diff --git a/Marlin/src/gcode/bedlevel/M420.cpp b/Marlin/src/gcode/bedlevel/M420.cpp
index 1240b14fd2..5dcef961ee 100644
--- a/Marlin/src/gcode/bedlevel/M420.cpp
+++ b/Marlin/src/gcode/bedlevel/M420.cpp
@@ -243,7 +243,7 @@ void GcodeSuite::M420() {
 }
 
 void GcodeSuite::M420_report(const bool forReplay/*=true*/) {
-  report_heading_etc(forReplay, PSTR(
+  report_heading_etc(forReplay, F(
     TERN(MESH_BED_LEVELING, "Mesh Bed Leveling", TERN(AUTO_BED_LEVELING_UBL, "Unified Bed Leveling", "Auto Bed Leveling"))
   ));
   SERIAL_ECHOF(
diff --git a/Marlin/src/gcode/calibrate/G34_M422.cpp b/Marlin/src/gcode/calibrate/G34_M422.cpp
index 25855e6a4e..8f4eab2c97 100644
--- a/Marlin/src/gcode/calibrate/G34_M422.cpp
+++ b/Marlin/src/gcode/calibrate/G34_M422.cpp
@@ -538,7 +538,7 @@ void GcodeSuite::M422() {
 }
 
 void GcodeSuite::M422_report(const bool forReplay/*=true*/) {
-  report_heading(forReplay, PSTR(STR_Z_AUTO_ALIGN));
+  report_heading(forReplay, F(STR_Z_AUTO_ALIGN));
   LOOP_L_N(i, NUM_Z_STEPPER_DRIVERS) {
     report_echo_start(forReplay);
     SERIAL_ECHOLNPGM_P(
diff --git a/Marlin/src/gcode/calibrate/M425.cpp b/Marlin/src/gcode/calibrate/M425.cpp
index 1d314a37d3..190af0f71b 100644
--- a/Marlin/src/gcode/calibrate/M425.cpp
+++ b/Marlin/src/gcode/calibrate/M425.cpp
@@ -114,7 +114,7 @@ void GcodeSuite::M425() {
 }
 
 void GcodeSuite::M425_report(const bool forReplay/*=true*/) {
-  report_heading_etc(forReplay, PSTR(STR_BACKLASH_COMPENSATION));
+  report_heading_etc(forReplay, F(STR_BACKLASH_COMPENSATION));
   SERIAL_ECHOLNPGM_P(
     PSTR("  M425 F"), backlash.get_correction()
     #ifdef BACKLASH_SMOOTHING_MM
diff --git a/Marlin/src/gcode/calibrate/M665.cpp b/Marlin/src/gcode/calibrate/M665.cpp
index 11de1ce434..aa21471b60 100644
--- a/Marlin/src/gcode/calibrate/M665.cpp
+++ b/Marlin/src/gcode/calibrate/M665.cpp
@@ -62,7 +62,7 @@
   }
 
   void GcodeSuite::M665_report(const bool forReplay/*=true*/) {
-    report_heading_etc(forReplay, PSTR(STR_DELTA_SETTINGS));
+    report_heading_etc(forReplay, F(STR_DELTA_SETTINGS));
     SERIAL_ECHOLNPGM_P(
         PSTR("  M665 L"), LINEAR_UNIT(delta_diagonal_rod)
       , PSTR(" R"), LINEAR_UNIT(delta_radius)
@@ -132,7 +132,7 @@
   }
 
   void GcodeSuite::M665_report(const bool forReplay/*=true*/) {
-    report_heading_etc(forReplay, PSTR(STR_SCARA_SETTINGS " (" STR_S_SEG_PER_SEC TERN_(HAS_SCARA_OFFSET, " " STR_SCARA_P_T_Z) ")"));
+    report_heading_etc(forReplay, F(STR_SCARA_SETTINGS " (" STR_S_SEG_PER_SEC TERN_(HAS_SCARA_OFFSET, " " STR_SCARA_P_T_Z) ")"));
     SERIAL_ECHOLNPGM_P(
       PSTR("  M665 S"), segments_per_second
       #if HAS_SCARA_OFFSET
@@ -162,7 +162,7 @@
   }
 
   void GcodeSuite::M665_report(const bool forReplay/*=true*/) {
-    report_heading_etc(forReplay, PSTR(STR_POLARGRAPH_SETTINGS " (" STR_S_SEG_PER_SEC ")"));
+    report_heading_etc(forReplay, F(STR_POLARGRAPH_SETTINGS " (" STR_S_SEG_PER_SEC ")"));
     SERIAL_ECHOLNPGM("  M665 S", segments_per_second);
   }
 
