diff --git a/Marlin/Configuration.h b/Marlin/Configuration.h
index f804dc605a..e9dc6f0fd1 100644
--- a/Marlin/Configuration.h
+++ b/Marlin/Configuration.h
@@ -129,6 +129,7 @@
 
 // Name displayed in the LCD "Ready" message and Info menu
 //#define CUSTOM_MACHINE_NAME "3D Printer"
+//#define CONFIGURABLE_MACHINE_NAME // Add G-code M550 to set/report the machine name
 
 // Printer's unique ID, used by some programs to differentiate between machines.
 // Choose your own or use a service like https://www.uuidgenerator.net/version4
diff --git a/Marlin/Configuration_adv.h b/Marlin/Configuration_adv.h
index ad62cc06cc..ff85b6c0e3 100644
--- a/Marlin/Configuration_adv.h
+++ b/Marlin/Configuration_adv.h
@@ -2227,7 +2227,7 @@
 
   // Developer menu (accessed by touching "About Printer" copyright text)
   //#define TOUCH_UI_DEVELOPER_MENU
-#endif
+#endif // TOUCH_UI_FTDI_EVE
 
 //
 // Classic UI Options
diff --git a/Marlin/src/MarlinCore.cpp b/Marlin/src/MarlinCore.cpp
index bdcabca980..689f71f8e5 100644
--- a/Marlin/src/MarlinCore.cpp
+++ b/Marlin/src/MarlinCore.cpp
@@ -271,6 +271,10 @@
 
 PGMSTR(M112_KILL_STR, "M112 Shutdown");
 
+#if ENABLED(CONFIGURABLE_MACHINE_NAME)
+  MString<64> machine_name;
+#endif
+
 MarlinState marlin_state = MarlinState::MF_INITIALIZING;
 
 // For M109 and M190, this flag may be cleared (by M108) to exit the wait loop
@@ -1363,6 +1367,10 @@ void setup() {
   SETUP_RUN(settings.first_load());   // Load data from EEPROM if available (or use defaults)
                                       // This also updates variables in the planner, elsewhere
 
+  #if ENABLED(CONFIGURABLE_MACHINE_NAME)
+    SETUP_RUN(ui.reset_status(false)); // machine_name Initialized by settings.load()
+  #endif
+
   #if ENABLED(PROBE_TARE)
     SETUP_RUN(probe.tare_init());
   #endif
diff --git a/Marlin/src/MarlinCore.h b/Marlin/src/MarlinCore.h
index 9cf74de2c6..ecab0e3630 100644
--- a/Marlin/src/MarlinCore.h
+++ b/Marlin/src/MarlinCore.h
@@ -41,6 +41,10 @@ inline void idle_no_sleep() { idle(true); }
 void kill(FSTR_P const lcd_error=nullptr, FSTR_P const lcd_component=nullptr, const bool steppers_off=false);
 void minkill(const bool steppers_off=false);
 
+#if ENABLED(CONFIGURABLE_MACHINE_NAME)
+  extern MString<64> machine_name;
+#endif
+
 // Global State of the firmware
 enum class MarlinState : uint8_t {
   MF_INITIALIZING = 0,
diff --git a/Marlin/src/core/language.h b/Marlin/src/core/language.h
index f64c7513df..dddc00dba8 100644
--- a/Marlin/src/core/language.h
+++ b/Marlin/src/core/language.h
@@ -88,6 +88,7 @@
   #undef  MACHINE_NAME
   #define MACHINE_NAME DEFAULT_MACHINE_NAME
 #endif
+#define MACHINE_NAME_SUBST TERN(CONFIGURABLE_MACHINE_NAME, "$", MACHINE_NAME)
 
 #define MARLIN_WEBSITE_URL "marlinfw.org"
 
diff --git a/Marlin/src/core/mstring.h b/Marlin/src/core/mstring.h
index b405262d30..e3fb78c50e 100644
--- a/Marlin/src/core/mstring.h
+++ b/Marlin/src/core/mstring.h
@@ -298,6 +298,9 @@ public:
   MString& clear() { return set(); }
   MString& eol() { return append('\n'); }
   MString& trunc(const int &i) { if (i <= SIZE) str[i] = '\0'; debug(F("trunc")); return *this; }
+  MString& ltrim() { char *s = str; while (*s == ' ') ++s; if (s != str) strcpy(str, s); return *this; }
+  MString& rtrim() { int s = length(); while (s && str[s - 1] == ' ') --s; str[s] = '\0'; return *this; }
+  MString& trim() { return rtrim().ltrim(); }
 
   // Truncate on a Unicode boundary
   MString& utrunc(const int &n=SIZE) {
diff --git a/Marlin/src/gcode/config/M550.cpp b/Marlin/src/gcode/config/M550.cpp
new file mode 100644
index 0000000000..6ff0c506de
--- /dev/null
+++ b/Marlin/src/gcode/config/M550.cpp
@@ -0,0 +1,59 @@
+/**
+ * Marlin 3D Printer Firmware
+ * Copyright (c) 2025 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
+ *
+ * Based on Sprinter and grbl.
+ * Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ *
+ */
+
+#include "../../inc/MarlinConfig.h"
+
+#if ENABLED(CONFIGURABLE_MACHINE_NAME)
+
+#include "../gcode.h"
+#include "../../MarlinCore.h"
+#include "../../lcd/marlinui.h"
+
+/**
+ * M550: Set machine name
+ *
+ * Parameters:
+ *  P "<name>" Set the name using the 'P' parameter (RepRapFirmware)
+ *  "<name>" Set the name using the "string" parameter
+ */
+void GcodeSuite::M550() {
+  bool did_set = true;
+
+  if (parser.seenval('P'))
+    machine_name = parser.value_string();
+  else if (TERN(GCODE_QUOTED_STRINGS, false, parser.seen('P')))
+    machine_name = parser.string_arg[0] == 'P' ? &parser.string_arg[1] : parser.string_arg;
+  else if (parser.string_arg && parser.string_arg[0])
+    machine_name = parser.string_arg;
+  else
+    did_set = false;
+
+  if (did_set) {
+    machine_name.trim();
+    ui.reset_status(false);
+  }
+  else
+    SERIAL_ECHOLNPGM("RepRap name: ", &machine_name);
+
+}
+
+#endif // CONFIGURABLE_MACHINE_NAME
diff --git a/Marlin/src/gcode/control/M80_M81.cpp b/Marlin/src/gcode/control/M80_M81.cpp
index 8a52d49d9a..a37b0af680 100644
--- a/Marlin/src/gcode/control/M80_M81.cpp
+++ b/Marlin/src/gcode/control/M80_M81.cpp
@@ -38,7 +38,7 @@
   #include "../../feature/powerloss.h"
 #endif
 
-#if HAS_SUICIDE
+#if ANY(HAS_SUICIDE, CONFIGURABLE_MACHINE_NAME)
   #include "../../MarlinCore.h"
 #endif
 
@@ -92,7 +92,11 @@ void GcodeSuite::M81() {
 
   safe_delay(1000); // Wait 1 second before switching off
 
-  LCD_MESSAGE_F(MACHINE_NAME " " STR_OFF ".");
+  #if ENABLED(CONFIGURABLE_MACHINE_NAME)
+    ui.set_status(&MString<30>(&machine_name, ' ', F(STR_OFF), '.'));
+  #else
+    LCD_MESSAGE_F(MACHINE_NAME " " STR_OFF ".");
+  #endif
 
   bool delayed_power_off = false;
 
diff --git a/Marlin/src/gcode/gcode.cpp b/Marlin/src/gcode/gcode.cpp
index 9fed4dcada..881149fb52 100644
--- a/Marlin/src/gcode/gcode.cpp
+++ b/Marlin/src/gcode/gcode.cpp
@@ -947,6 +947,10 @@ void GcodeSuite::process_parsed_command(const bool no_ok/*=false*/) {
         case 540: M540(); break;                                  // M540: Set abort on endstop hit for SD printing
       #endif
 
+      #if ENABLED(CONFIGURABLE_MACHINE_NAME)
+        case 550: M550(); break;                                  // M550: Set machine name
+      #endif
+
       #if HAS_ETHERNET
         case 552: M552(); break;                                  // M552: Set IP address
         case 553: M553(); break;                                  // M553: Set gateway
diff --git a/Marlin/src/gcode/gcode.h b/Marlin/src/gcode/gcode.h
index 589cd2bc48..e86a58d85d 100644
--- a/Marlin/src/gcode/gcode.h
+++ b/Marlin/src/gcode/gcode.h
@@ -261,6 +261,7 @@
  * M512 - Set/Change/Remove Password (Requires PASSWORD_CHANGE_GCODE)
  * M524 - Abort the current SD print job started with M24. (Requires SDSUPPORT)
  * M540 - Enable/disable SD card abort on endstop hit: "M540 S<state>". (Requires SD_ABORT_ON_ENDSTOP_HIT)
+ * M550 - Set the machine name: "M550 P<name>". (Requires CONFIGURABLE_MACHINE_NAME)
  * M552 - Get or set IP address. Enable/disable network interface. (Requires enabled Ethernet port)
  * M553 - Get or set IP netmask. (Requires enabled Ethernet port)
  * M554 - Get or set IP gateway. (Requires enabled Ethernet port)
@@ -1128,6 +1129,10 @@ private:
     static void M540();
   #endif
 
+  #if ENABLED(CONFIGURABLE_MACHINE_NAME)
+    static void M550();
+  #endif
+
   #if HAS_ETHERNET
     static void M552();
     static void M552_report();
diff --git a/Marlin/src/gcode/host/M16.cpp b/Marlin/src/gcode/host/M16.cpp
index 07b0c5ef57..fc41ba3322 100644
--- a/Marlin/src/gcode/host/M16.cpp
+++ b/Marlin/src/gcode/host/M16.cpp
@@ -33,7 +33,7 @@
  */
 void GcodeSuite::M16() {
 
-  if (strcmp_P(parser.string_arg, PSTR(MACHINE_NAME)))
+  if (TERN(CONFIGURABLE_MACHINE_NAME, strcmp(parser.string_arg, machine_name), strcmp_P(parser.string_arg, PSTR(MACHINE_NAME))))
     kill(GET_TEXT_F(MSG_KILL_EXPECTED_PRINTER));
 
 }
diff --git a/Marlin/src/inc/Conditionals-2-LCD.h b/Marlin/src/inc/Conditionals-2-LCD.h
index 40f18c406a..8c818864a0 100644
--- a/Marlin/src/inc/Conditionals-2-LCD.h
+++ b/Marlin/src/inc/Conditionals-2-LCD.h
@@ -615,12 +615,20 @@
   #define HAS_STATUS_MESSAGE 1
 #endif
 
-#if HAS_WIRED_LCD && !HAS_GRAPHICAL_TFT && !IS_DWIN_MARLINUI
-  #define HAS_LCDPRINT 1
+#if ANY(HAS_WIRED_LCD, DWIN_LCD_PROUI)
+  #if ENABLED(STATUS_MESSAGE_SCROLLING)
+    #define MAX_MESSAGE_SIZE _MAX(LONG_FILENAME_LENGTH, MAX_LANG_CHARSIZE * (LCD_WIDTH))
+  #else
+    #define MAX_MESSAGE_SIZE (MAX_LANG_CHARSIZE * (LCD_WIDTH))
+  #endif
+#elif HAS_STATUS_MESSAGE
+  #define MAX_MESSAGE_SIZE 63
+#else
+  #define MAX_MESSAGE_SIZE 1
 #endif
 
-#if HAS_DISPLAY || HAS_LCDPRINT
-  #define HAS_UTF8_UTILS 1
+#if HAS_WIRED_LCD && !HAS_GRAPHICAL_TFT && !IS_DWIN_MARLINUI
+  #define HAS_LCDPRINT 1
 #endif
 
