diff --git a/android/KMAPro/kMAPro/src/main/res/values-b+el/strings.xml b/android/KMAPro/kMAPro/src/main/res/values-b+el/strings.xml
index 428bf5ad59..8a213122e7 100644
--- a/android/KMAPro/kMAPro/src/main/res/values-b+el/strings.xml
+++ b/android/KMAPro/kMAPro/src/main/res/values-b+el/strings.xml
@@ -16,7 +16,7 @@
   <!-- Context: Menu Action -->
   <string name="action_settings" comment="Menu action to open Settings menu">Ρυθμίσεις</string>
   <!-- Context: Menu Action -->
-  <string name="action_install_updates" comment="Menu notification that keyboard or dictionary updates available">Εγκατάσταση Ενημερώσεων</string>
+  <string name="action_install_updates" comment="Menu notification that keyboard or dictionary updates available">Ἐγκατάσταση Ἐνημερώσεων</string>
   <!-- Context: Title -->
   <string name="title_version" comment="Title of Keyman for Android version">Ἔκδοση %1$s</string>
   <!-- Context: Text label when old Chrome version installed -->
@@ -38,11 +38,11 @@
   <!-- Context: Clear Text dialog -->
   <string name="all_text_will_be_cleared" comment="Erase all the text">\nΤὸ κείμενο θὰ ἐκκαθαρισθεῖ πλήρως\n</string>
   <!-- Context: Get Started menu -->
-  <string name="get_started" comment="Menu for getting started">Μικρύνετε τὸ κείμενο</string>
+  <string name="get_started" comment="Menu for getting started">Ξεκινῆστε</string>
   <!-- Context: Get Started menu -->
   <string name="add_a_keyboard" comment="Menu item to add a keyboard">Προσθέστε πληκτρολόγιο γιὰ τὴν γλῶσσα σας</string>
   <!-- Context: Get Started menu -->
-  <string name="enable_system_keyboard" comment="Menu item to enable Keyman as system keyboard">Ὁρίστε τὸ Κῆμαν ὡς παν-συστημικὸ πληκτρολόγιο</string>
+  <string name="enable_system_keyboard" comment="Menu item to enable Keyman as system keyboard">Ὁρίστε τὸ Keyman ὡς πληκτρολόγιο συστήματος</string>
   <!-- Context: Get Started menu -->
   <string name="set_keyman_as_default" comment="Menu item to set Keyman as default system keyboard">Ὁρίστε τὸ Κῆμαν ὡς προεπιλεγμένο πληκτρολόγιο</string>
   <!-- Context: Get Started menu -->
@@ -68,6 +68,8 @@
   <!-- Context: Keyman Settings menu -->
   <string name="adjust_keyboard_height" comment="Menu action to adjust keyboard height">Μεταβολὴ ὕψους πληκτρολογίου</string>
   <!-- Context: Keyman Settings menu -->
+  <string name="adjust_longpress_delay" comment="Menu action to adjust longpress delay duration">Καθυστέρηση παρατεταμένου πατήματος</string>
+  <!-- Context: Keyman Settings menu -->
   <string name="spacebar_caption" comment="Menu action to set the spacebar caption">Λεζάντα πλήκτρου διαστήματος</string>
   <!-- Context: Keyman Settings menu / Spacebar caption -->
   <string name="spacebar_caption_keyboard" comment="Spacebar caption option - keyboard">Πληκτρολόγιο</string>
@@ -87,11 +89,11 @@
   <string name="spacebar_caption_hint_blank" comment="Spacebar caption hint - blank">Καμμία λεζάντα στὸ πλῆκτρο διαστήματος</string>
   <!-- Context: Keyman Settings menu / Haptic feedback -->
   <string name="haptic_feedback" comment="haptic feedback on key press">Δὸνηση κατὰ τὴν πληκτρολόγηση</string>
-  <!-- Context: Keyman Settings menu -->
+  <!-- Context: Keyman Settings menu. Removed in Keyman 18 -->