diff --git a/Marlin/src/gcode/calibrate/M666.cpp b/Marlin/src/gcode/calibrate/M666.cpp
index c4149c2352..15f8baf109 100644
--- a/Marlin/src/gcode/calibrate/M666.cpp
+++ b/Marlin/src/gcode/calibrate/M666.cpp
@@ -61,7 +61,7 @@
   }
 
   void GcodeSuite::M666_report(const bool forReplay/*=true*/) {
-    report_heading_etc(forReplay, PSTR(STR_ENDSTOP_ADJUSTMENT));
+    report_heading_etc(forReplay, F(STR_ENDSTOP_ADJUSTMENT));
     SERIAL_ECHOLNPGM_P(
         PSTR("  M666 X"), LINEAR_UNIT(delta_endstop_adj.a)
       , SP_Y_STR, LINEAR_UNIT(delta_endstop_adj.b)
@@ -105,7 +105,7 @@
   }
 
   void GcodeSuite::M666_report(const bool forReplay/*=true*/) {
-    report_heading_etc(forReplay, PSTR(STR_ENDSTOP_ADJUSTMENT));
+    report_heading_etc(forReplay, F(STR_ENDSTOP_ADJUSTMENT));
     SERIAL_ECHOPGM("  M666");
     #if ENABLED(X_DUAL_ENDSTOPS)
       SERIAL_ECHOLNPGM_P(SP_X_STR, LINEAR_UNIT(endstops.x2_endstop_adj));
diff --git a/Marlin/src/gcode/calibrate/M852.cpp b/Marlin/src/gcode/calibrate/M852.cpp
index c4361b89f3..b24a449652 100644
--- a/Marlin/src/gcode/calibrate/M852.cpp
+++ b/Marlin/src/gcode/calibrate/M852.cpp
@@ -92,7 +92,7 @@ void GcodeSuite::M852() {
 }
 
 void GcodeSuite::M852_report(const bool forReplay/*=true*/) {
-  report_heading_etc(forReplay, PSTR(STR_SKEW_FACTOR));
+  report_heading_etc(forReplay, F(STR_SKEW_FACTOR));
   SERIAL_ECHOPAIR_F("  M851 I", planner.skew_factor.xy, 6);
   #if ENABLED(SKEW_CORRECTION_FOR_Z)
     SERIAL_ECHOPAIR_F(" J", planner.skew_factor.xz, 6);
diff --git a/Marlin/src/gcode/config/M200-M205.cpp b/Marlin/src/gcode/config/M200-M205.cpp
index 2880bd9943..7b7ce5e10d 100644
--- a/Marlin/src/gcode/config/M200-M205.cpp
+++ b/Marlin/src/gcode/config/M200-M205.cpp
@@ -76,7 +76,7 @@
 
   void GcodeSuite::M200_report(const bool forReplay/*=true*/) {
     if (!forReplay) {
-      report_heading(forReplay, PSTR(STR_FILAMENT_SETTINGS), false);
+      report_heading(forReplay, F(STR_FILAMENT_SETTINGS), false);
       if (!parser.volumetric_enabled) SERIAL_ECHOPGM(" (Disabled):");
       SERIAL_EOL();
       report_echo_start(forReplay);
@@ -133,7 +133,7 @@ void GcodeSuite::M201() {
 }
 
 void GcodeSuite::M201_report(const bool forReplay/*=true*/) {
-  report_heading_etc(forReplay, PSTR(STR_MAX_ACCELERATION));
+  report_heading_etc(forReplay, F(STR_MAX_ACCELERATION));
   SERIAL_ECHOLNPGM_P(
     LIST_N(DOUBLE(LINEAR_AXES),
       PSTR("  M201 X"), LINEAR_UNIT(planner.settings.max_acceleration_mm_per_s2[X_AXIS]),
@@ -178,7 +178,7 @@ void GcodeSuite::M203() {
 }
 
 void GcodeSuite::M203_report(const bool forReplay/*=true*/) {
-  report_heading_etc(forReplay, PSTR(STR_MAX_FEEDRATES));
+  report_heading_etc(forReplay, F(STR_MAX_FEEDRATES));
   SERIAL_ECHOLNPGM_P(
     LIST_N(DOUBLE(LINEAR_AXES),
       PSTR("  M203 X"), LINEAR_UNIT(planner.settings.max_feedrate_mm_s[X_AXIS]),
@@ -224,7 +224,7 @@ void GcodeSuite::M204() {
 }
 