 #if IS_ULTIPANEL && DISABLED(NO_LCD_MENUS)
diff --git a/Marlin/src/inc/SanityCheck.h b/Marlin/src/inc/SanityCheck.h
index 76b9c136d0..e07fa78173 100644
--- a/Marlin/src/inc/SanityCheck.h
+++ b/Marlin/src/inc/SanityCheck.h
@@ -4507,6 +4507,10 @@ static_assert(WITHIN(MULTISTEPPING_LIMIT, 1, 128) && IS_POWER_OF_2(MULTISTEPPING
   #error "Only enable ULTIPANEL_FEEDMULTIPLY or ULTIPANEL_FLOWPERCENT, but not both."
 #endif
 
+#if ENABLED(CONFIGURABLE_MACHINE_NAME) && DISABLED(GCODE_QUOTED_STRINGS)
+  #error "CONFIGURABLE_MACHINE_NAME requires GCODE_QUOTED_STRINGS."
+#endif
+
 // Misc. Cleanup
 #undef _TEST_PWM
 #undef _NUM_AXES_STR
diff --git a/Marlin/src/lcd/e3v2/marlinui/lcdprint_dwin.cpp b/Marlin/src/lcd/e3v2/marlinui/lcdprint_dwin.cpp
index 9fa75a700b..d13ec2e779 100644
--- a/Marlin/src/lcd/e3v2/marlinui/lcdprint_dwin.cpp
+++ b/Marlin/src/lcd/e3v2/marlinui/lcdprint_dwin.cpp
@@ -107,7 +107,7 @@ int lcd_put_u8str_max_P(PGM_P utf8_pstr, const pixel_len_t max_length) {
   return lcd_put_u8str_max_cb(utf8_pstr, read_byte_rom, max_length);
 }
 
-lcd_uint_t lcd_put_u8str_P(PGM_P const ptpl, const int8_t ind, const char * const cstr/*=nullptr*/, FSTR_P const fstr/*=nullptr*/, const lcd_uint_t maxlen/*=LCD_WIDTH*/) {
+lcd_uint_t lcd_put_u8str_P(PGM_P const ptpl, const int8_t ind, const char * const cstr/*=nullptr*/, FSTR_P const fstr/*=nullptr*/, const lcd_uint_t maxlen/*=MAX_MESSAGE_SIZE*/) {
   dwin_string.set(ptpl, ind, cstr, fstr);
   dwin_string.truncate(maxlen);
   dwinDrawString(dwin_font.solid, dwin_font.index, dwin_font.fg, dwin_font.bg, cursor.x, cursor.y, dwin_string.string());
diff --git a/Marlin/src/lcd/extui/ftdi_eve_touch_ui/ftdi_eve_extui.cpp b/Marlin/src/lcd/extui/ftdi_eve_touch_ui/ftdi_eve_extui.cpp
index 0035ee66fe..c26a809037 100644
--- a/Marlin/src/lcd/extui/ftdi_eve_touch_ui/ftdi_eve_extui.cpp
+++ b/Marlin/src/lcd/extui/ftdi_eve_touch_ui/ftdi_eve_extui.cpp
@@ -74,7 +74,7 @@ namespace ExtUI {
   void onMinTempError(const heater_id_t header_id) {}
   void onMaxTempError(const heater_id_t header_id) {}
 
-  void onStatusChanged(const char *lcd_msg) { StatusScreen::setStatusMessage(lcd_msg); }
+  void onStatusChanged(const char * const lcd_msg) { StatusScreen::setStatusMessage(lcd_msg); }
 
   void onPrintTimerStarted() {
     InterfaceSoundsScreen::playEventSound(InterfaceSoundsScreen::PRINTING_STARTED);
diff --git a/Marlin/src/lcd/extui/ia_creality/ia_creality_extui.cpp b/Marlin/src/lcd/extui/ia_creality/ia_creality_extui.cpp
index 0a1c3f6e2c..4a1d49a020 100644
--- a/Marlin/src/lcd/extui/ia_creality/ia_creality_extui.cpp
+++ b/Marlin/src/lcd/extui/ia_creality/ia_creality_extui.cpp
@@ -252,9 +252,15 @@ void onUserConfirmRequired(const int icon, FSTR_P const fstr, FSTR_P const fBtn)
   }
 #endif
 
-void onStatusChanged(const char *const statMsg) {
-  for (int16_t j = 0; j < 20; j++) // Clear old message
+static constexpr int16_t STATUS_MESSAGE_SIZE = 20;
+
+void clearStatus() {
+  for (int16_t j = 0; j < STATUS_MESSAGE_SIZE; j++) // Clear old message
     rts.sendData(' ', StatusMessageString + j);
+}
+
+void onStatusChanged(const char * const statMsg) {
+  clearStatus();
   rts.sendData(statMsg, StatusMessageString);
 }
 
diff --git a/Marlin/src/lcd/extui/ia_creality/ia_creality_rts.cpp b/Marlin/src/lcd/extui/ia_creality/ia_creality_rts.cpp
index 84df4f5871..660d7faed7 100644
--- a/Marlin/src/lcd/extui/ia_creality/ia_creality_rts.cpp
+++ b/Marlin/src/lcd/extui/ia_creality/ia_creality_rts.cpp
@@ -99,7 +99,12 @@ void RTS::onStartup() {
   sendData(StartSoundSet, SoundAddr);
   delay_ms(400); // Delay to allow screen to configure
 
-  onStatusChanged(MACHINE_NAME " Ready");
+  #if ENABLED(CONFIGURABLE_MACHINE_NAME)
+    const MString<32> ready(message_string, " Ready");
+    onStatusChanged(ready);
+  #else
+    onStatusChanged(F(MACHINE_NAME " Ready"));
+  #endif
 
   sendData(100, FeedrateDisplay);
 
diff --git a/Marlin/src/lcd/extui/nextion/nextion_tft.cpp b/Marlin/src/lcd/extui/nextion/nextion_tft.cpp
index 9ebd783124..53af67f3d9 100644
--- a/Marlin/src/lcd/extui/nextion/nextion_tft.cpp
+++ b/Marlin/src/lcd/extui/nextion/nextion_tft.cpp
@@ -63,12 +63,16 @@ void NextionTFT::startup() {
   delay_ms(100);
   SEND_VAL("tmppage.connected", 1);
 
-  SEND_VALasTXT("tmppage.marlin", SHORT_BUILD_VERSION);
-  SEND_VALasTXT("tmppage.compiled", __DATE__ " / " __TIME__);
+  SEND_TXT("tmppage.marlin", SHORT_BUILD_VERSION);
+  SEND_TXT("tmppage.compiled", __DATE__ " / " __TIME__);
   SEND_VALasTXT("tmppage.extruder", EXTRUDERS);
-  SEND_VALasTXT("tmppage.printer", MACHINE_NAME);
-  SEND_VALasTXT("tmppage.author", STRING_CONFIG_H_AUTHOR);
-  SEND_VALasTXT("tmppage.released", STRING_DISTRIBUTION_DATE);
+  #if ENABLED(CONFIGURABLE_MACHINE_NAME)
+    SEND_VALasTXT("tmppage.printer", &machine_name);
+  #else
+    SEND_TXT("tmppage.printer", MACHINE_NAME);
+  #endif
+  SEND_TXT("tmppage.author", STRING_CONFIG_H_AUTHOR);
+  SEND_TXT("tmppage.released", STRING_DISTRIBUTION_DATE);
   SEND_VALasTXT("tmppage.bedx", X_BED_SIZE);
   SEND_VALasTXT("tmppage.bedy", Y_BED_SIZE);
   SEND_VALasTXT("tmppage.bedz", Z_MAX_POS);
@@ -222,12 +226,16 @@ void NextionTFT::panelInfo(uint8_t req) {
   case 2: // Printer Info
     if (!isPrinting()) {
       SEND_VAL("tmppage.connected", 1);
-      SEND_VALasTXT("tmppage.marlin", SHORT_BUILD_VERSION);
-      SEND_VALasTXT("tmppage.compiled", __DATE__ " / " __TIME__);
+      SEND_TXT("tmppage.marlin", SHORT_BUILD_VERSION);
+      SEND_TXT("tmppage.compiled", __DATE__ " / " __TIME__);
       SEND_VALasTXT("tmppage.extruder", EXTRUDERS);
-      SEND_VALasTXT("tmppage.printer", MACHINE_NAME);
-      SEND_VALasTXT("tmppage.author", STRING_CONFIG_H_AUTHOR);
-      SEND_VALasTXT("tmppage.released", STRING_DISTRIBUTION_DATE);
+      #if ENABLED(CONFIGURABLE_MACHINE_NAME)
+        SEND_VALasTXT("tmppage.printer", &machine_name);
+      #else
+        SEND_TXT("tmppage.printer", MACHINE_NAME);
+      #endif
+      SEND_TXT("tmppage.author", STRING_CONFIG_H_AUTHOR);
+      SEND_TXT("tmppage.released", STRING_DISTRIBUTION_DATE);
       SEND_VALasTXT("tmppage.bedx", X_BED_SIZE);
       SEND_VALasTXT("tmppage.bedy", Y_BED_SIZE);
       SEND_VALasTXT("tmppage.bedz", Z_MAX_POS);
@@ -430,59 +438,43 @@ void NextionTFT::panelInfo(uint8_t req) {
 
   case 36: // Endstop Info
     #if X_HOME_TO_MIN
-      SEND_VALasTXT("x1", READ(X_MIN_PIN) == X_MIN_ENDSTOP_HIT_STATE ? "triggered" : "open");
+      SEND_TXT_F("x1", READ(X_MIN_PIN) == X_MIN_ENDSTOP_HIT_STATE ? F("triggered") : F("open"));
     #elif X_HOME_TO_MAX
-      SEND_VALasTXT("x2", READ(X_MAX_PIN) == X_MAX_ENDSTOP_HIT_STATE ? "triggered" : "open");
+      SEND_TXT_F("x2", READ(X_MAX_PIN) == X_MAX_ENDSTOP_HIT_STATE ? F("triggered") : F("open"));
     #endif
     #if Y_HOME_TO_MIN
-      SEND_VALasTXT("y1", READ(Y_MIN_PIN) == Y_MIN_ENDSTOP_HIT_STATE ? "triggered" : "open");
+      SEND_TXT_F("y1", READ(Y_MIN_PIN) == Y_MIN_ENDSTOP_HIT_STATE ? F("triggered") : F("open"));
     #elif Y_HOME_TO_MAX
-      SEND_VALasTXT("y2", READ(X_MAX_PIN) == Y_MAX_ENDSTOP_HIT_STATE ? "triggered" : "open");
+      SEND_TXT_F("y2", READ(X_MAX_PIN) == Y_MAX_ENDSTOP_HIT_STATE ? F("triggered") : F("open"));
     #endif
     #if Z_HOME_TO_MIN
-      SEND_VALasTXT("z1", READ(Z_MIN_PIN) == Z_MIN_ENDSTOP_HIT_STATE ? "triggered" : "open");
+      SEND_TXT_F("z1", READ(Z_MIN_PIN) == Z_MIN_ENDSTOP_HIT_STATE ? F("triggered") : F("open"));
     #elif Z_HOME_TO_MAX
-      SEND_VALasTXT("z2", READ(Z_MAX_PIN) == Z_MAX_ENDSTOP_HIT_STATE ? "triggered" : "open");
+      SEND_TXT_F("z2", READ(Z_MAX_PIN) == Z_MAX_ENDSTOP_HIT_STATE ? F("triggered") : F("open"));
     #endif
     #if USE_Z2_MIN
-      SEND_VALasTXT("z2", READ(Z2_MIN_PIN) == Z2_MIN_ENDSTOP_HIT_STATE ? "triggered" : "open");
+      SEND_TXT_F("z2", READ(Z2_MIN_PIN) == Z2_MIN_ENDSTOP_HIT_STATE ? F("triggered") : F("open"));
     #elif USE_Z2_MAX
-      SEND_VALasTXT("z2", READ(Z2_MAX_PIN) == Z2_MAX_ENDSTOP_HIT_STATE ? "triggered" : "open");
+      SEND_TXT_F("z2", READ(Z2_MAX_PIN) == Z2_MAX_ENDSTOP_HIT_STATE ? F("triggered") : F("open"));
     #endif
     #if HAS_BED_PROBE
-      //SEND_VALasTXT("bltouch", PROBE_TRIGGERED() ? "triggered" : "open");
+      //SEND_TXT_F("bltouch", PROBE_TRIGGERED() ? F("triggered") : F("open"));
     #else
       SEND_NA("bltouch");
     #endif
     break;
 