   <string name="show_banner" comment="text suggestions banner">Νὰ ἐμφανίζεται πάντα banner</string>
-  <!-- Context: Keyman Settings menu -->
+  <!-- Context: Keyman Settings menu. Removed in Keyman 18 -->
   <string name="show_banner_on" comment="Description when toggle is on">Πρὸς ὑλοποίησιν</string>
-  <!-- Context: Keyman Settings menu -->
+  <!-- Context: Keyman Settings menu. Removed in Keyman 18 -->
   <string name="show_banner_off" comment="Description when toggle is off">OFF: ἐμφάνιση μόνον ὅταν ἔχει ἐνεργοποιηθεῖ ἡ πρόβλεψη κειμένου</string>
   <!-- Context: Keyman Settings menu -->
   <string name="show_send_crash_report" comment="permission for sending crash reports">Ἐπιτρέψτε τὴν ἀποστολὴ ἀναφορῶν κατάρρευσης μέσῳ δικτύου</string>
@@ -123,6 +125,14 @@
   <string name="rotate_the_device" comment="Second line of adjusting keyboard height">Περιστρέψτε τὴν συσκευὴ γιὰ προσαρμογὴ τοῦ ὕψους σὲ λειτουργία πορτραίτου καὶ τοπίου</string>
   <!-- Context: Adjust Keyboard Height menu -->
   <string name="reset_to_defaults" comment="Button to reset to default heights">Ἐπαναφέρετε τὶς προεπιλεγμένες ρυθμίσεις</string>
+  <!-- Context: Adjust Longpress Delay Time menu -->
+  <string name="longpress_delay_time" comment="Current longpress delay time (seconds)">Χρόνος καθυστέρησης: %1$.1f δευτ</string>
+  <!-- Context: Adjust Longpress Delay Time menu -->
+  <string name="ic_delay_time_up" comment="Make longpress delay longer">Μεγαλύτερος χρόνος καθυστέρησης</string>
+  <!-- Context: Adjust Longpress Delay Time menu -->
+  <string name="ic_delay_time_down" comment="Make longpress delay shorter">Μικρότερος χρόνος καθυστέρησης</string>
+  <!-- Context: Adjust Longpress Delay Time menu -->
+  <string name="ic_longpress_delay_slider" comment="Adjust longpress delay time">Ρυθμιστής καθυστέρησης πατήματος</string>
   <!-- Context: Keyman Web Browser -->
   <string name="hint_text" comment="Prompt to type in the browser search bar">Ἀναζητῆστε ἢ πληκτρολογῆστε URL</string>
   <!-- Context: Keyman Web Browser -->
diff --git a/android/KMEA/app/src/main/res/values-b+el/strings.xml b/android/KMEA/app/src/main/res/values-b+el/strings.xml
index 75c774ebd1..967386eb36 100644
--- a/android/KMEA/app/src/main/res/values-b+el/strings.xml
+++ b/android/KMEA/app/src/main/res/values-b+el/strings.xml
@@ -133,10 +133,15 @@
     <string name="keyboard_install_toast" comment="Notification when a keyboard is installed">Τὸ πληκτρολόγιο %1$s ἐγκατεστάθη</string>
     <!-- Context: Language Settings Keyboard uninstall strings -->
     <string name="keyboard_deleted_toast" comment="Notification when a keyboard is deleted">Τὸ πληκτρολόγιο διεγράφη</string>
-    <!-- Context: Language Settings menu strings -->
+    <!-- Context: Language Settings menu strings. Removed in Keyman 18 -->
     <string name="enable_corrections" comment="Enable corrections from the suggestion banner">Ἐνεργοποιῆστε τὶς διορθώσεις</string>
-    <!-- Context: Language Settings menu strings -->
+    <!-- Context: Language Settings menu strings. Removed in Keyman 18 -->
     <string name="enable_predictions" comment="Enable predictions from the suggestion banner">Ἐνεργοποιῆστε προβλέψεις κειμένου</string>
+    <!-- Context: Language Settings menu strings - radio buttons -->
