diff --git a/.travis.yml b/.travis.yml
index 5638542e76..85cee21999 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -106,7 +106,7 @@ script:
   - opt_enable FIX_MOUNTED_PROBE Z_SAFE_HOMING
   - build_marlin
   #
-  # ...with AUTO_BED_LEVELING_LINEAR, Z_MIN_PROBE_REPEATABILITY_TEST, & DEBUG_LEVELING_FEATURE
+  # ...with AUTO_BED_LEVELING_LINEAR, Z_MIN_PROBE_REPEATABILITY_TEST, and DEBUG_LEVELING_FEATURE
   #
   - opt_enable AUTO_BED_LEVELING_LINEAR Z_MIN_PROBE_REPEATABILITY_TEST DEBUG_LEVELING_FEATURE
   - opt_set ABL_GRID_POINTS_X 16
@@ -119,9 +119,9 @@ script:
   - opt_enable Z_PROBE_SLED
   - build_marlin
   #
-  # ...with AUTO_BED_LEVELING_LINEAR & DEBUG_LEVELING_FEATURE
+  # ...with AUTO_BED_LEVELING_LINEAR, DEBUG_LEVELING_FEATURE, EEPROM_SETTINGS, and EEPROM_CHITCHAT
   #
-  - opt_enable AUTO_BED_LEVELING_LINEAR DEBUG_LEVELING_FEATURE
+  - opt_enable AUTO_BED_LEVELING_LINEAR DEBUG_LEVELING_FEATURE EEPROM_SETTINGS EEPROM_CHITCHAT
   - build_marlin
   #
   # Test a Servo Probe
@@ -130,9 +130,10 @@ script:
   - opt_enable NUM_SERVOS Z_ENDSTOP_SERVO_NR Z_SERVO_ANGLES DEACTIVATE_SERVOS_AFTER_MOVE
   - build_marlin
   #
-  # ...with AUTO_BED_LEVELING_3POINT & DEBUG_LEVELING_FEATURE
+  # ...with AUTO_BED_LEVELING_3POINT, DEBUG_LEVELING_FEATURE, EEPROM_SETTINGS, EEPROM_CHITCHAT, EXTENDED_CAPABILITIES_REPORT, and AUTO_REPORT_TEMPERATURES
   #
-  - opt_enable AUTO_BED_LEVELING_3POINT DEBUG_LEVELING_FEATURE
+  - opt_enable AUTO_BED_LEVELING_3POINT DEBUG_LEVELING_FEATURE EEPROM_SETTINGS EEPROM_CHITCHAT
+  - opt_enable_adv EXTENDED_CAPABILITIES_REPORT AUTO_REPORT_TEMPERATURES
   - build_marlin
   #
   # Test MESH_BED_LEVELING feature, with LCD
diff --git a/Marlin/Conditionals_post.h b/Marlin/Conditionals_post.h
index 5dc5abc482..ff997ce109 100644
--- a/Marlin/Conditionals_post.h
+++ b/Marlin/Conditionals_post.h
@@ -28,12 +28,6 @@
 #ifndef CONDITIONALS_POST_H
 #define CONDITIONALS_POST_H
 
-  #if ENABLED(EMERGENCY_PARSER)
-    #define EMERGENCY_PARSER_CAPABILITIES " EMERGENCY_CODES:M108,M112,M410"
-  #else
-    #define EMERGENCY_PARSER_CAPABILITIES ""
-  #endif
-
   /**
    * Axis lengths and center
    */
diff --git a/Marlin/Configuration_adv.h b/Marlin/Configuration_adv.h
index 8868dcf641..f750c42fac 100644
--- a/Marlin/Configuration_adv.h
+++ b/Marlin/Configuration_adv.h
@@ -808,22 +808,22 @@
  *
  * ; Example #1
  * ; This macro send the string "Marlin" to the slave device with address 0x63 (99)
- * ; It uses multiple M155 commands with one B<base 10> arg
- * M155 A99  ; Target slave address
- * M155 B77  ; M
- * M155 B97  ; a
- * M155 B114 ; r
- * M155 B108 ; l
- * M155 B105 ; i
- * M155 B110 ; n
- * M155 S1   ; Send the current buffer
+ * ; It uses multiple M260 commands with one B<base 10> arg
+ * M260 A99  ; Target slave address
+ * M260 B77  ; M
+ * M260 B97  ; a
+ * M260 B114 ; r
+ * M260 B108 ; l
+ * M260 B105 ; i
+ * M260 B110 ; n
+ * M260 S1   ; Send the current buffer
  *
  * ; Example #2
  * ; Request 6 bytes from slave device with address 0x63 (99)
- * M156 A99 B5
+ * M261 A99 B5
  *
  * ; Example #3
- * ; Example serial output of a M156 request
+ * ; Example serial output of a M261 request
  * echo:i2c-reply: from:99 bytes:5 data:hello
  */
 