   case 37: // PID
-    #if ENABLED(PIDTEMP)
-      #define SEND_PID_INFO_0(A, B) SEND_VALasTXT(A, getPID_K##B(E0))
-    #else
-      #define SEND_PID_INFO_0(A, B) SEND_NA(A)
-    #endif
+    #define SEND_PID_INFO_0(A, B) TERN(PIDTEMP, SEND_VALasTXT(A, getPID_K##B(E0)), SEND_NA(A))
     #if ALL(PIDTEMP, HAS_MULTI_EXTRUDER)
       #define SEND_PID_INFO_1(A, B) SEND_VALasTXT(A, getPID_K##B(E1))
     #else
       #define SEND_PID_INFO_1(A, B) SEND_NA(A)
     #endif
-    #if ENABLED(PIDTEMPBED)
-      #define SEND_PID_INFO_BED(A, B) SEND_VALasTXT(A, getBedPID_K##B())
-    #else
-      #define SEND_PID_INFO_BED(A, B) SEND_NA(A)
-    #endif
-    SEND_PID_INFO_0("p0", p);
-    SEND_PID_INFO_0("i0", i);
-    SEND_PID_INFO_0("d0", d);
-
-    SEND_PID_INFO_1("p1", p);
-    SEND_PID_INFO_1("i1", i);
-    SEND_PID_INFO_1("d1", d);
-
-    SEND_PID_INFO_BED("hbp", p);
-    SEND_PID_INFO_BED("hbi", i);
-    SEND_PID_INFO_BED("hbd", d);
+    #define SEND_PID_INFO_BED(A, B) TERN(PIDTEMPBED, SEND_VALasTXT(A, getBedPID_K##B()), SEND_NA(A))
+    SEND_PID_INFO_0("p0", p); SEND_PID_INFO_0("i0", i); SEND_PID_INFO_0("d0", d);
+    SEND_PID_INFO_1("p1", p); SEND_PID_INFO_1("i1", i); SEND_PID_INFO_1("d1", d);
+    SEND_PID_INFO_BED("hbp", p); SEND_PID_INFO_BED("hbi", i); SEND_PID_INFO_BED("hbd", d);
     break;
   }
 }
diff --git a/Marlin/src/lcd/extui/nextion/nextion_tft_defs.h b/Marlin/src/lcd/extui/nextion/nextion_tft_defs.h
index 061d29559c..e376e34e2b 100644
--- a/Marlin/src/lcd/extui/nextion/nextion_tft_defs.h
+++ b/Marlin/src/lcd/extui/nextion/nextion_tft_defs.h
@@ -54,10 +54,14 @@
  // TFT panel commands
 #define  msg_welcome                MACHINE_NAME " Ready."
 
-#define SEND_TEMP(x,y,t,z)  (nextion.tftSend(F(x)), nextion.tftSend(F(".txt=\"")), LCD_SERIAL.print(y), nextion.tftSend(F(t)), LCD_SERIAL.print(z), nextion.tftSend(F("\"\xFF\xFF\xFF")))
-#define SEND_VAL(x,y)       (nextion.tftSend(F(x)), nextion.tftSend(F(".val=")),   LCD_SERIAL.print(y), nextion.tftSend(F("\xFF\xFF\xFF")))
-#define SEND_TXT(x,y)       (nextion.tftSend(F(x)), nextion.tftSend(F(".txt=\"")), nextion.tftSend(F(y)), nextion.tftSend(F("\"\xFF\xFF\xFF")))
-#define SEND_TXT_F(x,y)     (nextion.tftSend(F(x)), nextion.tftSend(F(".txt=\"")), nextion.tftSend(y), nextion.tftSend(F("\"\xFF\xFF\xFF")))
-#define SEND_VALasTXT(x,y)  (nextion.tftSend(F(x)), nextion.tftSend(F(".txt=\"")), LCD_SERIAL.print(y), nextion.tftSend(F("\"\xFF\xFF\xFF")))
-#define SEND_TXT_END(x)     (nextion.tftSend(F(x)), nextion.tftSend(F("\xFF\xFF\xFF")))
-#define SEND_PCO2(x,y,z)    (nextion.tftSend(F(x)), LCD_SERIAL.print(y), nextion.tftSend(F(".pco=")), nextion.tftSend(F(z)), nextion.tftSend(F("\xFF\xFF\xFF")))
+#define TXT_OPEN()          nextion.tftSend(F(".txt=\""))
+#define TXT_CLOSE()         nextion.tftSend(F("\"\xFF\xFF\xFF"))
+#define VAL_OPEN()          nextion.tftSend(F(".val="))
+#define VAL_CLOSE()         nextion.tftSend(F("\xFF\xFF\xFF"))
+#define SEND_TEMP(x,y,t,z)  (nextion.tftSend(F(x)), TXT_OPEN(), LCD_SERIAL.print(y), nextion.tftSend(F(t)), LCD_SERIAL.print(z), TXT_CLOSE()) // XXX.txt="YYYTTTZZZ"<end>
+#define SEND_VAL(x,y)       (nextion.tftSend(F(x)), VAL_OPEN(), LCD_SERIAL.print(y), VAL_CLOSE())   // XXX.val=YYY<end>
+#define SEND_TXT(x,y)       (nextion.tftSend(F(x)), TXT_OPEN(), nextion.tftSend(F(y)), TXT_CLOSE()) // XXX.txt="YYY"<end>
+#define SEND_TXT_F(x,y)     (nextion.tftSend(F(x)), TXT_OPEN(), nextion.tftSend(y), TXT_CLOSE())    // XXX.txt="YYY"<end>
+#define SEND_VALasTXT(x,y)  (nextion.tftSend(F(x)), TXT_OPEN(), LCD_SERIAL.print(y), TXT_CLOSE())   // XXX.txt="YYY"<end>
+#define SEND_TXT_END(x)     (nextion.tftSend(F(x)), VAL_CLOSE())                                    // XXX<end>
+#define SEND_PCO2(x,y,z)    (nextion.tftSend(F(x)), LCD_SERIAL.print(y), nextion.tftSend(F(".pco=")), nextion.tftSend(F(z)), VAL_CLOSE()) // XXXYYY.pco=ZZZ<end>
diff --git a/Marlin/src/lcd/extui/ui_api.cpp b/Marlin/src/lcd/extui/ui_api.cpp
index 4a6f594066..a53b5f5dba 100644
--- a/Marlin/src/lcd/extui/ui_api.cpp
+++ b/Marlin/src/lcd/extui/ui_api.cpp
@@ -1213,13 +1213,13 @@ namespace ExtUI {
     #endif
   }
 
-  void onStatusChanged(FSTR_P const fstr) {
+  void onStatusChanged_P(PGM_P const pstr) {
     #ifdef __AVR__
-      char msg[strlen_P(FTOP(fstr)) + 1];
-      strcpy_P(msg, FTOP(fstr));
+      char msg[strlen_P(pstr) + 1];
+      strcpy_P(msg, pstr);
       onStatusChanged(msg);
     #else
-      onStatusChanged(FTOP(fstr));
+      onStatusChanged(pstr);
     #endif
   }
 
diff --git a/Marlin/src/lcd/extui/ui_api.h b/Marlin/src/lcd/extui/ui_api.h
index 8404033b7b..2676d72aea 100644
--- a/Marlin/src/lcd/extui/ui_api.h
+++ b/Marlin/src/lcd/extui/ui_api.h
@@ -530,8 +530,9 @@ namespace ExtUI {
     void onPauseMode(const PauseMessage message, const PauseMode mode=PAUSE_MODE_SAME, const uint8_t extruder=active_extruder);
   #endif
 
+  void onStatusChanged_P(PGM_P const msg);
+  inline void onStatusChanged(FSTR_P const fstr) { onStatusChanged_P(FTOP(fstr)); }
   void onStatusChanged(const char * const msg);
-  void onStatusChanged(FSTR_P const fstr);
 
   void onHomingStart();
   void onHomingDone();
diff --git a/Marlin/src/lcd/language/language_an.h b/Marlin/src/lcd/language/language_an.h
index c51891f6ec..095a3440aa 100644
--- a/Marlin/src/lcd/language/language_an.h
+++ b/Marlin/src/lcd/language/language_an.h
@@ -37,7 +37,7 @@ namespace LanguageNarrow_an {
   constexpr uint8_t CHARSIZE              = 1;
   LSTR LANGUAGE                           = _UxGT("Aragonese");
 
-  LSTR WELCOME_MSG                        = MACHINE_NAME _UxGT(" parada.");
+  LSTR WELCOME_MSG                        = MACHINE_NAME_SUBST _UxGT(" parada.");
   LSTR MSG_MEDIA_INSERTED                 = _UxGT("Tarcheta mesa");
   LSTR MSG_MEDIA_REMOVED                  = _UxGT("Tarcheta sacada");
   LSTR MSG_LCD_ENDSTOPS                   = _UxGT("Endstops"); // Max length 8 characters
diff --git a/Marlin/src/lcd/language/language_bg.h b/Marlin/src/lcd/language/language_bg.h
index 3722dba3ad..4eef867826 100644
--- a/Marlin/src/lcd/language/language_bg.h
+++ b/Marlin/src/lcd/language/language_bg.h
@@ -36,7 +36,7 @@ namespace LanguageNarrow_bg {
   constexpr uint8_t CHARSIZE              = 2;
   LSTR LANGUAGE                           = _UxGT("Bulgarian");
 
-  LSTR WELCOME_MSG                        = MACHINE_NAME _UxGT(" Готов.");
+  LSTR WELCOME_MSG                        = MACHINE_NAME_SUBST _UxGT(" Готов.");
   LSTR MSG_MEDIA_INSERTED                 = _UxGT("Картата е поставена");
   LSTR MSG_MEDIA_REMOVED                  = _UxGT("Картата е извадена");
   LSTR MSG_MAIN_MENU                      = _UxGT("Меню");
diff --git a/Marlin/src/lcd/language/language_ca.h b/Marlin/src/lcd/language/language_ca.h
index da784bc342..fa74f255aa 100644
--- a/Marlin/src/lcd/language/language_ca.h
+++ b/Marlin/src/lcd/language/language_ca.h
@@ -33,7 +33,7 @@ namespace LanguageNarrow_ca {
   constexpr uint8_t CHARSIZE              = 2;
   LSTR LANGUAGE                           = _UxGT("Catalan");
 