 void GcodeSuite::M204_report(const bool forReplay/*=true*/) {
-  report_heading_etc(forReplay, PSTR(STR_ACCELERATION_P_R_T));
+  report_heading_etc(forReplay, F(STR_ACCELERATION_P_R_T));
   SERIAL_ECHOLNPGM_P(
       PSTR("  M204 P"), LINEAR_UNIT(planner.settings.acceleration)
     , PSTR(" R"), LINEAR_UNIT(planner.settings.retract_acceleration)
@@ -285,7 +285,7 @@ void GcodeSuite::M205() {
 }
 
 void GcodeSuite::M205_report(const bool forReplay/*=true*/) {
-  report_heading_etc(forReplay, PSTR(
+  report_heading_etc(forReplay, F(
     "Advanced (B<min_segment_time_us> S<min_feedrate> T<min_travel_feedrate>"
     TERN_(HAS_JUNCTION_DEVIATION, " J<junc_dev>")
     TERN_(HAS_CLASSIC_JERK, " X<max_x_jerk> Y<max_y_jerk> Z<max_z_jerk>")
diff --git a/Marlin/src/gcode/config/M217.cpp b/Marlin/src/gcode/config/M217.cpp
index 1299259b53..7576272a48 100644
--- a/Marlin/src/gcode/config/M217.cpp
+++ b/Marlin/src/gcode/config/M217.cpp
@@ -131,7 +131,7 @@ void GcodeSuite::M217() {
 }
 
 void GcodeSuite::M217_report(const bool forReplay/*=true*/) {
-  report_heading_etc(forReplay, PSTR(STR_TOOL_CHANGING));
+  report_heading_etc(forReplay, F(STR_TOOL_CHANGING));
 
   SERIAL_ECHOPGM("  M217");
 
diff --git a/Marlin/src/gcode/config/M218.cpp b/Marlin/src/gcode/config/M218.cpp
index c95cd6c1b9..c39447a28d 100644
--- a/Marlin/src/gcode/config/M218.cpp
+++ b/Marlin/src/gcode/config/M218.cpp
@@ -57,7 +57,7 @@ void GcodeSuite::M218() {
 }
 
 void GcodeSuite::M218_report(const bool forReplay/*=true*/) {
-  report_heading_etc(forReplay, PSTR(STR_HOTEND_OFFSETS));
+  report_heading_etc(forReplay, F(STR_HOTEND_OFFSETS));
   LOOP_S_L_N(e, 1, HOTENDS) {
     report_echo_start(forReplay);
     SERIAL_ECHOPGM_P(
diff --git a/Marlin/src/gcode/config/M281.cpp b/Marlin/src/gcode/config/M281.cpp
index ac91f08cb4..b90de6be30 100644
--- a/Marlin/src/gcode/config/M281.cpp
+++ b/Marlin/src/gcode/config/M281.cpp
@@ -55,7 +55,7 @@ void GcodeSuite::M281() {
 }
 
 void GcodeSuite::M281_report(const bool forReplay/*=true*/) {
-  report_heading_etc(forReplay, PSTR(STR_SERVO_ANGLES));
+  report_heading_etc(forReplay, F(STR_SERVO_ANGLES));
   LOOP_L_N(i, NUM_SERVOS) {
     switch (i) {
       default: break;
diff --git a/Marlin/src/gcode/config/M301.cpp b/Marlin/src/gcode/config/M301.cpp
index db882b3b65..fc9f1883d6 100644
--- a/Marlin/src/gcode/config/M301.cpp
+++ b/Marlin/src/gcode/config/M301.cpp
@@ -79,7 +79,7 @@ void GcodeSuite::M301() {
 }
 
 void GcodeSuite::M301_report(const bool forReplay/*=true*/ E_OPTARG(const int8_t eindex/*=-1*/)) {
-  report_heading(forReplay, PSTR(STR_HOTEND_PID));
+  report_heading(forReplay, F(STR_HOTEND_PID));
   IF_DISABLED(HAS_MULTI_EXTRUDER, constexpr int8_t eindex = -1);
   HOTEND_LOOP() {
     if (e == eindex || eindex == -1) {
diff --git a/Marlin/src/gcode/config/M304.cpp b/Marlin/src/gcode/config/M304.cpp
index 05ee4bad80..4bd415db1e 100644
--- a/Marlin/src/gcode/config/M304.cpp
+++ b/Marlin/src/gcode/config/M304.cpp
@@ -42,7 +42,7 @@ void GcodeSuite::M304() {
 }
 
