diff --git a/Marlin/src/lcd/extui/lib/anycubic_chiron/FileNavigator.cpp b/Marlin/src/lcd/extui/lib/anycubic_chiron/FileNavigator.cpp
index fb4c84abb..19f8ec81b 100644
--- a/Marlin/src/lcd/extui/lib/anycubic_chiron/FileNavigator.cpp
+++ b/Marlin/src/lcd/extui/lib/anycubic_chiron/FileNavigator.cpp
@@ -44,6 +44,8 @@ using namespace ExtUI;
 
 namespace Anycubic {
 
+  FileNavigator filenavigator;
+
   FileList  FileNavigator::filelist;                          // Instance of the Marlin file API
   char      FileNavigator::currentfoldername[MAX_PATH_LEN];   // Current folder path
   uint16_t  FileNavigator::lastindex;
diff --git a/Marlin/src/lcd/extui/lib/anycubic_chiron/chiron_tft.cpp b/Marlin/src/lcd/extui/lib/anycubic_chiron/chiron_tft.cpp
index b0053895a..61057b5b1 100644
--- a/Marlin/src/lcd/extui/lib/anycubic_chiron/chiron_tft.cpp
+++ b/Marlin/src/lcd/extui/lib/anycubic_chiron/chiron_tft.cpp
@@ -54,6 +54,8 @@ namespace Anycubic {
   float            ChironTFT::live_Zoffset;
   file_menu_t      ChironTFT::file_menu;
 
+  ChironTFT Chiron;
+
   ChironTFT::ChironTFT(){}
 
   void ChironTFT::Startup() {
@@ -574,10 +576,11 @@ namespace Anycubic {
       } break;
 
       case 15:   // A15 Resuming from outage
-        if (printer_state == AC_printer_resuming_from_power_outage)
+        if (printer_state == AC_printer_resuming_from_power_outage) {
           // Need to home here to restore the Z position
-          injectCommands_P(AC_cmnd_power_loss_recovery);
-          injectCommands_P(PSTR("M1000"));  // home and start recovery
+          injectCommands(AC_cmnd_power_loss_recovery);
+          injectCommands("M1000");  // home and start recovery
+        }
         break;
 
       case 16: { // A16 Set HotEnd temp  A17 S170
diff --git a/Marlin/src/pins/lpc1768/pins_BTT_SKR_V1_4.h b/Marlin/src/pins/lpc1768/pins_BTT_SKR_V1_4.h
index 2e9aba02c..dfe86b12b 100644
--- a/Marlin/src/pins/lpc1768/pins_BTT_SKR_V1_4.h
+++ b/Marlin/src/pins/lpc1768/pins_BTT_SKR_V1_4.h
@@ -60,6 +60,13 @@
   #else
     #define X_MIN_PIN                      P1_26  // E0DET
   #endif
+#elif ENABLED(X_DUAL_ENDSTOPS)
+  #ifndef X_MIN_PIN
+    #define X_MIN_PIN                      P1_29  // X-STOP
+  #endif
+  #ifndef X_MAX_PIN
+    #define X_MAX_PIN                      P1_26  // E0DET
+  #endif
 #else
   #define X_STOP_PIN                       P1_29  // X-STOP
 #endif
@@ -71,6 +78,13 @@
   #else
     #define Y_MIN_PIN                      P1_25  // E1DET
   #endif
+#elif ENABLED(Y_DUAL_ENDSTOPS)
+  #ifndef Y_MIN_PIN
+    #define Y_MIN_PIN                      P1_28  // Y-STOP
+  #endif
+  #ifndef Y_MAX_PIN
+    #define Y_MAX_PIN                      P1_25  // E1DET
+  #endif
 #else
   #define Y_STOP_PIN                       P1_28  // Y-STOP
 #endif
@@ -82,6 +96,13 @@
   #else
     #define Z_MIN_PIN                      P1_00  // PWRDET
   #endif
+#elif ENABLED(Z_MULTI_ENDSTOPS)
+  #ifndef Z_MIN_PIN
+    #define Z_MIN_PIN                      P1_27  // Z-STOP
+  #endif
+  #ifndef Z_MAX_PIN
+    #define Z_MAX_PIN                      P1_00  // PWRDET
+  #endif
 #else
   #ifndef Z_STOP_PIN
     #define Z_STOP_PIN                     P1_27  // Z-STOP
@@ -337,6 +358,8 @@
     #define LCD_PINS_ENABLE         EXPA1_05_PIN
     #define LCD_PINS_D4             EXPA1_07_PIN
 
+    #define BEEPER_PIN              EXPA1_10_PIN
+
   #elif ENABLED(CR10_STOCKDISPLAY)
     #define BTN_ENC                 EXPA1_09_PIN  // (58) open-drain
     #define LCD_PINS_RS             EXPA1_04_PIN