-  LSTR WELCOME_MSG                        = MACHINE_NAME _UxGT(" preparada.");
+  LSTR WELCOME_MSG                        = MACHINE_NAME_SUBST _UxGT(" preparada.");
   LSTR MSG_MEDIA_INSERTED                 = _UxGT("Targeta detectada.");
   LSTR MSG_MEDIA_REMOVED                  = _UxGT("Targeta extreta.");
   LSTR MSG_LCD_ENDSTOPS                   = _UxGT("Endstops");
diff --git a/Marlin/src/lcd/language/language_cz.h b/Marlin/src/lcd/language/language_cz.h
index e54a69ec83..814c9ffde8 100644
--- a/Marlin/src/lcd/language/language_cz.h
+++ b/Marlin/src/lcd/language/language_cz.h
@@ -41,7 +41,7 @@ namespace LanguageNarrow_cz {
   constexpr uint8_t CHARSIZE              = 2;
   LSTR LANGUAGE                           = _UxGT("Czech");
 
-  LSTR WELCOME_MSG                        = MACHINE_NAME _UxGT(" připraven.");
+  LSTR WELCOME_MSG                        = MACHINE_NAME_SUBST _UxGT(" připraven.");
   LSTR MSG_YES                            = _UxGT("ANO");
   LSTR MSG_NO                             = _UxGT("NE");
   LSTR MSG_BACK                           = _UxGT("Zpět");
diff --git a/Marlin/src/lcd/language/language_da.h b/Marlin/src/lcd/language/language_da.h
index c348db0918..35083aa01f 100644
--- a/Marlin/src/lcd/language/language_da.h
+++ b/Marlin/src/lcd/language/language_da.h
@@ -36,7 +36,7 @@ namespace LanguageNarrow_da {
   constexpr uint8_t CHARSIZE              = 2;
   LSTR LANGUAGE                           = _UxGT("Danish");
 
-  LSTR WELCOME_MSG                        = MACHINE_NAME _UxGT(" er klar");
+  LSTR WELCOME_MSG                        = MACHINE_NAME_SUBST _UxGT(" er klar");
   LSTR MSG_MEDIA_INSERTED                 = _UxGT("Kort isat");
   LSTR MSG_MEDIA_REMOVED                  = _UxGT("Kort fjernet");
   LSTR MSG_MAIN_MENU                      = _UxGT("Menu");
diff --git a/Marlin/src/lcd/language/language_de.h b/Marlin/src/lcd/language/language_de.h
index e469a594ca..edc3d4361d 100644
--- a/Marlin/src/lcd/language/language_de.h
+++ b/Marlin/src/lcd/language/language_de.h
@@ -34,7 +34,7 @@ namespace LanguageNarrow_de {
   constexpr uint8_t CHARSIZE              = 2;
   LSTR LANGUAGE                           = _UxGT("Deutsch");
 
-  LSTR WELCOME_MSG                        = MACHINE_NAME _UxGT(" bereit");
+  LSTR WELCOME_MSG                        = MACHINE_NAME_SUBST _UxGT(" bereit");
   LSTR MSG_YES                            = _UxGT("JA");
   LSTR MSG_NO                             = _UxGT("NEIN");
   LSTR MSG_HIGH                           = _UxGT("HOCH");
diff --git a/Marlin/src/lcd/language/language_el.h b/Marlin/src/lcd/language/language_el.h
index b100f31781..85de0f0751 100644
--- a/Marlin/src/lcd/language/language_el.h
+++ b/Marlin/src/lcd/language/language_el.h
@@ -36,7 +36,7 @@ namespace LanguageNarrow_el {
   constexpr uint8_t CHARSIZE              = 2;
   LSTR LANGUAGE                           = _UxGT("Greek (Greece)");
 
-  LSTR WELCOME_MSG                        = MACHINE_NAME _UxGT(" έτοιμος.");
+  LSTR WELCOME_MSG                        = MACHINE_NAME_SUBST _UxGT(" έτοιμος.");
   LSTR MSG_YES                            = _UxGT("ΝΑΙ");
   LSTR MSG_NO                             = _UxGT("ΟΧΙ");
   LSTR MSG_BACK                           = _UxGT("Πίσω");
diff --git a/Marlin/src/lcd/language/language_el_gr.h b/Marlin/src/lcd/language/language_el_gr.h
index caef745a0e..65b2da5ee3 100644
--- a/Marlin/src/lcd/language/language_el_gr.h
+++ b/Marlin/src/lcd/language/language_el_gr.h
@@ -36,7 +36,7 @@ namespace LanguageNarrow_el_gr {
   constexpr uint8_t CHARSIZE              = 2;
   LSTR LANGUAGE                           = _UxGT("Greek (Greece)");
 
-  LSTR WELCOME_MSG                        = MACHINE_NAME _UxGT(" έτοιμο.");
+  LSTR WELCOME_MSG                        = MACHINE_NAME_SUBST _UxGT(" έτοιμο.");
   LSTR MSG_MEDIA_INSERTED                 = _UxGT("Εισαγωγή κάρτας");
   LSTR MSG_MEDIA_REMOVED                  = _UxGT("Αφαίρεση κάρτας");
   LSTR MSG_LCD_ENDSTOPS                   = _UxGT("Endstops"); // Max length 8 characters
diff --git a/Marlin/src/lcd/language/language_en.h b/Marlin/src/lcd/language/language_en.h
index 3575e40bea..307ff2590e 100644
--- a/Marlin/src/lcd/language/language_en.h
+++ b/Marlin/src/lcd/language/language_en.h
@@ -69,7 +69,7 @@ namespace LanguageNarrow_en {
   LSTR LANGUAGE                           = _UxGT("English");
 
   // These strings should be translated
-  LSTR WELCOME_MSG                        = MACHINE_NAME _UxGT(" Ready.");
+  LSTR WELCOME_MSG                        = MACHINE_NAME_SUBST _UxGT(" Ready.");
   LSTR MSG_YES                            = _UxGT("YES");
   LSTR MSG_NO                             = _UxGT("NO");
   LSTR MSG_HIGH                           = _UxGT("HIGH");
diff --git a/Marlin/src/lcd/language/language_es.h b/Marlin/src/lcd/language/language_es.h
index 06e3c753be..1c7d5199d3 100644
--- a/Marlin/src/lcd/language/language_es.h
+++ b/Marlin/src/lcd/language/language_es.h
@@ -36,7 +36,7 @@ namespace LanguageNarrow_es {
   constexpr uint8_t CHARSIZE              = 2;
   LSTR LANGUAGE                           = _UxGT("Spanish");
 
-  LSTR WELCOME_MSG                        = MACHINE_NAME _UxGT(" Lista");
+  LSTR WELCOME_MSG                        = MACHINE_NAME_SUBST _UxGT(" Lista");
   LSTR MSG_YES                            = _UxGT("SI");
   LSTR MSG_NO                             = _UxGT("NO");
   LSTR MSG_BACK                           = _UxGT("Atrás");
diff --git a/Marlin/src/lcd/language/language_eu.h b/Marlin/src/lcd/language/language_eu.h
index df6e6395d1..561de0b8e6 100644
--- a/Marlin/src/lcd/language/language_eu.h
+++ b/Marlin/src/lcd/language/language_eu.h
@@ -37,7 +37,7 @@ namespace LanguageNarrow_eu {
   constexpr uint8_t CHARSIZE              = 1;
   LSTR LANGUAGE                           = _UxGT("Basque-Euskera");
 
-  LSTR WELCOME_MSG                        = MACHINE_NAME _UxGT(" prest.");
+  LSTR WELCOME_MSG                        = MACHINE_NAME_SUBST _UxGT(" prest.");
   LSTR MSG_BACK                           = _UxGT("Atzera");
   LSTR MSG_MEDIA_INSERTED                 = _UxGT("Txartela sartuta");
   LSTR MSG_MEDIA_REMOVED                  = _UxGT("Txartela kenduta");
diff --git a/Marlin/src/lcd/language/language_fi.h b/Marlin/src/lcd/language/language_fi.h
index e6de9369b1..7b3f0f6082 100644
--- a/Marlin/src/lcd/language/language_fi.h
+++ b/Marlin/src/lcd/language/language_fi.h
@@ -36,7 +36,7 @@ namespace LanguageNarrow_fi {
   constexpr uint8_t CHARSIZE              = 2;
   LSTR LANGUAGE                           = _UxGT("Finnish");
 
-  LSTR WELCOME_MSG                        = MACHINE_NAME _UxGT(" valmis.");
+  LSTR WELCOME_MSG                        = MACHINE_NAME_SUBST _UxGT(" valmis.");
   LSTR MSG_MEDIA_INSERTED                 = _UxGT("Kortti asetettu");
   LSTR MSG_MEDIA_REMOVED                  = _UxGT("Kortti poistettu");
   LSTR MSG_MAIN_MENU                      = _UxGT("Palaa");
diff --git a/Marlin/src/lcd/language/language_fr.h b/Marlin/src/lcd/language/language_fr.h
index 2a65cd2671..b499b32f7b 100644
--- a/Marlin/src/lcd/language/language_fr.h
+++ b/Marlin/src/lcd/language/language_fr.h
@@ -36,7 +36,7 @@ namespace LanguageNarrow_fr {
   constexpr uint8_t CHARSIZE              = 2;
   LSTR LANGUAGE                           = _UxGT("Français");
 
-  LSTR WELCOME_MSG                        = MACHINE_NAME _UxGT(" prête.");
+  LSTR WELCOME_MSG                        = MACHINE_NAME_SUBST _UxGT(" prête.");
   LSTR MSG_YES                            = _UxGT("Oui");
   LSTR MSG_NO                             = _UxGT("Non");
   LSTR MSG_BACK                           = _UxGT("Retour");
diff --git a/Marlin/src/lcd/language/language_fr_na.h b/Marlin/src/lcd/language/language_fr_na.h
index 0aad606af5..995a5ecd27 100644
--- a/Marlin/src/lcd/language/language_fr_na.h
+++ b/Marlin/src/lcd/language/language_fr_na.h
@@ -36,7 +36,7 @@ namespace LanguageNarrow_fr_na {
 
   LSTR LANGUAGE                           = _UxGT("Francais");
 
-  LSTR WELCOME_MSG                        = MACHINE_NAME _UxGT(" prete.");
+  LSTR WELCOME_MSG                        = MACHINE_NAME_SUBST _UxGT(" prete.");
   LSTR MSG_YES                            = _UxGT("Oui");
   LSTR MSG_NO                             = _UxGT("Non");
   LSTR MSG_BACK                           = _UxGT("Retour");
diff --git a/Marlin/src/lcd/language/language_gl.h b/Marlin/src/lcd/language/language_gl.h
index ada1fd2fa2..37c1aa292a 100644
--- a/Marlin/src/lcd/language/language_gl.h
+++ b/Marlin/src/lcd/language/language_gl.h
@@ -38,7 +38,7 @@ namespace LanguageNarrow_gl {
   constexpr uint8_t CHARSIZE              = 1;
   LSTR LANGUAGE                           = _UxGT("Galician");
 
-  LSTR WELCOME_MSG                        = MACHINE_NAME _UxGT(" lista.");
+  LSTR WELCOME_MSG                        = MACHINE_NAME_SUBST _UxGT(" lista.");
   LSTR MSG_YES                            = _UxGT("SI");
   LSTR MSG_NO                             = _UxGT("NON");
   LSTR MSG_BACK                           = _UxGT("Atrás");
diff --git a/Marlin/src/lcd/language/language_hr.h b/Marlin/src/lcd/language/language_hr.h
index 9f259693e7..5f60b000e3 100644
--- a/Marlin/src/lcd/language/language_hr.h
+++ b/Marlin/src/lcd/language/language_hr.h
@@ -36,7 +36,7 @@ namespace LanguageNarrow_hr {
   constexpr uint8_t CHARSIZE              = 2;
   LSTR LANGUAGE                           = _UxGT("Croatian");
 