 void GcodeSuite::M304_report(const bool forReplay/*=true*/) {
-  report_heading_etc(forReplay, PSTR(STR_BED_PID));
+  report_heading_etc(forReplay, F(STR_BED_PID));
   SERIAL_ECHO_MSG(
       "  M304 P", thermalManager.temp_bed.pid.Kp
     , " I", unscalePID_i(thermalManager.temp_bed.pid.Ki)
diff --git a/Marlin/src/gcode/config/M309.cpp b/Marlin/src/gcode/config/M309.cpp
index 01c4e62347..577023292e 100644
--- a/Marlin/src/gcode/config/M309.cpp
+++ b/Marlin/src/gcode/config/M309.cpp
@@ -42,7 +42,7 @@ void GcodeSuite::M309() {
 }
 
 void GcodeSuite::M309_report(const bool forReplay/*=true*/) {
-  report_heading_etc(forReplay, PSTR(STR_CHAMBER_PID));
+  report_heading_etc(forReplay, F(STR_CHAMBER_PID));
   SERIAL_ECHOLNPGM(
       "  M309 P", thermalManager.temp_chamber.pid.Kp
     , " I", unscalePID_i(thermalManager.temp_chamber.pid.Ki)
diff --git a/Marlin/src/gcode/config/M92.cpp b/Marlin/src/gcode/config/M92.cpp
index ef11533114..54fe698f97 100644
--- a/Marlin/src/gcode/config/M92.cpp
+++ b/Marlin/src/gcode/config/M92.cpp
@@ -91,7 +91,7 @@ void GcodeSuite::M92() {
 }
 
 void GcodeSuite::M92_report(const bool forReplay/*=true*/, const int8_t e/*=-1*/) {
-  report_heading_etc(forReplay, PSTR(STR_STEPS_PER_UNIT));
+  report_heading_etc(forReplay, F(STR_STEPS_PER_UNIT));
   SERIAL_ECHOPGM_P(LIST_N(DOUBLE(LINEAR_AXES),
     PSTR("  M92 X"), LINEAR_UNIT(planner.settings.axis_steps_per_mm[X_AXIS]),
     SP_Y_STR, LINEAR_UNIT(planner.settings.axis_steps_per_mm[Y_AXIS]),
diff --git a/Marlin/src/gcode/control/M211.cpp b/Marlin/src/gcode/control/M211.cpp
index d108070279..95ae052a7b 100644
--- a/Marlin/src/gcode/control/M211.cpp
+++ b/Marlin/src/gcode/control/M211.cpp
@@ -40,7 +40,7 @@ void GcodeSuite::M211() {
 }
 
 void GcodeSuite::M211_report(const bool forReplay/*=true*/) {
-  report_heading_etc(forReplay, PSTR(STR_SOFT_ENDSTOPS));
+  report_heading_etc(forReplay, F(STR_SOFT_ENDSTOPS));
   SERIAL_ECHOPGM("  M211 S", AS_DIGIT(soft_endstop._enabled), " ; ");
   serialprintln_onoff(soft_endstop._enabled);
 
diff --git a/Marlin/src/gcode/feature/advance/M900.cpp b/Marlin/src/gcode/feature/advance/M900.cpp
index 4ed601bbe8..054ea3617f 100644
--- a/Marlin/src/gcode/feature/advance/M900.cpp
+++ b/Marlin/src/gcode/feature/advance/M900.cpp
@@ -145,7 +145,7 @@ void GcodeSuite::M900() {
 }
 
 void GcodeSuite::M900_report(const bool forReplay/*=true*/) {
-  report_heading(forReplay, PSTR(STR_LINEAR_ADVANCE));
+  report_heading(forReplay, F(STR_LINEAR_ADVANCE));
   #if EXTRUDERS < 2
     report_echo_start(forReplay);
     SERIAL_ECHOLNPGM("  M900 K", planner.extruder_advance_K[0]);
diff --git a/Marlin/src/gcode/feature/controllerfan/M710.cpp b/Marlin/src/gcode/feature/controllerfan/M710.cpp
index eede16b5bd..b98d88845d 100644
--- a/Marlin/src/gcode/feature/controllerfan/M710.cpp
+++ b/Marlin/src/gcode/feature/controllerfan/M710.cpp
@@ -67,7 +67,7 @@ void GcodeSuite::M710() {
 }
 
