjs-free-text-default-content = テキストを入力してください...
diff --git a/l10n/pl/viewer.ftl b/l10n/pl/viewer.ftl
index 03731a796e582..332b5e0950bb9 100644
--- a/l10n/pl/viewer.ftl
+++ b/l10n/pl/viewer.ftl
@@ -303,8 +303,6 @@ pdfjs-editor-ink-button-label = Rysunek
 pdfjs-editor-stamp-button =
     .title = Dodaj lub edytuj obrazy
 pdfjs-editor-stamp-button-label = Dodaj lub edytuj obrazy
-pdfjs-editor-remove-button =
-    .title = Usuń
 pdfjs-editor-highlight-button =
     .title = Wyróżnij
 pdfjs-editor-highlight-button-label = Wyróżnij
@@ -331,6 +329,10 @@ pdfjs-editor-ink-opacity-input = Nieprzezroczystość
 pdfjs-editor-stamp-add-image-button =
     .title = Dodaj obraz
 pdfjs-editor-stamp-add-image-button-label = Dodaj obraz
+# This refers to the thickness of the line used for free highlighting (not bound to text)
+pdfjs-editor-free-highlight-thickness-input = Grubość
+pdfjs-editor-free-highlight-thickness-title =
+    .title = Zmień grubość podczas wyróżniania elementów innych niż tekst
 pdfjs-free-text =
     .aria-label = Edytor tekstu
 pdfjs-free-text-default-content = Zacznij pisać…
diff --git a/l10n/rm/viewer.ftl b/l10n/rm/viewer.ftl
index fc6388a070f26..dd84e3d3f824f 100644
--- a/l10n/rm/viewer.ftl
+++ b/l10n/rm/viewer.ftl
@@ -301,6 +301,9 @@ pdfjs-editor-ink-button-label = Dissegnar
 pdfjs-editor-stamp-button =
     .title = Agiuntar u modifitgar maletgs
 pdfjs-editor-stamp-button-label = Agiuntar u modifitgar maletgs
+pdfjs-editor-highlight-button =
+    .title = Marcar
+pdfjs-editor-highlight-button-label = Marcar
 
 ## Remove button for the various kind of editor.
 
diff --git a/l10n/sk/viewer.ftl b/l10n/sk/viewer.ftl
index c0115afdf5f55..6e3c4198651c3 100644
--- a/l10n/sk/viewer.ftl
+++ b/l10n/sk/viewer.ftl
@@ -128,7 +128,7 @@ pdfjs-document-properties-modification-date = Dátum úpravy:
 #   $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 }
-pdfjs-document-properties-creator = Vytvoril:
+pdfjs-document-properties-creator = Aplikácia:
 pdfjs-document-properties-producer = Tvorca PDF:
 pdfjs-document-properties-version = Verzia PDF:
 pdfjs-document-properties-page-count = Počet strán:
diff --git a/l10n/zh-CN/viewer.ftl b/l10n/zh-CN/viewer.ftl
index b31107009a802..49bcf1b45f5ed 100644
--- a/l10n/zh-CN/viewer.ftl
+++ b/l10n/zh-CN/viewer.ftl
@@ -321,6 +321,8 @@ pdfjs-editor-stamp-add-image-button =
 pdfjs-editor-stamp-add-image-button-label = 添加图像
 # This refers to the thickness of the line used for free highlighting (not bound to text)
 pdfjs-editor-free-highlight-thickness-input = 粗细
+pdfjs-editor-free-highlight-thickness-title =
+    .title = 更改高亮粗细（用于文本以外项目）
 pdfjs-free-text =
     .aria-label = 文本编辑器
 pdfjs-free-text-default-content = 开始输入…
diff --git a/package-lock.json b/package-lock.json
index 35908f18204aa..e14e3cbd1b446 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -16,9 +16,9 @@
         "@jazzer.js/core": "^2.1.0",
         "autoprefixer": "^10.4.17",
         "babel-loader": "^9.1.3",
-        "caniuse-lite": "^1.0.30001585",
+        "caniuse-lite": "^1.0.30001587",
         "canvas": "^2.11.2",
-        "core-js": "^3.35.1",
+        "core-js": "^3.36.0",
         "cross-env": "^7.0.3",
         "eslint": "^8.56.0",