-  LSTR WELCOME_MSG                        = MACHINE_NAME _UxGT(" spreman.");
+  LSTR WELCOME_MSG                        = MACHINE_NAME_SUBST _UxGT(" spreman.");
   LSTR MSG_MEDIA_INSERTED                 = _UxGT("SD kartica umetnuta");
   LSTR MSG_MEDIA_REMOVED                  = _UxGT("SD kartica uklonjena");
   LSTR MSG_LCD_ENDSTOPS                   = _UxGT("Endstops"); // Max length 8 characters
diff --git a/Marlin/src/lcd/language/language_hu.h b/Marlin/src/lcd/language/language_hu.h
index 2f744abc6f..d987416269 100644
--- a/Marlin/src/lcd/language/language_hu.h
+++ b/Marlin/src/lcd/language/language_hu.h
@@ -39,7 +39,7 @@ namespace LanguageNarrow_hu {
   constexpr uint8_t CHARSIZE              = 2;
   LSTR LANGUAGE                           = _UxGT("Magyar");
 
-  LSTR WELCOME_MSG                        = MACHINE_NAME _UxGT(" Kész.");
+  LSTR WELCOME_MSG                        = MACHINE_NAME_SUBST _UxGT(" Kész.");
   LSTR MSG_YES                            = _UxGT("IGEN");
   LSTR MSG_NO                             = _UxGT("NEM");
   LSTR MSG_BACK                           = _UxGT("Vissza");
diff --git a/Marlin/src/lcd/language/language_it.h b/Marlin/src/lcd/language/language_it.h
index 13a6f88a01..0a7302b0f8 100644
--- a/Marlin/src/lcd/language/language_it.h
+++ b/Marlin/src/lcd/language/language_it.h
@@ -46,7 +46,7 @@ namespace LanguageNarrow_it {
   constexpr uint8_t CHARSIZE              = 1;
   LSTR LANGUAGE                           = _UxGT("Italiano");
 
-  LSTR WELCOME_MSG                        = MACHINE_NAME _UxGT(" pronta.");
+  LSTR WELCOME_MSG                        = MACHINE_NAME_SUBST _UxGT(" pronta.");
   LSTR MSG_YES                            = _UxGT("Si");
   LSTR MSG_NO                             = _UxGT("No");
   LSTR MSG_HIGH                           = _UxGT("ALTO");
diff --git a/Marlin/src/lcd/language/language_jp_kana.h b/Marlin/src/lcd/language/language_jp_kana.h
index cbc680460a..ae88b1d968 100644
--- a/Marlin/src/lcd/language/language_jp_kana.h
+++ b/Marlin/src/lcd/language/language_jp_kana.h
@@ -41,7 +41,7 @@ namespace LanguageNarrow_jp_kana {
   // This translation can be improved by using the full charset of unicode codeblock U+30A0 to U+30FF.
 
   // 片仮名表示定義
-  LSTR WELCOME_MSG                        = MACHINE_NAME _UxGT(" ジュンビカンリョウ");
+  LSTR WELCOME_MSG                        = MACHINE_NAME_SUBST _UxGT(" ジュンビカンリョウ");
   LSTR MSG_MEDIA_INSERTED                 = _UxGT("メディアガソウニュウサレマシタ"); // "Card inserted"
   LSTR MSG_MEDIA_REMOVED                  = _UxGT("メディアガアリマセン"); // "Card removed"
   LSTR MSG_RELEASE_MEDIA                  = _UxGT("メディアノトリダシ");
diff --git a/Marlin/src/lcd/language/language_ko_KR.h b/Marlin/src/lcd/language/language_ko_KR.h
index f1eece315c..d5410cadf5 100644
--- a/Marlin/src/lcd/language/language_ko_KR.h
+++ b/Marlin/src/lcd/language/language_ko_KR.h
@@ -33,7 +33,7 @@ namespace LanguageNarrow_ko_KR {
   constexpr uint8_t CHARSIZE              = 1;
   LSTR LANGUAGE                           = _UxGT("Korean");
 
-  LSTR WELCOME_MSG                        = MACHINE_NAME _UxGT(" 준비.");
+  LSTR WELCOME_MSG                        = MACHINE_NAME_SUBST _UxGT(" 준비.");
   LSTR MSG_BACK                           = _UxGT("뒤로");
   LSTR MSG_MEDIA_INSERTED                 = _UxGT("카드 삽입됨");
   LSTR MSG_MEDIA_REMOVED                  = _UxGT("카드 제거됨");
diff --git a/Marlin/src/lcd/language/language_nl.h b/Marlin/src/lcd/language/language_nl.h
index f47bc053b8..e99417a2dc 100644
--- a/Marlin/src/lcd/language/language_nl.h
+++ b/Marlin/src/lcd/language/language_nl.h
@@ -37,7 +37,7 @@ namespace LanguageNarrow_nl {
   constexpr uint8_t CHARSIZE              = 1;
   LSTR LANGUAGE                           = _UxGT("Dutch");
 
-  LSTR WELCOME_MSG                        = MACHINE_NAME _UxGT(" gereed.");
+  LSTR WELCOME_MSG                        = MACHINE_NAME_SUBST _UxGT(" gereed.");
   LSTR MSG_BACK                           = _UxGT("Terug");
   LSTR MSG_MEDIA_INSERTED                 = _UxGT("Kaart ingestoken");
   LSTR MSG_MEDIA_REMOVED                  = _UxGT("Kaart verwijderd");
diff --git a/Marlin/src/lcd/language/language_pl.h b/Marlin/src/lcd/language/language_pl.h
index 087a26967d..07573bb2d8 100644
--- a/Marlin/src/lcd/language/language_pl.h
+++ b/Marlin/src/lcd/language/language_pl.h
@@ -44,7 +44,7 @@ namespace LanguageNarrow_pl {
   constexpr uint8_t CHARSIZE              = 2;
   LSTR LANGUAGE                           = _UxGT("Polski");
 
-  LSTR WELCOME_MSG                        = MACHINE_NAME _UxGT(" gotowy.");
+  LSTR WELCOME_MSG                        = MACHINE_NAME_SUBST _UxGT(" gotowy.");
   LSTR MSG_YES                            = _UxGT("TAK");
   LSTR MSG_NO                             = _UxGT("NIE");
   LSTR MSG_BACK                           = _UxGT("Wstecz");
diff --git a/Marlin/src/lcd/language/language_pt.h b/Marlin/src/lcd/language/language_pt.h
index 8f9745c04b..62799fc9a5 100644
--- a/Marlin/src/lcd/language/language_pt.h
+++ b/Marlin/src/lcd/language/language_pt.h
@@ -37,7 +37,7 @@ namespace LanguageNarrow_pt {
   constexpr uint8_t CHARSIZE              = 2;
   LSTR LANGUAGE                           = _UxGT("Portuguese");
 
-  LSTR WELCOME_MSG                        = MACHINE_NAME _UxGT(" pronta.");
+  LSTR WELCOME_MSG                        = MACHINE_NAME_SUBST _UxGT(" pronta.");
   LSTR MSG_MEDIA_INSERTED                 = _UxGT("Cartão inserido");
   LSTR MSG_MEDIA_REMOVED                  = _UxGT("Cartão removido");
   LSTR MSG_MAIN_MENU                      = _UxGT("Menu principal");
diff --git a/Marlin/src/lcd/language/language_pt_br.h b/Marlin/src/lcd/language/language_pt_br.h
index 4908986bdb..8d5a608d00 100644
--- a/Marlin/src/lcd/language/language_pt_br.h
+++ b/Marlin/src/lcd/language/language_pt_br.h
@@ -34,7 +34,7 @@ namespace LanguageNarrow_pt_br {
   constexpr uint8_t CHARSIZE              = 2;
   LSTR LANGUAGE                           = _UxGT("Portuguese (BR)");
 
-  LSTR WELCOME_MSG                        = MACHINE_NAME _UxGT(" pronto.");
+  LSTR WELCOME_MSG                        = MACHINE_NAME_SUBST _UxGT(" pronto.");
   LSTR MSG_YES                            = _UxGT("SIM");
   LSTR MSG_NO                             = _UxGT("NÃO");
   LSTR MSG_BACK                           = _UxGT("Voltar");
diff --git a/Marlin/src/lcd/language/language_ro.h b/Marlin/src/lcd/language/language_ro.h
index 15278a43e7..ff82bb39ba 100644
--- a/Marlin/src/lcd/language/language_ro.h
+++ b/Marlin/src/lcd/language/language_ro.h
@@ -35,7 +35,7 @@ namespace LanguageNarrow_ro {
   constexpr uint8_t CHARSIZE              = 2;
   LSTR LANGUAGE                           = _UxGT("Romanian");
 
-  LSTR WELCOME_MSG                        = MACHINE_NAME _UxGT(" Pregatit.");
+  LSTR WELCOME_MSG                        = MACHINE_NAME_SUBST _UxGT(" Pregatit.");
   LSTR MSG_YES                            = _UxGT("DA");
   LSTR MSG_NO                             = _UxGT("NU");
   LSTR MSG_BACK                           = _UxGT("Inapoi");
diff --git a/Marlin/src/lcd/language/language_ru.h b/Marlin/src/lcd/language/language_ru.h
index a8d862e889..6b3fbebd08 100644
--- a/Marlin/src/lcd/language/language_ru.h
+++ b/Marlin/src/lcd/language/language_ru.h
@@ -35,7 +35,7 @@ namespace LanguageNarrow_ru {
   constexpr uint8_t CHARSIZE                = 2;
   LSTR LANGUAGE                             = _UxGT("Russian");
 
-  LSTR WELCOME_MSG                          = MACHINE_NAME _UxGT(" Готов.");
+  LSTR WELCOME_MSG                          = MACHINE_NAME_SUBST _UxGT(" Готов.");
   LSTR MSG_YES                              = _UxGT("Да");
   LSTR MSG_NO                               = _UxGT("Нет");
   LSTR MSG_BACK                             = _UxGT("Назад");
diff --git a/Marlin/src/lcd/language/language_sk.h b/Marlin/src/lcd/language/language_sk.h
index 30a8076d39..32683cf2ed 100644
--- a/Marlin/src/lcd/language/language_sk.h
+++ b/Marlin/src/lcd/language/language_sk.h
@@ -47,7 +47,7 @@ namespace LanguageNarrow_sk {
   constexpr uint8_t CHARSIZE              = 2;
   LSTR LANGUAGE                           = _UxGT("Slovenčina");
 
-  LSTR WELCOME_MSG                        = MACHINE_NAME _UxGT(" pripravená.");
+  LSTR WELCOME_MSG                        = MACHINE_NAME_SUBST _UxGT(" pripravená.");
   LSTR MSG_YES                            = _UxGT("ÁNO");
   LSTR MSG_NO                             = _UxGT("NIE");
   LSTR MSG_HIGH                           = _UxGT("VYSOKÁ");
diff --git a/Marlin/src/lcd/language/language_sv.h b/Marlin/src/lcd/language/language_sv.h
index b7702a7985..8827252132 100644
--- a/Marlin/src/lcd/language/language_sv.h
+++ b/Marlin/src/lcd/language/language_sv.h
@@ -36,7 +36,7 @@ namespace LanguageNarrow_sv {
   constexpr uint8_t CHARSIZE              = 2;
   LSTR LANGUAGE                           = _UxGT("Swedish");
 