 void GcodeSuite::M710_report(const bool forReplay/*=true*/) {
-  report_heading_etc(forReplay, PSTR(STR_CONTROLLER_FAN));
+  report_heading_etc(forReplay, F(STR_CONTROLLER_FAN));
   SERIAL_ECHOLNPGM("  M710"
     " S", int(controllerFan.settings.active_speed),
     " I", int(controllerFan.settings.idle_speed),
diff --git a/Marlin/src/gcode/feature/digipot/M907-M910.cpp b/Marlin/src/gcode/feature/digipot/M907-M910.cpp
index a0b5c48e82..757cffd473 100644
--- a/Marlin/src/gcode/feature/digipot/M907-M910.cpp
+++ b/Marlin/src/gcode/feature/digipot/M907-M910.cpp
@@ -100,7 +100,7 @@ void GcodeSuite::M907() {
 #if HAS_MOTOR_CURRENT_SPI || HAS_MOTOR_CURRENT_PWM
 
   void GcodeSuite::M907_report(const bool forReplay/*=true*/) {
-    report_heading_etc(forReplay, PSTR(STR_STEPPER_MOTOR_CURRENTS));
+    report_heading_etc(forReplay, F(STR_STEPPER_MOTOR_CURRENTS));
     #if HAS_MOTOR_CURRENT_PWM
       SERIAL_ECHOLNPGM_P(                                    // PWM-based has 3 values:
           PSTR("  M907 X"), stepper.motor_current_setting[0]  // X and Y
diff --git a/Marlin/src/gcode/feature/fwretract/M207-M209.cpp b/Marlin/src/gcode/feature/fwretract/M207-M209.cpp
index 040a09a8e0..173c2894dc 100644
--- a/Marlin/src/gcode/feature/fwretract/M207-M209.cpp
+++ b/Marlin/src/gcode/feature/fwretract/M207-M209.cpp
@@ -38,7 +38,7 @@
 void GcodeSuite::M207() { fwretract.M207(); }
 
 void GcodeSuite::M207_report(const bool forReplay/*=true*/) {
-  report_heading_etc(forReplay, PSTR(STR_RETRACT_S_F_Z));
+  report_heading_etc(forReplay, F(STR_RETRACT_S_F_Z));
   fwretract.M207_report();
 }
 
@@ -53,7 +53,7 @@ void GcodeSuite::M207_report(const bool forReplay/*=true*/) {
 void GcodeSuite::M208() { fwretract.M208(); }
 
 void GcodeSuite::M208_report(const bool forReplay/*=true*/) {
-  report_heading_etc(forReplay, PSTR(STR_RECOVER_S_F));
+  report_heading_etc(forReplay, F(STR_RECOVER_S_F));
   fwretract.M208_report();
 }
 
@@ -68,7 +68,7 @@ void GcodeSuite::M208_report(const bool forReplay/*=true*/) {
   void GcodeSuite::M209() { fwretract.M209(); }
 
   void GcodeSuite::M209_report(const bool forReplay/*=true*/) {
-    report_heading_etc(forReplay, PSTR(STR_AUTO_RETRACT_S));
+    report_heading_etc(forReplay, F(STR_AUTO_RETRACT_S));
     fwretract.M209_report();
   }
 
diff --git a/Marlin/src/gcode/feature/pause/M603.cpp b/Marlin/src/gcode/feature/pause/M603.cpp
index ebb110d2e7..6689749cfb 100644
--- a/Marlin/src/gcode/feature/pause/M603.cpp
+++ b/Marlin/src/gcode/feature/pause/M603.cpp
@@ -65,7 +65,7 @@ void GcodeSuite::M603() {
 }
 
 void GcodeSuite::M603_report(const bool forReplay/*=true*/) {
-  report_heading(forReplay, PSTR(STR_FILAMENT_LOAD_UNLOAD));
+  report_heading(forReplay, F(STR_FILAMENT_LOAD_UNLOAD));
 