         "eslint-config-prettier": "^8.10.0",
@@ -48,7 +48,7 @@
         "path2d-polyfill": "^2.0.1",
         "pngjs": "^7.0.0",
         "postcss": "^8.4.35",
-        "postcss-dark-theme-class": "^1.1.0",
+        "postcss-dark-theme-class": "^1.2.1",
         "postcss-dir-pseudo-class": "^8.0.1",
         "postcss-discard-comments": "^6.0.1",
         "postcss-nesting": "^12.0.2",
@@ -58,14 +58,14 @@
         "streamqueue": "^1.1.2",
         "stylelint": "^16.2.1",
         "stylelint-prettier": "^5.0.0",
-        "terser": "^5.27.0",
+        "terser": "^5.27.1",
         "through2": "^4.0.2",
         "tsc-alias": "^1.8.8",
         "ttest": "^4.0.0",
         "typescript": "^5.3.3",
         "typogr": "^0.6.8",
         "vinyl": "^3.0.0",
-        "webpack": "^5.90.1",
+        "webpack": "^5.90.2",
         "webpack-stream": "^7.0.0",
         "wintersmith": "^2.5.0",
         "yargs": "^17.7.2"
@@ -4174,9 +4174,9 @@
       }
     },
     "node_modules/caniuse-lite": {
-      "version": "1.0.30001585",
-      "resolved": "https://registry.npmjs.org/caniuse-lite/-/caniuse-lite-1.0.30001585.tgz",
-      "integrity": "sha512-yr2BWR1yLXQ8fMpdS/4ZZXpseBgE7o4g41x3a6AJOqZuOi+iE/WdJYAuZ6Y95i4Ohd2Y+9MzIWRR+uGABH4s3Q==",
+      "version": "1.0.30001587",
+      "resolved": "https://registry.npmjs.org/caniuse-lite/-/caniuse-lite-1.0.30001587.tgz",
+      "integrity": "sha512-HMFNotUmLXn71BQxg8cijvqxnIAofforZOwGsxyXJ0qugTdspUF4sPSJ2vhgprHCB996tIDzEq1ubumPDV8ULA==",
       "dev": true,
       "funding": [
         {
@@ -4920,9 +4920,9 @@
       }
     },
     "node_modules/core-js": {
-      "version": "3.35.1",
-      "resolved": "https://registry.npmjs.org/core-js/-/core-js-3.35.1.tgz",
-      "integrity": "sha512-IgdsbxNyMskrTFxa9lWHyMwAJU5gXOPP+1yO+K59d50VLVAIDAbs7gIv705KzALModfK3ZrSZTPNpC0PQgIZuw==",
+      "version": "3.36.0",
+      "resolved": "https://registry.npmjs.org/core-js/-/core-js-3.36.0.tgz",
+      "integrity": "sha512-mt7+TUBbTFg5+GngsAxeKBTl5/VS0guFeJacYge9OmHb+m058UwwIm41SE9T4Den7ClatV57B6TYTuJ0CX1MAw==",
       "dev": true,
       "hasInstallScript": true,
       "funding": {
@@ -13371,6 +13371,7 @@
     },
     "node_modules/npm/node_modules/lodash._baseindexof": {
       "version": "3.1.0",
+      "dev": true,
       "inBundle": true,
       "license": "MIT"
     },
@@ -13386,16 +13387,19 @@
     },
     "node_modules/npm/node_modules/lodash._bindcallback": {
       "version": "3.0.1",
+      "dev": true,
       "inBundle": true,
       "license": "MIT"
     },
     "node_modules/npm/node_modules/lodash._cacheindexof": {
       "version": "3.0.2",
+      "dev": true,
       "inBundle": true,
       "license": "MIT"
     },
     "node_modules/npm/node_modules/lodash._createcache": {
       "version": "3.1.2",
+      "dev": true,
       "inBundle": true,
       "license": "MIT",
       "dependencies": {
@@ -13410,6 +13414,7 @@
     },
     "node_modules/npm/node_modules/lodash._getnative": {
       "version": "3.9.1",
+      "dev": true,
       "inBundle": true,
       "license": "MIT"
     },
@@ -13427,6 +13432,7 @@
     },
     "node_modules/npm/node_modules/lodash.restparam": {
       "version": "3.6.1",
+      "dev": true,