+    <string name="suggestions_radio_0" comment="Predictions and corrections disabled">Ἀπενεργοποίηση προτάσεων</string>
+    <string name="suggestions_radio_1" comment="Suggestions Enabled: Predictions with no corrections">Μόνο προβλέψεις</string>
+    <string name="suggestions_radio_2" comment="Suggestions Enabled: Predictions with corrections">Προβλέψεις καὶ διορθώσεις</string>
+    <string name="suggestions_radio_3" comment="Suggestions Enabled: Predictions with auto-corrections">Προβλέψεις μὲ αὐτόματες διορθώσεις</string>
     <!-- Context: Language Settings menu strings -->
     <string name="model_label">Λεξικό</string>
     <plurals name="model_count">
diff --git a/ios/engine/KMEI/KeymanEngine/el.lproj/Localizable.strings b/ios/engine/KMEI/KeymanEngine/el.lproj/Localizable.strings
index 1bd8c7713f..b8cf1a7910 100644
--- a/ios/engine/KMEI/KeymanEngine/el.lproj/Localizable.strings
+++ b/ios/engine/KMEI/KeymanEngine/el.lproj/Localizable.strings
@@ -226,6 +226,24 @@
 /* Text showing name of spacebar caption - language + keyboard */
 "menu-settings-spacebar-item-languageKeyboard" = "Γλῶσσα καὶ πληκτρολόγιο";
 
+/* Label for the "Adjust Keyboard Height" item on the main settings screen */
+"menu-settings-adjust-keyboard-height" = "Προσαρμογὴ ὕψους πληκτρολογίου";
+
+/* Title for the "Adjust Keyboard Height" settings child screen */
+"adjust-keyboard-height-title" = "Προσαρμογὴ πληκτρολογίου";
+
+/* Label for "Reset to Default Keyboard Height" button on the adjust height screen */
+"button-label-reset-default-keyboard-height" = "Ἐπαναφορὰ προεπιλεγμένων ρυθμίσεων";
+
+/* Instruction text to drag keyboard to resize */
+"keyboard-drag-instructions" = "Σύρετε τὰ βέλη γιὰ νὰ προσαρμόσετε τὸ πληκτρολόγιο.";
+
+/* Instruction to rotate to adjust landscape keyboard height (displayed when device is portrait) */
+"portrait-keyboard-rotate-instructions" = "Περιστρέψτε τὴν συσκευὴ γιὰ νὰ ἔλθει σὲ ὁριζόντια θέση.";
+
+/* Instruction to rotate to adjust portrait keyboard height (displayed when device is landscape) */
+"landscape-keyboard-rotate-instructions" = "Περιστρέψτε τὴν συσκευὴ γιὰ νὰ ἔλθει σὲ κάθετη θέση.";
+
 /* Short text for notification:  download failure for keyboard */
 "notification-download-failure-keyboard" = "Ἡ μεταφόρτωση τοῦ πληκτρολογίου ἀπέτυχε";
 
diff --git a/windows/src/desktop/kmshell/locale/el-polyton/strings.xml b/windows/src/desktop/kmshell/locale/el-polyton/strings.xml
index a11a89da39..a595143436 100644
--- a/windows/src/desktop/kmshell/locale/el-polyton/strings.xml
+++ b/windows/src/desktop/kmshell/locale/el-polyton/strings.xml
@@ -295,6 +295,10 @@
   <string name="koAltGrCtrlAlt" comment="General options - Ctrl+Alt simulates AltGr on computers without AltGr">Ἐξομοιῶστε τὸ AltGr μὲ τὸ Ctrl+Alt</string>
   <!-- Context: Configuration Dialog - Options tab -->
   <!-- String Type: FormatString -->
+  <!-- Introduced: 18.0.95 -->
+  <string name="koRightModifierHK" comment="General options - Right Ctrl Alt and Shift trigger hotkey">Νὰ ἐπιτρέπεται στὰ πλῆκτρα συντομεύσεως ἡ χρήση δεξιῶν πλήκτρων τροποποίησης</string>
+  <!-- Context: Configuration Dialog - Options tab -->
+  <!-- String Type: FormatString -->
   <!-- Introduced: 9.0.480.0 -->