-  LSTR WELCOME_MSG                        = MACHINE_NAME _UxGT(" Redo.");
+  LSTR WELCOME_MSG                        = MACHINE_NAME_SUBST _UxGT(" Redo.");
   LSTR MSG_YES                            = _UxGT("JA");
   LSTR MSG_NO                             = _UxGT("NEJ");
   LSTR MSG_BACK                           = _UxGT("Bakåt");
diff --git a/Marlin/src/lcd/language/language_tr.h b/Marlin/src/lcd/language/language_tr.h
index 2055713eeb..baebbe9d1e 100644
--- a/Marlin/src/lcd/language/language_tr.h
+++ b/Marlin/src/lcd/language/language_tr.h
@@ -45,7 +45,7 @@ namespace LanguageNarrow_tr {
   LSTR LANGUAGE                           = _UxGT("Turkish");
 
   // These strings should be translated
-  LSTR WELCOME_MSG                        = MACHINE_NAME _UxGT(" Hazır.");
+  LSTR WELCOME_MSG                        = MACHINE_NAME_SUBST _UxGT(" Hazır.");
   LSTR MSG_YES                            = _UxGT("EVET");
   LSTR MSG_NO                             = _UxGT("HAYIR");
   LSTR MSG_HIGH                           = _UxGT("YÜKSEK");
diff --git a/Marlin/src/lcd/language/language_uk.h b/Marlin/src/lcd/language/language_uk.h
index 0add5acc3e..104d7f1ecf 100644
--- a/Marlin/src/lcd/language/language_uk.h
+++ b/Marlin/src/lcd/language/language_uk.h
@@ -36,7 +36,7 @@ namespace LanguageNarrow_uk {
   constexpr uint8_t CHARSIZE                = 2;
   LSTR LANGUAGE                             = _UxGT("Ukrainian");
 
-  LSTR WELCOME_MSG                          = MACHINE_NAME _UxGT(" Готовий.");
+  LSTR WELCOME_MSG                          = MACHINE_NAME_SUBST _UxGT(" Готовий.");
   LSTR MSG_YES                              = _UxGT("ТАК");
   LSTR MSG_NO                               = _UxGT("НІ");
   LSTR MSG_BACK                             = _UxGT("Назад");
diff --git a/Marlin/src/lcd/language/language_vi.h b/Marlin/src/lcd/language/language_vi.h
index fda9b65367..d1e98637b9 100644
--- a/Marlin/src/lcd/language/language_vi.h
+++ b/Marlin/src/lcd/language/language_vi.h
@@ -33,7 +33,7 @@ namespace LanguageNarrow_vi {
   constexpr uint8_t CHARSIZE              = 2;
   LSTR LANGUAGE                           = _UxGT("Vietnamese");
 
-  LSTR WELCOME_MSG                        = MACHINE_NAME _UxGT(" Sẵn sàng.");              // Ready
+  LSTR WELCOME_MSG                        = MACHINE_NAME_SUBST _UxGT(" Sẵn sàng.");        // Ready
   LSTR MSG_BACK                           = _UxGT("Trở lại");                              // Back
   LSTR MSG_MEDIA_ABORTING                 = _UxGT("Đang hủy bỏ...");
   LSTR MSG_MEDIA_INSERTED                 = _UxGT("Phương tiện được cắm vào");             // Media inserted
diff --git a/Marlin/src/lcd/language/language_zh_CN.h b/Marlin/src/lcd/language/language_zh_CN.h
index 13c49fa9f1..eb6a973205 100644
--- a/Marlin/src/lcd/language/language_zh_CN.h
+++ b/Marlin/src/lcd/language/language_zh_CN.h
@@ -33,7 +33,7 @@ namespace LanguageNarrow_zh_CN {
   constexpr uint8_t CHARSIZE              = 3;
   LSTR LANGUAGE                           = _UxGT("Simplified Chinese");
 
-  LSTR WELCOME_MSG                        = MACHINE_NAME _UxGT("已就绪."); // " ready."
+  LSTR WELCOME_MSG                        = MACHINE_NAME_SUBST _UxGT("已就绪."); // " ready."
   LSTR MSG_MARLIN                         = _UxGT("马林");
   LSTR MSG_YES                            = _UxGT("是");
   LSTR MSG_NO                             = _UxGT("否");
diff --git a/Marlin/src/lcd/language/language_zh_TW.h b/Marlin/src/lcd/language/language_zh_TW.h
index c705d126cb..63e386a06f 100644
--- a/Marlin/src/lcd/language/language_zh_TW.h
+++ b/Marlin/src/lcd/language/language_zh_TW.h
@@ -33,7 +33,7 @@ namespace LanguageNarrow_zh_TW {
   constexpr uint8_t CHARSIZE              = 3;
   LSTR LANGUAGE                           = _UxGT("Traditional Chinese");
 
-  LSTR WELCOME_MSG                        = MACHINE_NAME _UxGT("已就緒."); // " ready."
+  LSTR WELCOME_MSG                        = MACHINE_NAME_SUBST _UxGT("已就緒."); // " ready."
   LSTR MSG_YES                            = _UxGT("是"); // "YES"
   LSTR MSG_NO                             = _UxGT("否"); // "NO"
   LSTR MSG_BACK                           = _UxGT("返回"); // "Back"
diff --git a/Marlin/src/lcd/lcdprint.cpp b/Marlin/src/lcd/lcdprint.cpp
index 475664f45a..5cfa042d0c 100644
--- a/Marlin/src/lcd/lcdprint.cpp
+++ b/Marlin/src/lcd/lcdprint.cpp
@@ -31,75 +31,6 @@
 #include "marlinui.h"
 #include "lcdprint.h"
 
-/**
- * expand_u8str_P
- *
- * Expand a string with optional substitutions:
- *
- *   $ displays the clipped string given by fstr or cstr
- *   { displays  '0'....'10' for indexes 0 - 10
- *   ~ displays  '1'....'11' for indexes 0 - 10
- *   * displays 'E1'...'E11' for indexes 0 - 10 (By default. Uses LCD_FIRST_TOOL)
- *   @ displays an axis name such as XYZUVW, or E for an extruder
- *
- * Return the number of characters emitted
- */
-lcd_uint_t expand_u8str_P(char * const outstr, PGM_P const ptpl, const int8_t ind, const char *cstr/*=nullptr*/, FSTR_P const fstr/*=nullptr*/, const lcd_uint_t maxlen/*=LCD_WIDTH*/) {
-  const uint8_t *p = (uint8_t*)ptpl;
-  char *o = outstr;
-  int8_t n = maxlen;
-  while (n > 0) {
-    lchar_t wc;
-    uint8_t *psc = (uint8_t *)p;
-    p = get_utf8_value_cb(p, read_byte_rom, wc);
-    if (!wc) break;
-    if (wc == '{' || wc == '~' || wc == '*') {
-      if (ind >= 0) {
-        if (wc == '*') { *o++ = 'E'; n--; }
-        if (n) {
-          int8_t inum = ind + ((wc == '{') ? 0 : LCD_FIRST_TOOL);
-          if (inum >= 10) {
-            *o++ = ('0' + (inum / 10)); n--;
-            inum %= 10;
-          }
-          if (n) { *o++ = '0' + inum; n--; }
-        }
-      }
-      else {
-        PGM_P const b = ind == -2 ? GET_TEXT(MSG_CHAMBER) : GET_TEXT(MSG_BED);
-        strlcpy_P(o, b, n + 1);
-        n -= utf8_strlen(o);
-        o += strlen(o);
-      }
-      if (n > 0) {
-        strlcpy_P(o, (PGM_P)p, n + 1);
-        n -= utf8_strlen(o);
-        o += strlen(o);
-        break;
-      }
-    }
-    else if (wc == '$' && fstr) {
-      strlcpy_P(o, FTOP(fstr), n + 1);
-      n -= utf8_strlen(o);
-      o += strlen(o);
-    }
-    else if (wc == '$' && cstr) {
-      strlcpy(o, cstr, n + 1);
-      n -= utf8_strlen(o);
-      o += strlen(o);
-    }
-    else {
-      if (wc == '@')
-        *o++ = AXIS_CHAR(ind);
-      else
-        while (psc != p) *o++ = read_byte_rom(psc++);
-      *o = '\0';
-      n--;
-    }
-  }
-  return maxlen - n;
-}
-
 /**
  * lcd_put_u8str_P
  *
@@ -113,7 +44,7 @@ lcd_uint_t expand_u8str_P(char * const outstr, PGM_P const ptpl, const int8_t in
  *
  * Return the number of characters emitted
  */
-lcd_uint_t lcd_put_u8str_P(PGM_P const ptpl, const int8_t ind, const char *cstr/*=nullptr*/, FSTR_P const fstr/*=nullptr*/, const lcd_uint_t maxlen/*=LCD_WIDTH*/) {
+lcd_uint_t lcd_put_u8str_P(PGM_P const ptpl, const int8_t ind, const char *cstr/*=nullptr*/, FSTR_P const fstr/*=nullptr*/, const lcd_uint_t maxlen/*=MAX_MESSAGE_SIZE*/) {
   char estr[maxlen * LANG_CHARSIZE + 2];
   const lcd_uint_t outlen = expand_u8str_P(estr, ptpl, ind, cstr, fstr, maxlen);
   lcd_put_u8str_max(estr, maxlen * (MENU_FONT_WIDTH));
diff --git a/Marlin/src/lcd/lcdprint.h b/Marlin/src/lcd/lcdprint.h
index a93e3adc6b..ef50fb823e 100644
--- a/Marlin/src/lcd/lcdprint.h
+++ b/Marlin/src/lcd/lcdprint.h
@@ -200,29 +200,6 @@ inline int lcd_put_u8str(const lcd_uint_t col, const lcd_uint_t row, FSTR_P cons
   return lcd_put_u8str_P(col, row, FTOP(fstr));
 }
 