       "inBundle": true,
       "license": "MIT"
     },
@@ -16363,9 +16369,9 @@
       }
     },
     "node_modules/postcss-dark-theme-class": {
-      "version": "1.1.0",
-      "resolved": "https://registry.npmjs.org/postcss-dark-theme-class/-/postcss-dark-theme-class-1.1.0.tgz",
-      "integrity": "sha512-3Njz7Ux1YuS+DDb00rKL4JbcyePEwBi2DPzHiK3Rw8HHaXwLhBSAILtyY09FjRPXj8KRyqOxIEVw4+xdO6aFdg==",
+      "version": "1.2.1",
+      "resolved": "https://registry.npmjs.org/postcss-dark-theme-class/-/postcss-dark-theme-class-1.2.1.tgz",
+      "integrity": "sha512-EzQMGOcYnE0eMBjfgB+xnamlZ8O02Aiojyg/iv84cpRUdLKZW8ankZWxWUhhIid1OF7yl4G3BeYfE+7CGY2tdQ==",
       "dev": true,
       "funding": [
         {
@@ -19301,9 +19307,9 @@
       }
     },
     "node_modules/terser": {
-      "version": "5.27.0",
-      "resolved": "https://registry.npmjs.org/terser/-/terser-5.27.0.tgz",
-      "integrity": "sha512-bi1HRwVRskAjheeYl291n3JC4GgO/Ty4z1nVs5AAsmonJulGxpSektecnNedrwK9C7vpvVtcX3cw00VSLt7U2A==",
+      "version": "5.27.1",
+      "resolved": "https://registry.npmjs.org/terser/-/terser-5.27.1.tgz",
+      "integrity": "sha512-29wAr6UU/oQpnTw5HoadwjUZnFQXGdOfj0LjZ4sVxzqwHh/QVkvr7m8y9WoR4iN3FRitVduTc6KdjcW38Npsug==",
       "dev": true,
       "dependencies": {
         "@jridgewell/source-map": "^0.3.3",
@@ -20536,9 +20542,9 @@
       "dev": true
     },
     "node_modules/webpack": {
-      "version": "5.90.1",
-      "resolved": "https://registry.npmjs.org/webpack/-/webpack-5.90.1.tgz",
-      "integrity": "sha512-SstPdlAC5IvgFnhiRok8hqJo/+ArAbNv7rhU4fnWGHNVfN59HSQFaxZDSAL3IFG2YmqxuRs+IU33milSxbPlog==",
+      "version": "5.90.2",
+      "resolved": "https://registry.npmjs.org/webpack/-/webpack-5.90.2.tgz",
+      "integrity": "sha512-ziXu8ABGr0InCMEYFnHrYweinHK2PWrMqnwdHk2oK3rRhv/1B+2FnfwYv5oD+RrknK/Pp/Hmyvu+eAsaMYhzCw==",
       "dev": true,
       "dependencies": {
         "@types/eslint-scope": "^3.7.3",
diff --git a/package.json b/package.json
index ef68adcc753f3..0445e98167d87 100644
--- a/package.json
+++ b/package.json
@@ -10,9 +10,9 @@
     "@jazzer.js/core": "^2.1.0",
     "autoprefixer": "^10.4.17",
     "babel-loader": "^9.1.3",
-    "caniuse-lite": "^1.0.30001585",
+    "caniuse-lite": "^1.0.30001587",
     "canvas": "^2.11.2",
-    "core-js": "^3.35.1",
+    "core-js": "^3.36.0",
     "cross-env": "^7.0.3",
     "eslint": "^8.56.0",
     "eslint-config-prettier": "^8.10.0",
@@ -42,7 +42,7 @@
     "path2d-polyfill": "^2.0.1",
     "pngjs": "^7.0.0",
     "postcss": "^8.4.35",
-    "postcss-dark-theme-class": "^1.1.0",
+    "postcss-dark-theme-class": "^1.2.1",
     "postcss-dir-pseudo-class": "^8.0.1",
     "postcss-discard-comments": "^6.0.1",
     "postcss-nesting": "^12.0.2",
@@ -52,14 +52,14 @@
     "streamqueue": "^1.1.2",
     "stylelint": "^16.2.1",
     "stylelint-prettier": "^5.0.0",
-    "terser": "^5.27.0",
+    "terser": "^5.27.1",
     "through2": "^4.0.2",
     "tsc-alias": "^1.8.8",
     "ttest": "^4.0.0",
     "typescript": "^5.3.3",
     "typogr": "^0.6.8",
     "vinyl": "^3.0.0",
-    "webpack": "^5.90.1",
+    "webpack": "^5.90.2",
     "webpack-stream": "^7.0.0",
     "wintersmith": "^2.5.0",
     "yargs": "^17.7.2"