   <string name="koDeadkeyConversion" comment="Advanced options - Base keyboard deadkeys are treated as normal keys">Χρησιμοποιῆστε τὰ νεκρὰ πλῆκτρα ὡς συνήθη πλῆκτρα</string>
   <!-- Context: Configuration Dialog - Options tab -->
@@ -323,6 +327,10 @@
   <string name="koShowWelcome" comment="Startup options - show/hide welcome screen">Προβάλετε τὴν ὀθόνης καλωσορίσματος</string>
   <!-- Context: Configuration Dialog - Options tab -->
   <!-- String Type: FormatString -->
+  <!-- Modified: 18.0.96.0 -->
+  <string name="koCheckForUpdates" comment="Automatically check for updates and download">Ἐλέγξτε αὐτομάτως ἂν ὑπάρχουν ἐνημερώσεις καὶ κατεβάστε τες</string>
+  <!-- Context: Configuration Dialog - Options tab -->
+  <!-- String Type: FormatString -->
   <!-- Introduced: 7.0.236.0 -->
   <string name="koTestKeymanFunctioning" comment="Startup options - test for conflicting apps when Product starts">Κατὰ τὴν ἔναρξη τοῦ Keyman, νὰ ἐξετάζετε ἂν ὑπάρχουν μὴ συμβατὲς ἐφαρμογές</string>
   <!-- Context: Configuration Dialog - Options tab -->
@@ -416,6 +424,14 @@
   <string name="S_Support_Copyright" comment="Support - Product Copyright">Πνευματικὰ δικαιώματα © SIL International. All Rights Reserved.</string>
   <!-- Context: Configuration Dialog - Support tab -->
   <!-- String Type: PlainText -->
+  <!-- Introduced: 18.0.94.0 -->
+  <string name="S_Support_CreatedBySILGlobal" comment="Created by {SIL Global} ">Δημιουργημένο ἀπὸ τὴν %1$s</string>
+  <!-- Context: Configuration Dialog - Support tab -->
+  <!-- String Type: PlainText -->
+  <!-- Introduced: 18.0.94.0 -->
+  <string name="S_Support_CopyrightSILGlobal" comment="Copyright © {SIL Global}. All Rights Reserved.">Copyright © %1$s. All Rights Reserved.</string>
+  <!-- Context: Configuration Dialog - Support tab -->
+  <!-- String Type: PlainText -->
   <!-- Introduced: 7.0.230.0 -->
   <string name="S_Support_Version" comment="Support - version">Ἔκδοση</string>
   <!-- Context: Configuration Dialog - Support tab -->
@@ -442,6 +458,22 @@
   <!-- String Type: PlainText -->
   <!-- Introduced: 7.0.230.0 -->
   <string name="S_Menu_Diagnostics_Diagnostics" comment="Support button submenu - performs a diagnostic report">Διαγνωστικά</string>
+  <!-- Context: Configuration Dialog - Update tab -->
+  <!-- String Type: PlainText -->
+  <!-- Introduced: 18.0.168 -->
+  <string name="S_No_Updates_Available" comment="Update tab - no updates are available">Δὲν ὑπάρχουν ἐνημέρώσεις.</string>
+  <!-- Context: Configuration Dialog - Update tab -->
+  <!-- String Type: PlainText -->
+  <!-- Introduced: 18.0.168 -->
+  <string name="S_Updates_Available" comment="Update tab - informs user updates are available ">Ὑπάρχουν ἐνημερώσεις ποὺ θὰ ἐφαρμοσθοῦν κατὰ τὴν ἑπόμενη ἐκκίνηση τῶν Windows.</string>
+  <!-- Context: Configuration Dialog - Update tab pop up -->
+  <!-- String Type: PlainText -->
+  <!-- Introduced: 18.0.168 -->
+  <string name="S_Update_Restart_Req" comment="Update tab pop up - warns user restart will require restart ">Ἡ ἐνημέρωση τώρα θὰ ἀπαιτήσει ἐπακεκκίνηση τοῦ ὑπολογιστῆ.</string>
+  <!-- Context: Configuration Dialog - Update on boot pop up -->
+  <!-- String Type: PlainText -->
+  <!-- Introduced: 18.0.168 -->