-/**
- * @brief Expand a string with optional substitution
- * @details Expand a string with optional substitutions:
- *   $ : the clipped string given by fstr or cstr
- *   { :  '0'....'10' for indexes 0 - 10
- *   ~ :  '1'....'11' for indexes 0 - 10
- *   * : 'E1'...'E11' for indexes 0 - 10 (By default. Uses LCD_FIRST_TOOL)
- *   @ : an axis name such as XYZUVW, or E for an extruder
- *
- * @param *outstr The output destination buffer
- * @param ptpl A ROM string (template)
- * @param ind An index value to use for = ~ * substitution
- * @param cstr An SRAM C-string to use for $ substitution
- * @param fstr A ROM F-string to use for $ substitution
- * @param maxlen The maximum size of the string (in pixels on GLCD)
- * @return the output width (in pixels on GLCD)
- */
-lcd_uint_t expand_u8str_P(char * const outstr, PGM_P const ptpl, const int8_t ind, const char *cstr=nullptr, FSTR_P const fstr=nullptr, const lcd_uint_t maxlen=LCD_WIDTH);
-
-inline lcd_uint_t expand_u8str(char * const outstr, FSTR_P const ftpl, const int8_t ind, const char *cstr=nullptr, FSTR_P const fstr=nullptr, const lcd_uint_t maxlen=LCD_WIDTH) {
-  return expand_u8str_P(outstr, FTOP(ftpl), ind, cstr, fstr, maxlen);
-}
-
 /**
  * @brief Draw a string with optional substitution
  * @details Print a string with optional substitutions:
@@ -239,8 +216,8 @@ inline lcd_uint_t expand_u8str(char * const outstr, FSTR_P const ftpl, const int
  * @param maxlen The maximum size of the string (in pixels on GLCD)
  * @return the output width (in pixels on GLCD)
  */
-lcd_uint_t lcd_put_u8str_P(PGM_P const ptpl, const int8_t ind, const char *cstr=nullptr, FSTR_P const fstr=nullptr, const lcd_uint_t maxlen=LCD_WIDTH);
-inline lcd_uint_t lcd_put_u8str_P(const lcd_uint_t col, const lcd_uint_t row, PGM_P const ptpl, const int8_t ind, const char *cstr=nullptr, FSTR_P const fstr=nullptr, const lcd_uint_t maxlen=LCD_WIDTH) {
+lcd_uint_t lcd_put_u8str_P(PGM_P const ptpl, const int8_t ind, const char *cstr=nullptr, FSTR_P const fstr=nullptr, const lcd_uint_t maxlen=MAX_MESSAGE_SIZE);
+inline lcd_uint_t lcd_put_u8str_P(const lcd_uint_t col, const lcd_uint_t row, PGM_P const ptpl, const int8_t ind, const char *cstr=nullptr, FSTR_P const fstr=nullptr, const lcd_uint_t maxlen=MAX_MESSAGE_SIZE) {
   lcd_moveto(col, row);
   return lcd_put_u8str_P(ptpl, ind, cstr, fstr, maxlen);
 }
@@ -255,14 +232,14 @@ inline lcd_uint_t lcd_put_u8str_P(const lcd_uint_t col, const lcd_uint_t row, PG
  * @param maxlen The maximum size of the string (in pixels on GLCD)
  * @return the output width (in pixels on GLCD)
  */
-inline lcd_uint_t lcd_put_u8str(FSTR_P const ftpl, const int8_t ind, const char *cstr=nullptr, FSTR_P const fstr=nullptr, const lcd_uint_t maxlen=LCD_WIDTH) {
+inline lcd_uint_t lcd_put_u8str(FSTR_P const ftpl, const int8_t ind, const char *cstr=nullptr, FSTR_P const fstr=nullptr, const lcd_uint_t maxlen=MAX_MESSAGE_SIZE) {
   return lcd_put_u8str_P(FTOP(ftpl), ind, cstr, fstr, maxlen);
 }
 /**
  * @param col
  * @param row
  */
-inline lcd_uint_t lcd_put_u8str(const lcd_uint_t col, const lcd_uint_t row, FSTR_P const ftpl, const int8_t ind, const char *cstr=nullptr, FSTR_P const fstr=nullptr, const lcd_uint_t maxlen=LCD_WIDTH) {
+inline lcd_uint_t lcd_put_u8str(const lcd_uint_t col, const lcd_uint_t row, FSTR_P const ftpl, const int8_t ind, const char *cstr=nullptr, FSTR_P const fstr=nullptr, const lcd_uint_t maxlen=MAX_MESSAGE_SIZE) {
   return lcd_put_u8str_P(col, row, FTOP(ftpl), ind, cstr, fstr, maxlen);
 }
 
diff --git a/Marlin/src/lcd/marlinui.cpp b/Marlin/src/lcd/marlinui.cpp
index 2282cb5ee4..e8946edb28 100644
--- a/Marlin/src/lcd/marlinui.cpp
+++ b/Marlin/src/lcd/marlinui.cpp
@@ -22,7 +22,7 @@
 
 #include "../inc/MarlinConfig.h"
 
-#include "../MarlinCore.h" // for printingIsPaused
+#include "../MarlinCore.h" // for printingIsPaused, machine_name
 #include "../gcode/parser.h" // for axis_is_rotational, using_inch_units
 
 #if HAS_LED_POWEROFF_TIMEOUT || ALL(HAS_WIRED_LCD, PRINTER_EVENT_LEDS) || (HAS_BACKLIGHT_TIMEOUT && defined(NEOPIXEL_BKGD_INDEX_FIRST))
@@ -72,7 +72,7 @@ constexpr uint8_t epps = ENCODER_PULSES_PER_STEP;
   #if ENABLED(STATUS_MESSAGE_SCROLLING)
     uint8_t MarlinUI::status_scroll_offset; // = 0
   #endif
-  MString<MAX_MESSAGE_LENGTH> MarlinUI::status_message;
+  MString<MAX_MESSAGE_SIZE> MarlinUI::status_message;
   uint8_t MarlinUI::alert_level; // = 0
   #if HAS_STATUS_MESSAGE_TIMEOUT
     millis_t MarlinUI::status_message_expire_ms; // = 0
@@ -1462,6 +1462,62 @@ void MarlinUI::host_notify(const char * const cstr) {
 
 #include <stdarg.h>
 
+uint8_t expand_u8str_P(char * const outstr, PGM_P const ptpl, const int8_t ind, const char *cstr/*=nullptr*/, FSTR_P const fstr/*=nullptr*/, const uint8_t maxlen/*=MAX_MESSAGE_SIZE*/) {
+  const uint8_t *p = (uint8_t*)ptpl;
+  char *o = outstr;
+  int8_t n = maxlen;
+  while (n > 0) {
+    lchar_t wc;
+    uint8_t *psc = (uint8_t *)p;
+    p = get_utf8_value_cb(p, read_byte_rom, wc);
+    if (!wc) break;
+    if (wc == '{' || wc == '~' || wc == '*') {
+      if (ind >= 0) {
+        if (wc == '*') { *o++ = 'E'; n--; }
+        if (n) {
+          int8_t inum = ind + ((wc == '{') ? 0 : LCD_FIRST_TOOL);
+          if (inum >= 10) {
+            *o++ = ('0' + (inum / 10)); n--;
+            inum %= 10;
+          }
+          if (n) { *o++ = '0' + inum; n--; }
+        }
+      }
+      else {
+        PGM_P const b = ind == -2 ? GET_TEXT(MSG_CHAMBER) : GET_TEXT(MSG_BED);
+        strlcpy_P(o, b, n + 1);
+        n -= utf8_strlen(o);
+        o += strlen(o);
+      }
+      if (n > 0) {
+        strlcpy_P(o, (PGM_P)p, n + 1);
+        n -= utf8_strlen(o);
+        o += strlen(o);
+        break;
+      }
+    }
+    else if (wc == '$' && fstr) {
+      strlcpy_P(o, FTOP(fstr), n + 1);
+      n -= utf8_strlen(o);
+      o += strlen(o);
+    }
+    else if (wc == '$' && cstr) {
+      strlcpy(o, cstr, n + 1);
+      n -= utf8_strlen(o);
+      o += strlen(o);
+    }
+    else {
+      if (wc == '@')
+        *o++ = AXIS_CHAR(ind);
+      else
+        while (psc != p) *o++ = read_byte_rom(psc++);
+      *o = '\0';
+      n--;
+    }
+  }
+  return maxlen - n;
+}
+
 #if HAS_STATUS_MESSAGE
 
   #if ENABLED(EXTENSIBLE_UI)
@@ -1492,7 +1548,16 @@ void MarlinUI::host_notify(const char * const cstr) {
       else if (print_job_timer.needsService(3)) msg = F("> " SERVICE_NAME_3 "!");
     #endif
 
-    else if (!no_welcome) msg = GET_TEXT_F(WELCOME_MSG);
+    else if (!no_welcome) {
+      #if ENABLED(CONFIGURABLE_MACHINE_NAME)
+        char new_status[MAX_MESSAGE_SIZE + 1];
+        expand_u8str_P(new_status, GET_TEXT(WELCOME_MSG), 0, &machine_name);
+        _set_status_and_level(new_status, -1);
+        return;
+      #else
+        msg = GET_TEXT_F(WELCOME_MSG);
+      #endif
+    }
 
     else if (ENABLED(STATUS_DO_CLEAR_EMPTY))
       msg = F("");
@@ -1528,7 +1593,7 @@ void MarlinUI::host_notify(const char * const cstr) {
 
     MString<30> msg;
     pgm ? msg.set_P(ustr) : msg.set(ustr);
-    status_message.set(&msg).utrunc(MAX_MESSAGE_LENGTH);
+    status_message.set(&msg).utrunc(MAX_MESSAGE_SIZE);
 
     finish_status(level > 0); // Persist if the status has a level
   }
@@ -1546,7 +1611,7 @@ void MarlinUI::host_notify(const char * const cstr) {
     pgm ? host_notify_P(ustr) : host_notify(ustr);
 
     // Remove the last partial Unicode glyph, if any
-    (pgm ? status_message.set_P(ustr) : status_message.set(ustr)).utrunc(MAX_MESSAGE_LENGTH);
+    (pgm ? status_message.set_P(ustr) : status_message.set(ustr)).utrunc(MAX_MESSAGE_SIZE);
 
     finish_status(persist);
   }
@@ -1574,7 +1639,7 @@ void MarlinUI::host_notify(const char * const cstr) {
 
     va_list args;
     va_start(args, pfmt);
-    vsnprintf_P(status_message, MAX_MESSAGE_LENGTH, pfmt, args);
+    vsnprintf_P(status_message, MAX_MESSAGE_SIZE, pfmt, args);
     va_end(args);
 
     host_notify(status_message);
@@ -1865,6 +1930,7 @@ void MarlinUI::host_notify(const char * const cstr) {
 #endif // HAS_MEDIA
 
 #if HAS_MARLINUI_MENU
+
   void MarlinUI::reset_settings() {
     settings.reset();
     completion_feedback();
@@ -1886,7 +1952,7 @@ void MarlinUI::host_notify(const char * const cstr) {
     }
   #endif
 
-#endif
+#endif // HAS_MARLINUI_MENU
 
 #if ENABLED(EEPROM_SETTINGS)
 
diff --git a/Marlin/src/lcd/marlinui.h b/Marlin/src/lcd/marlinui.h
index 3c4f28c93e..a47096a3bf 100644
--- a/Marlin/src/lcd/marlinui.h
+++ b/Marlin/src/lcd/marlinui.h
@@ -369,17 +369,7 @@ public:
 
   #if HAS_STATUS_MESSAGE
 
-    #if ANY(HAS_WIRED_LCD, DWIN_LCD_PROUI)
-      #if ENABLED(STATUS_MESSAGE_SCROLLING)
-        #define MAX_MESSAGE_LENGTH _MAX(LONG_FILENAME_LENGTH, MAX_LANG_CHARSIZE * 2 * (LCD_WIDTH))
-      #else
-        #define MAX_MESSAGE_LENGTH (MAX_LANG_CHARSIZE * (LCD_WIDTH))
-      #endif
-    #else
-      #define MAX_MESSAGE_LENGTH 63
-    #endif
-
-    static MString<MAX_MESSAGE_LENGTH> status_message;
+    static MString<MAX_MESSAGE_SIZE> status_message;
     static uint8_t alert_level; // Higher levels block lower levels
 
     #if HAS_STATUS_MESSAGE_TIMEOUT
@@ -410,7 +400,6 @@ public:
 
   #else
 
-    #define MAX_MESSAGE_LENGTH 1
     static constexpr bool has_status() { return false; }
 
     static bool set_alert_level(int8_t) { return false; }
@@ -912,6 +901,29 @@ private:
   #endif
 };
 