   #if EXTRUDERS == 1
     report_echo_start(forReplay);
diff --git a/Marlin/src/gcode/feature/powerloss/M413.cpp b/Marlin/src/gcode/feature/powerloss/M413.cpp
index 9bf109559f..e02bd4bd95 100644
--- a/Marlin/src/gcode/feature/powerloss/M413.cpp
+++ b/Marlin/src/gcode/feature/powerloss/M413.cpp
@@ -57,7 +57,7 @@ void GcodeSuite::M413() {
 }
 
 void GcodeSuite::M413_report(const bool forReplay/*=true*/) {
-  report_heading_etc(forReplay, PSTR(STR_POWER_LOSS_RECOVERY));
+  report_heading_etc(forReplay, F(STR_POWER_LOSS_RECOVERY));
   SERIAL_ECHOPGM("  M413 S", AS_DIGIT(recovery.enabled), " ; ");
   serialprintln_onoff(recovery.enabled);
 }
diff --git a/Marlin/src/gcode/feature/runout/M412.cpp b/Marlin/src/gcode/feature/runout/M412.cpp
index 9cbfbade66..bcf1e9f1b1 100644
--- a/Marlin/src/gcode/feature/runout/M412.cpp
+++ b/Marlin/src/gcode/feature/runout/M412.cpp
@@ -67,7 +67,7 @@ void GcodeSuite::M412() {
 }
 
 void GcodeSuite::M412_report(const bool forReplay/*=true*/) {
-  report_heading_etc(forReplay, PSTR(STR_FILAMENT_RUNOUT_SENSOR));
+  report_heading_etc(forReplay, F(STR_FILAMENT_RUNOUT_SENSOR));
   SERIAL_ECHOPGM(
     "  M412 S", runout.enabled
     #if HAS_FILAMENT_RUNOUT_DISTANCE
diff --git a/Marlin/src/gcode/feature/trinamic/M569.cpp b/Marlin/src/gcode/feature/trinamic/M569.cpp
index 00aadd4756..959fc16e67 100644
--- a/Marlin/src/gcode/feature/trinamic/M569.cpp
+++ b/Marlin/src/gcode/feature/trinamic/M569.cpp
@@ -139,7 +139,7 @@ void GcodeSuite::M569() {
 }
 
 void GcodeSuite::M569_report(const bool forReplay/*=true*/) {
-  report_heading(forReplay, PSTR(STR_DRIVER_STEPPING_MODE));
+  report_heading(forReplay, F(STR_DRIVER_STEPPING_MODE));
 
   auto say_M569 = [](const bool forReplay, const char * const etc=nullptr, const bool eol=false) {
     if (!forReplay) SERIAL_ECHO_START();
diff --git a/Marlin/src/gcode/feature/trinamic/M906.cpp b/Marlin/src/gcode/feature/trinamic/M906.cpp
index c3e12a4f92..f28718c831 100644
--- a/Marlin/src/gcode/feature/trinamic/M906.cpp
+++ b/Marlin/src/gcode/feature/trinamic/M906.cpp
@@ -199,7 +199,7 @@ void GcodeSuite::M906() {
 }
 
 void GcodeSuite::M906_report(const bool forReplay/*=true*/) {
-  report_heading(forReplay, PSTR(STR_STEPPER_DRIVER_CURRENT));
+  report_heading(forReplay, F(STR_STEPPER_DRIVER_CURRENT));
 
   auto say_M906 = [](const bool forReplay) {
     report_echo_start(forReplay);
diff --git a/Marlin/src/gcode/feature/trinamic/M911-M914.cpp b/Marlin/src/gcode/feature/trinamic/M911-M914.cpp
index f15343484a..3f83558fd4 100644
--- a/Marlin/src/gcode/feature/trinamic/M911-M914.cpp
+++ b/Marlin/src/gcode/feature/trinamic/M911-M914.cpp
@@ -311,7 +311,7 @@
   }
 
   void GcodeSuite::M913_report(const bool forReplay/*=true*/) {
-    report_heading(forReplay, PSTR(STR_HYBRID_THRESHOLD));
+    report_heading(forReplay, F(STR_HYBRID_THRESHOLD));
 
     auto say_M913 = [](const bool forReplay) {
       report_echo_start(forReplay);
@@ -512,7 +512,7 @@
   }
 
   void GcodeSuite::M914_report(const bool forReplay/*=true*/) {
-    report_heading(forReplay, PSTR(STR_STALLGUARD_THRESHOLD));
+    report_heading(forReplay, F(STR_STALLGUARD_THRESHOLD));
 
     auto say_M914 = [](const bool forReplay) {
       report_echo_start(forReplay);
diff --git a/Marlin/src/gcode/gcode.cpp b/Marlin/src/gcode/gcode.cpp
index e23315e9f5..e05a5f236a 100644
--- a/Marlin/src/gcode/gcode.cpp
+++ b/Marlin/src/gcode/gcode.cpp
@@ -103,12 +103,12 @@ axis_bits_t GcodeSuite::axis_relative = 0 LOGICAL_AXIS_GANG(
 #endif
 