@@ -837,4 +837,14 @@
  */
 //#define PINS_DEBUGGING
 
+/**
+ * Auto-report temperatures with M155 S<seconds>
+ */
+//#define AUTO_REPORT_TEMPERATURES
+
+/**
+ * Include capabilities in M115 output
+ */
+//#define EXTENDED_CAPABILITIES_REPORT
+
 #endif // CONFIGURATION_ADV_H
diff --git a/Marlin/Marlin_main.cpp b/Marlin/Marlin_main.cpp
index 0a65a7478d..680d551f8c 100755
--- a/Marlin/Marlin_main.cpp
+++ b/Marlin/Marlin_main.cpp
@@ -175,7 +175,7 @@
  * M112 - Emergency stop.
  * M113 - Get or set the timeout interval for Host Keepalive "busy" messages. (Requires HOST_KEEPALIVE_FEATURE)
  * M114 - Report current position.
- * M115 - Report capabilities.
+ * M115 - Report capabilities. (Extended capabilities requires EXTENDED_CAPABILITIES_REPORT)
  * M117 - Display a message on the controller screen. (Requires an LCD)
  * M119 - Report endstops status.
  * M120 - Enable endstops detection.
@@ -188,6 +188,7 @@
  * M145 - Set heatup values for materials on the LCD. H<hotend> B<bed> F<fan speed> for S<material> (0=PLA, 1=ABS)
  * M149 - Set temperature units. (Requires TEMPERATURE_UNITS_SUPPORT)
  * M150 - Set BlinkM Color R<red> U<green> B<blue>. Values 0-255. (Requires BLINKM)
+ * M155 - Auto-report temperatures with interval of S<seconds>. (Requires AUTO_REPORT_TEMPERATURES)
  * M163 - Set a single proportion for a mixing extruder. (Requires MIXING_EXTRUDER)
  * M164 - Save the mix as a virtual extruder. (Requires MIXING_EXTRUDER and MIXING_VIRTUAL_TOOLS)
  * M165 - Set the proportions for a mixing extruder. Use parameters ABCDHI to set the mixing factors. (Requires MIXING_EXTRUDER)
@@ -214,6 +215,8 @@
  * M226 - Wait until a pin is in a given state: "M226 P<pin> S<state>"
  * M240 - Trigger a camera to take a photograph. (Requires CHDK or PHOTOGRAPH_PIN)
  * M250 - Set LCD contrast: "M250 C<contrast>" (0-63). (Requires LCD support)
+ * M260 - i2c Send Data (Requires EXPERIMENTAL_I2CBUS)
+ * M261 - i2c Request Data (Requires EXPERIMENTAL_I2CBUS)
  * M280 - Set servo position absolute: "M280 P<index> S<angle|µs>". (Requires servos)
  * M300 - Play beep sound S<frequency Hz> P<duration ms>
  * M301 - Set PID parameters P I and D. (Requires PIDTEMP)
@@ -865,11 +868,20 @@ void setup_homepin(void) {
 #if HAS_CASE_LIGHT
 
   void setup_case_light() {
-    #if ENABLED(CASE_LIGHT_DEFAULT_ON)
-      OUT_WRITE(CASE_LIGHT_PIN, HIGH);
-    #else
-      OUT_WRITE(CASE_LIGHT_PIN, LOW);
-    #endif
+    digitalWrite(CASE_LIGHT_PIN,
+      #if ENABLED(CASE_LIGHT_DEFAULT_ON)
+        255
+      #else
+        0
+      #endif
+    );
+    analogWrite(CASE_LIGHT_PIN,
+      #if ENABLED(CASE_LIGHT_DEFAULT_ON)
+        255
+      #else
+        0
+      #endif
+    );
   }
 
 #endif
@@ -5141,6 +5153,31 @@ inline void gcode_M105() {
   SERIAL_EOL;
 }
 
+#if ENABLED(AUTO_REPORT_TEMPERATURES) && (HAS_TEMP_HOTEND || HAS_TEMP_BED)
+
+  static uint8_t auto_report_temp_interval;
+  static millis_t next_temp_report_ms;
+
+  /**
+   * M155: Set temperature auto-report interval. M155 S<seconds>
+   */
+  inline void gcode_M155() {
+    if (code_seen('S')) {
+      auto_report_temp_interval = code_value_byte();
+      NOMORE(auto_report_temp_interval, 60);
+      next_temp_report_ms = millis() + 1000UL * auto_report_temp_interval;
+    }
+  }
+
+  inline void auto_report_temperatures() {
+    if (auto_report_temp_interval && ELAPSED(millis(), next_temp_report_ms)) {
+      next_temp_report_ms = millis() + 1000UL * auto_report_temp_interval;
+      print_heaterstates();
+    }
+  }
+
+#endif // AUTO_REPORT_TEMPERATURES
+
 #if FAN_COUNT > 0
 