+/**
+ * @brief Expand a string with optional substitution
+ * @details Expand a string with optional substitutions:
+ *   $ : the clipped string given by fstr or cstr
+ *   { :  '0'....'10' for indexes 0 - 10
+ *   ~ :  '1'....'11' for indexes 0 - 10
+ *   * : 'E1'...'E11' for indexes 0 - 10 (By default. Uses LCD_FIRST_TOOL)
+ *   @ : an axis name such as XYZUVW, or E for an extruder
+ *
+ * @param *outstr The output destination buffer
+ * @param ptpl A ROM string (template)
+ * @param ind An index value to use for = ~ * substitution
+ * @param cstr An SRAM C-string to use for $ substitution
+ * @param fstr A ROM F-string to use for $ substitution
+ * @param maxlen The maximum size of the string (in pixels on GLCD)
+ * @return the output width (in pixels on GLCD)
+ */
+uint8_t expand_u8str_P(char * const outstr, PGM_P const ptpl, const int8_t ind, const char *cstr=nullptr, FSTR_P const fstr=nullptr, const uint8_t maxlen=MAX_MESSAGE_SIZE);
+
+inline uint8_t expand_u8str(char * const outstr, FSTR_P const ftpl, const int8_t ind, const char *cstr=nullptr, FSTR_P const fstr=nullptr, const uint8_t maxlen=MAX_MESSAGE_SIZE) {
+  return expand_u8str_P(outstr, FTOP(ftpl), ind, cstr, fstr, maxlen);
+}
+
 #define LCD_MESSAGE_F(S)       ui.set_status(F(S))
 #define LCD_MESSAGE(M)         ui.set_status(GET_TEXT_F(M))
 #define LCD_MESSAGE_MIN(M)     ui.set_min_status(GET_TEXT_F(M))
diff --git a/Marlin/src/lcd/menu/menu_info.cpp b/Marlin/src/lcd/menu/menu_info.cpp
index 1df70ba802..31d83bd873 100644
--- a/Marlin/src/lcd/menu/menu_info.cpp
+++ b/Marlin/src/lcd/menu/menu_info.cpp
@@ -30,6 +30,10 @@
 
 #include "menu_item.h"
 
+#if ENABLED(CONFIGURABLE_MACHINE_NAME)
+  #include "../../MarlinCore.h"
+#endif
+
 #if HAS_GAMES
   #include "game/game.h"
 #endif
@@ -246,7 +250,11 @@ void menu_info_board() {
     STATIC_ITEM(MSG_MARLIN, SS_DEFAULT|SS_INVERT);                // Marlin
     STATIC_ITEM_F(F(SHORT_BUILD_VERSION));                        // x.x.x-Branch
     STATIC_ITEM_F(F(STRING_DISTRIBUTION_DATE));                   // YYYY-MM-DD HH:MM
-    STATIC_ITEM_F(F(MACHINE_NAME), SS_DEFAULT|SS_INVERT);         // My3DPrinter
+    #if ENABLED(CONFIGURABLE_MACHINE_NAME)
+      STATIC_ITEM_C(&machine_name, SS_DEFAULT|SS_INVERT);         // My3DPrinter
+    #else
+      STATIC_ITEM_F(F(MACHINE_NAME), SS_DEFAULT|SS_INVERT);       // My3DPrinter
+    #endif
     STATIC_ITEM_F(F(WEBSITE_URL));                                // www.my3dprinter.com
     PSTRING_ITEM(MSG_INFO_EXTRUDERS, STRINGIFY(EXTRUDERS), SS_CENTER); // Extruders: 2
     #if HAS_LEVELING
diff --git a/Marlin/src/lcd/menu/menu_item.h b/Marlin/src/lcd/menu/menu_item.h
index 661deeb4e7..d81b1a8843 100644
--- a/Marlin/src/lcd/menu/menu_item.h
+++ b/Marlin/src/lcd/menu/menu_item.h
@@ -358,20 +358,24 @@ class MenuItem_bool : public MenuEditItemBase {
 // STATIC_ITEM draws a styled string with no highlight.
 // Parameters: label [, style [, char *value] ]
 
-#define STATIC_ITEM_INNER_F(FLABEL, V...) do{           \
+#define STATIC_SKIP() do{ \
   if (_skipStatic && encoderLine <= _thisItemNr) {      \
     ui.encoderPosition += ENCODER_STEPS_PER_MENU_ITEM;  \
     ++encoderLine;                                      \
   }                                                     \
-  if (ui.should_draw())                                 \
-    MenuItem_static::draw(_lcdLineNr, FLABEL, ##V);     \
-} while(0)
+}while(0)
+
+#define STATIC_ITEM_INNER_F(FLABEL, V...) do{       \
+  STATIC_SKIP();                                    \
+  if (ui.should_draw())                             \
+    MenuItem_static::draw(_lcdLineNr, FLABEL, ##V); \
+}while(0)
 
 #define STATIC_ITEM_F(FLABEL, V...) do{ \
   if (MY_LINE())                        \
     STATIC_ITEM_INNER_F(FLABEL, ##V);   \
   NEXT_ITEM();                          \
-} while(0)
+}while(0)
 
 #define STATIC_ITEM_N_F(N, FLABEL, V...) do{ \
   if (MY_LINE()) {                           \
@@ -381,6 +385,16 @@ class MenuItem_bool : public MenuEditItemBase {
   NEXT_ITEM();                               \
 }while(0)
 
+#define STATIC_ITEM_N_F_C(N, FLABEL, CSTR, V...) do{ \
+  if (MY_LINE()) {                                   \
+    MenuItemBase::init(N, CSTR);                     \
+    STATIC_ITEM_INNER_F(FLABEL, ##V);                \
+  }                                                  \
+  NEXT_ITEM();                                       \
+}while(0)
+
+#define STATIC_ITEM_C(CSTR, V...) STATIC_ITEM_N_F_C(0, F("$"), CSTR, ##V)
+
 // PSTRING_ITEM is like STATIC_ITEM
 // but also takes a PSTR and style.
 
diff --git a/Marlin/src/lcd/utf8.cpp b/Marlin/src/lcd/utf8.cpp
index d9dd53e953..2fe6c14490 100644
--- a/Marlin/src/lcd/utf8.cpp
+++ b/Marlin/src/lcd/utf8.cpp
@@ -31,8 +31,6 @@
 
 #include "../inc/MarlinConfigPre.h"
 
-#if HAS_UTF8_UTILS
-
 #include "../inc/MarlinConfig.h"
 
 #if HAS_WIRED_LCD
@@ -204,5 +202,3 @@ uint8_t utf8_byte_pos_by_char_num(const char *pstart, const uint8_t charnum) {
 uint8_t utf8_byte_pos_by_char_num_P(PGM_P pstart, const uint8_t charnum) {
   return utf8_byte_pos_by_char_num_cb(pstart, read_byte_rom, charnum);
 }
-
-#endif // HAS_UTF8_UTILS
diff --git a/Marlin/src/module/settings.cpp b/Marlin/src/module/settings.cpp
index c156bfeaca..485d01066a 100644
--- a/Marlin/src/module/settings.cpp
+++ b/Marlin/src/module/settings.cpp
@@ -570,6 +570,13 @@ typedef struct SettingsDataStruct {
     uint8_t caselight_brightness;                        // M355 P
   #endif
 
+  //
+  // CONFIGURABLE_MACHINE_NAME
+  //
+  #if ENABLED(CONFIGURABLE_MACHINE_NAME)
+    MString<64> machine_name;                            // M550 P
+  #endif
+
   //
   // PASSWORD_FEATURE
   //
@@ -1686,6 +1693,13 @@ void MarlinSettings::postprocess() {
       EEPROM_WRITE(caselight.brightness);
     #endif
 
+    //
+    // CONFIGURABLE_MACHINE_NAME
+    //
+    #if ENABLED(CONFIGURABLE_MACHINE_NAME)
+      EEPROM_WRITE(machine_name);
+    #endif
+
     //
     // Password feature
     //
@@ -2810,6 +2824,13 @@ void MarlinSettings::postprocess() {
         EEPROM_READ(caselight.brightness);
       #endif
 
+      //
+      // CONFIGURABLE_MACHINE_NAME
+      //
+      #if ENABLED(CONFIGURABLE_MACHINE_NAME)
+        EEPROM_READ(machine_name);
+      #endif
+
       //
       // Password feature
       //
@@ -3399,6 +3420,11 @@ void MarlinSettings::reset() {
   //
   TERN_(CASELIGHT_USES_BRIGHTNESS, caselight.brightness = CASE_LIGHT_DEFAULT_BRIGHTNESS);
 
+  //
+  // CONFIGURABLE_MACHINE_NAME
+  //
+  TERN_(CONFIGURABLE_MACHINE_NAME, machine_name = PSTR(MACHINE_NAME));
+
   //
   // TOUCH_SCREEN_CALIBRATION
   //
diff --git a/buildroot/tests/ARMED b/buildroot/tests/ARMED
index e47e101d47..1ac016bc68 100755
--- a/buildroot/tests/ARMED
+++ b/buildroot/tests/ARMED
@@ -12,5 +12,5 @@ set -e
 restore_configs
 use_example_configs ArmEd
 opt_set X_DRIVER_TYPE TMC2130 Y_DRIVER_TYPE TMC2208
-opt_enable LASER_SYNCHRONOUS_M106_M107
+opt_enable CONFIGURABLE_MACHINE_NAME GCODE_QUOTED_STRINGS LASER_SYNCHRONOUS_M106_M107
 exec_test $1 $2 "ArmEd Example Configuration with mixed TMC Drivers" "$3"
diff --git a/buildroot/tests/SAMD21_minitronics20 b/buildroot/tests/SAMD21_minitronics20
index fb23e90be7..77404290a9 100755
--- a/buildroot/tests/SAMD21_minitronics20
+++ b/buildroot/tests/SAMD21_minitronics20
@@ -20,9 +20,10 @@ opt_set MOTHERBOARD BOARD_MINITRONICS20 SERIAL_PORT -1 \
 opt_enable ENDSTOP_INTERRUPTS_FEATURE BLTOUCH Z_MIN_PROBE_REPEATABILITY_TEST \
            FILAMENT_RUNOUT_SENSOR G26_MESH_VALIDATION MESH_EDIT_GFX_OVERLAY Z_SAFE_HOMING \
            EEPROM_SETTINGS NOZZLE_PARK_FEATURE SDSUPPORT SD_CHECK_AND_RETRY \
-           REPRAPWORLD_GRAPHICAL_LCD ADAPTIVE_STEP_SMOOTHING \
+           REPRAPWORLD_GRAPHICAL_LCD ADAPTIVE_STEP_SMOOTHING LCD_INFO_MENU \
            STATUS_MESSAGE_SCROLLING SET_PROGRESS_MANUALLY SHOW_REMAINING_TIME SET_REMAINING_TIME \
            LONG_FILENAME_HOST_SUPPORT CUSTOM_FIRMWARE_UPLOAD M20_TIMESTAMP_SUPPORT \
+           CONFIGURABLE_MACHINE_NAME GCODE_QUOTED_STRINGS \
            SCROLL_LONG_FILENAMES BABYSTEPPING DOUBLECLICK_FOR_Z_BABYSTEPPING \
            MOVE_Z_WHEN_IDLE BABYSTEP_ZPROBE_OFFSET BABYSTEP_GFX_OVERLAY \
            LIN_ADVANCE ADVANCED_PAUSE_FEATURE PARK_HEAD_ON_PAUSE MONITOR_DRIVER_STATUS
diff --git a/ini/features.ini b/ini/features.ini
index a21c36b27e..49e0c5054e 100644
--- a/ini/features.ini
+++ b/ini/features.ini
@@ -295,6 +295,7 @@ PIDTEMPBED                             = build_src_filter=+<src/gcode/config/M30
 HAS_USER_THERMISTORS                   = build_src_filter=+<src/gcode/config/M305.cpp>
 PIDTEMPCHAMBER                         = build_src_filter=+<src/gcode/config/M309.cpp>
 SD_ABORT_ON_ENDSTOP_HIT                = build_src_filter=+<src/gcode/config/M540.cpp>
+CONFIGURABLE_MACHINE_NAME              = build_src_filter=+<src/gcode/config/M550.cpp>
 BAUD_RATE_GCODE                        = build_src_filter=+<src/gcode/config/M575.cpp>
 HAS_SMART_EFF_MOD                      = build_src_filter=+<src/gcode/config/M672.cpp>
 COOLANT_CONTROL|AIR_ASSIST             = build_src_filter=+<src/gcode/control/M7-M9.cpp>