 void GcodeSuite::report_echo_start(const bool forReplay) { if (!forReplay) SERIAL_ECHO_START(); }
-void GcodeSuite::report_heading(const bool forReplay, PGM_P const pstr, const bool eol/*=true*/) {
+void GcodeSuite::report_heading(const bool forReplay, FSTR_P const fstr, const bool eol/*=true*/) {
   if (forReplay) return;
-  if (pstr) {
+  if (fstr) {
     SERIAL_ECHO_START();
     SERIAL_ECHOPGM("; ");
-    SERIAL_ECHOPGM_P(pstr);
+    SERIAL_ECHOF(fstr);
   }
   if (eol) { SERIAL_CHAR(':'); SERIAL_EOL(); }
 }
diff --git a/Marlin/src/gcode/gcode.h b/Marlin/src/gcode/gcode.h
index 0106f002c2..5ad4750fe4 100644
--- a/Marlin/src/gcode/gcode.h
+++ b/Marlin/src/gcode/gcode.h
@@ -382,9 +382,9 @@ public:
   }
 
   static void report_echo_start(const bool forReplay);
-  static void report_heading(const bool forReplay, PGM_P const pstr, const bool eol=true);
-  static inline void report_heading_etc(const bool forReplay, PGM_P const pstr, const bool eol=true) {
-    report_heading(forReplay, pstr, eol);
+  static void report_heading(const bool forReplay, FSTR_P const fstr, const bool eol=true);
+  static inline void report_heading_etc(const bool forReplay, FSTR_P const fstr, const bool eol=true) {
+    report_heading(forReplay, fstr, eol);
     report_echo_start(forReplay);
   }
   static void say_units();
diff --git a/Marlin/src/gcode/geometry/M206_M428.cpp b/Marlin/src/gcode/geometry/M206_M428.cpp
index 8dba238d09..131dbecf33 100644
--- a/Marlin/src/gcode/geometry/M206_M428.cpp
+++ b/Marlin/src/gcode/geometry/M206_M428.cpp
@@ -53,7 +53,7 @@ void GcodeSuite::M206() {
 }
 
 void GcodeSuite::M206_report(const bool forReplay/*=true*/) {
-  report_heading_etc(forReplay, PSTR(STR_HOME_OFFSET));
+  report_heading_etc(forReplay, F(STR_HOME_OFFSET));
   SERIAL_ECHOLNPGM_P(
     #if IS_CARTESIAN
       LIST_N(DOUBLE(LINEAR_AXES),
diff --git a/Marlin/src/gcode/lcd/M145.cpp b/Marlin/src/gcode/lcd/M145.cpp
index 77fd425763..2dba238d3f 100644
--- a/Marlin/src/gcode/lcd/M145.cpp
+++ b/Marlin/src/gcode/lcd/M145.cpp
@@ -61,7 +61,7 @@ void GcodeSuite::M145() {
 }
 
 void GcodeSuite::M145_report(const bool forReplay/*=true*/) {
-  report_heading(forReplay, PSTR(STR_MATERIAL_HEATUP));
+  report_heading(forReplay, F(STR_MATERIAL_HEATUP));
   LOOP_L_N(i, PREHEAT_COUNT) {
     report_echo_start(forReplay);
     SERIAL_ECHOLNPGM_P(
diff --git a/Marlin/src/gcode/lcd/M250.cpp b/Marlin/src/gcode/lcd/M250.cpp
index 083fb37f65..25e4232788 100644
--- a/Marlin/src/gcode/lcd/M250.cpp
+++ b/Marlin/src/gcode/lcd/M250.cpp
@@ -38,7 +38,7 @@ void GcodeSuite::M250() {
 }
 
 void GcodeSuite::M250_report(const bool forReplay/*=true*/) {
-  report_heading_etc(forReplay, PSTR(STR_LCD_CONTRAST));
+  report_heading_etc(forReplay, F(STR_LCD_CONTRAST));
   SERIAL_ECHOLNPGM("  M250 C", ui.contrast);
 }
 
diff --git a/Marlin/src/gcode/lcd/M256.cpp b/Marlin/src/gcode/lcd/M256.cpp
index ee187cc2e1..9842cc2583 100644
--- a/Marlin/src/gcode/lcd/M256.cpp
+++ b/Marlin/src/gcode/lcd/M256.cpp
@@ -37,7 +37,7 @@ void GcodeSuite::M256() {
 }
 