+  <string name="S_Ready_To_Install" comment="Update on boot pop up - inform user update about to install">Ἡ ἐνημέρωση τοῦ Keyman εἶναι ἕτοιμη νὰ ἐγκατασταθεῖ.</string>
   <!-- Context: Download Keyboard Dialog -->
   <!-- String Type: PlainText -->
   <!-- Introduced: 7.0.230.0 -->
@@ -533,6 +565,10 @@
   <string name="SKHotkeyConflicts_Interface" comment="Hotkey dialog - warning of hotkey conflict with hotkey for another interface hotkey">Τὸ πλῆκτρο συντομεύσεως %1$s δημιουργεῖ πρόβλημα σὲ ἄλλο πλῆκτρο συντομεύσεως. Ἂν συνεχίσετε, τὸ ἄλλο πλῆκτρο θὰ διαγραφεῖ. Θὰ συνεχίσετε\;</string>
   <!-- Context: Online Update Dialog -->
   <!-- String Type: PlainText -->
+  <!-- Introduced: 18.0.230.0 -->
+  <string name="S_Update" comment="Update tab name">Ἐνημερώσεις</string>
+  <!-- Context: Online Update Dialog -->
+  <!-- String Type: PlainText -->
   <!-- Introduced: 7.0.230.0 -->
   <string name="S_Update_Title" comment="Update dialog title, where Keyman = product name">Ὑπάρχουν συνιστῶσες Keyman πρὸς ἐνημέρωσιν</string>
   <!-- Context: Online Update Dialog -->
@@ -602,16 +638,27 @@
   <!-- String Type: FormatString -->
   <!-- Introduced: 8.0.288.0 -->
   <string name="SKUpdate_IconMenuExit" comment="Update icon - exit menu item">Τερματισμὸς ἐλέγχου ὀνλάϊν ἐνημερώσεων</string>
+  <!-- Context: Update Dialog -->
+  <!-- String Type: FormatString -->
+  <!-- Introduced: 17.0233.0 -->
+  <string name="S_Button_Update_ApplyNow" comment="Apply update now button - update dialog">Ἐκτελέστε τὴν ἐνημέρωση τώρα</string>
+  <!-- Context: Update Dialog -->
+  <!-- String Type: FormatString -->
+  <!-- Introduced: 17.0233.0 -->
+  <string name="S_Button_Update_CheckNow" comment="Check for updates now button - update dialog">Ἀναζητῆστε τυχὸν νέες ἐνημερώσεις</string>
   <!-- Context: Splash Dialog -->
   <!-- String Type: PlainText -->
   <!-- Introduced: 8.0.288.0 -->
-  <string name="S_Splash_Name" comment="Splash major title">Keyman</string>
   <!-- Context: Splash Dialog -->
   <!-- String Type: PlainText -->
   <!-- Introduced: 8.0.294.0 -->
   <string name="S_Splash_Start" comment="Start Keyman button">Ἔναρξη Keyman</string>
   <!-- Context: Splash Dialog -->
   <!-- String Type: PlainText -->
+  <!-- Introduced: 18.0 -->
+  <string name="S_Splash_Start_2" comment="Start {Keyman} button">Ἔναρξη %1$s</string>
+  <!-- Context: Splash Dialog -->
+  <!-- String Type: PlainText -->
   <!-- Introduced: 8.0.294.0 -->
   <string name="S_Splash_Exit" comment="Exit button">Ἔξοδος</string>
   <!-- Context: Splash Dialog -->
@@ -653,7 +700,6 @@
   <!-- Context: Formatted Messages -->
   <!-- String Type: FormatString -->
   <!-- Introduced: 7.0.230.0 -->
-  <string name="SKShortApplicationTitle" comment="Product name">Keyman</string>
   <!-- Context: Hints -->
   <!-- String Type: PlainText -->
   <!-- Introduced: 7.0.244.0 -->
@@ -777,7 +823,6 @@
   <!-- Context: Formatted Messages -->
   <!-- String Type: FormatString -->
   <!-- Introduced: 7.0.230.0 -->
-  <string name="SKApplicationTitle" comment="Product name used for the title of message boxes and message dialogs">Keyman</string>
   <!-- Parameters: %1$s = Version number string -->
   <!-- Context: Formatted Messages -->
   <!-- Introduced: 7.0.230.0 -->