 void GcodeSuite::M256_report(const bool forReplay/*=true*/) {
-  report_heading_etc(forReplay, PSTR(STR_LCD_BRIGHTNESS));
+  report_heading_etc(forReplay, F(STR_LCD_BRIGHTNESS));
   SERIAL_ECHOLNPGM("  M256 B", ui.brightness);
 }
 
diff --git a/Marlin/src/gcode/lcd/M414.cpp b/Marlin/src/gcode/lcd/M414.cpp
index 0eac980e0f..9aa49ea3c2 100644
--- a/Marlin/src/gcode/lcd/M414.cpp
+++ b/Marlin/src/gcode/lcd/M414.cpp
@@ -44,7 +44,7 @@ void GcodeSuite::M414() {
 }
 
 void GcodeSuite::M414_report(const bool forReplay/*=true*/) {
-  report_heading_etc(forReplay, PSTR(STR_UI_LANGUAGE));
+  report_heading_etc(forReplay, F(STR_UI_LANGUAGE));
   SERIAL_ECHOLNPGM("  M414 S", ui.language);
 }
 
diff --git a/Marlin/src/gcode/probe/M851.cpp b/Marlin/src/gcode/probe/M851.cpp
index 7ec326730f..e66392acb4 100644
--- a/Marlin/src/gcode/probe/M851.cpp
+++ b/Marlin/src/gcode/probe/M851.cpp
@@ -84,7 +84,7 @@ void GcodeSuite::M851() {
 }
 
 void GcodeSuite::M851_report(const bool forReplay/*=true*/) {
-  report_heading_etc(forReplay, PSTR(STR_Z_PROBE_OFFSET));
+  report_heading_etc(forReplay, F(STR_Z_PROBE_OFFSET));
   SERIAL_ECHOPGM_P(
     #if HAS_PROBE_XY_OFFSET
       PSTR("  M851 X"), LINEAR_UNIT(probe.offset_xy.x),
diff --git a/Marlin/src/gcode/units/M149.cpp b/Marlin/src/gcode/units/M149.cpp
index b1cfbb2511..3f1ea3654e 100644
--- a/Marlin/src/gcode/units/M149.cpp
+++ b/Marlin/src/gcode/units/M149.cpp
@@ -37,7 +37,7 @@ void GcodeSuite::M149() {
 }
 
 void GcodeSuite::M149_report(const bool forReplay/*=true*/) {
-  report_heading_etc(forReplay, PSTR(STR_TEMPERATURE_UNITS));
+  report_heading_etc(forReplay, F(STR_TEMPERATURE_UNITS));
   SERIAL_ECHOPGM("  M149 ", AS_CHAR(parser.temp_units_code()), " ; Units in ");
   SERIAL_ECHOLNF(parser.temp_units_name());
 }
diff --git a/Marlin/src/module/settings.cpp b/Marlin/src/module/settings.cpp
index 4f15dceba8..6b7143e82a 100644
--- a/Marlin/src/module/settings.cpp
+++ b/Marlin/src/module/settings.cpp
@@ -3037,7 +3037,7 @@ void MarlinSettings::reset() {
   #define CONFIG_ECHO_START()       gcode.report_echo_start(forReplay)
   #define CONFIG_ECHO_MSG(V...)     do{ CONFIG_ECHO_START(); SERIAL_ECHOLNPGM(V); }while(0)
   #define CONFIG_ECHO_MSG_P(V...)   do{ CONFIG_ECHO_START(); SERIAL_ECHOLNPGM_P(V); }while(0)
-  #define CONFIG_ECHO_HEADING(STR)  gcode.report_heading(forReplay, PSTR(STR))
+  #define CONFIG_ECHO_HEADING(STR)  gcode.report_heading(forReplay, F(STR))
 
   void M92_report(const bool echo=true, const int8_t e=-1);
 
diff --git a/Marlin/src/module/temperature.cpp b/Marlin/src/module/temperature.cpp
index aa81ea5d96..a3ada25118 100644
--- a/Marlin/src/module/temperature.cpp
+++ b/Marlin/src/module/temperature.cpp
@@ -1727,7 +1727,7 @@ void Temperature::manage_heater() {
   }
 
   void Temperature::M305_report(const uint8_t t_index, const bool forReplay/*=true*/) {
-    gcode.report_heading_etc(forReplay, PSTR(STR_USER_THERMISTORS));
+    gcode.report_heading_etc(forReplay, F(STR_USER_THERMISTORS));
     SERIAL_ECHOPGM("  M305 P", AS_DIGIT(t_index));
 
     const user_thermistor_t &t = user_thermistor[t_index];