   /**
@@ -5751,7 +5788,71 @@ inline void gcode_M114() { report_current_position(); }
  * M115: Capabilities string
  */
 inline void gcode_M115() {
-  SERIAL_PROTOCOLPGM(MSG_M115_REPORT);
+  SERIAL_PROTOCOLLNPGM(MSG_M115_REPORT);
+
+  #if ENABLED(EXTENDED_CAPABILITIES_REPORT)
+
+    // EEPROM (M500, M501)
+    SERIAL_PROTOCOLPGM("Cap:");
+    #if ENABLED(EEPROM_SETTINGS)
+      SERIAL_PROTOCOLLNPGM("EEPROM:1");
+    #else
+      SERIAL_PROTOCOLLNPGM("EEPROM:0");
+    #endif
+
+    // AUTOREPORT_TEMP (M155)
+    SERIAL_PROTOCOLPGM("Cap:");
+    #if ENABLED(AUTO_REPORT_TEMPERATURES)
+      SERIAL_PROTOCOLLNPGM("AUTOREPORT_TEMP:1");
+    #else
+      SERIAL_PROTOCOLLNPGM("AUTOREPORT_TEMP:0");
+    #endif
+
+    // PROGRESS (M530 S L, M531 <file>, M532 X L)
+    SERIAL_PROTOCOLPGM("Cap:");
+    SERIAL_PROTOCOLPGM("PROGRESS:0");
+
+    // AUTOLEVEL (G29)
+    SERIAL_PROTOCOLPGM("Cap:");
+    #if HAS_ABL
+      SERIAL_PROTOCOLLNPGM("AUTOLEVEL:1");
+    #else
+      SERIAL_PROTOCOLLNPGM("AUTOLEVEL:0");
+    #endif
+
+    // Z_PROBE (G30)
+    SERIAL_PROTOCOLPGM("Cap:");
+    #if HAS_BED_PROBE
+      SERIAL_PROTOCOLLNPGM("Z_PROBE:1");
+    #else
+      SERIAL_PROTOCOLLNPGM("Z_PROBE:0");
+    #endif
+
+    // SOFTWARE_POWER (G30)
+    SERIAL_PROTOCOLPGM("Cap:");
+    #if HAS_POWER_SWITCH
+      SERIAL_PROTOCOLLNPGM("SOFTWARE_POWER:1");
+    #else
+      SERIAL_PROTOCOLLNPGM("SOFTWARE_POWER:0");
+    #endif
+
+    // TOGGLE_LIGHTS (M355)
+    SERIAL_PROTOCOLPGM("Cap:");
+    #if HAS_CASE_LIGHT
+      SERIAL_PROTOCOLLNPGM("TOGGLE_LIGHTS:1");
+    #else
+      SERIAL_PROTOCOLLNPGM("TOGGLE_LIGHTS:0");
+    #endif
+
+    // EMERGENCY_PARSER (M108, M112, M410)
+    SERIAL_PROTOCOLPGM("Cap:");
+    #if ENABLED(EMERGENCY_PARSER)
+      SERIAL_PROTOCOLLNPGM("EMERGENCY_PARSER:1");
+    #else
+      SERIAL_PROTOCOLLNPGM("EMERGENCY_PARSER:0");
+    #endif
+
+  #endif // EXTENDED_CAPABILITIES_REPORT
 }
 
 /**
@@ -5791,59 +5892,6 @@ inline void gcode_M121() { endstops.enable_globally(false); }
 
 #endif // BLINKM
 
-#if ENABLED(EXPERIMENTAL_I2CBUS)
-
-  /**
-   * M155: Send data to a I2C slave device
-   *
-   * This is a PoC, the formating and arguments for the GCODE will
-   * change to be more compatible, the current proposal is:
-   *
-   *  M155 A<slave device address base 10> ; Sets the I2C slave address the data will be sent to
-   *
-   *  M155 B<byte-1 value in base 10>
-   *  M155 B<byte-2 value in base 10>
-   *  M155 B<byte-3 value in base 10>
-   *
-   *  M155 S1 ; Send the buffered data and reset the buffer
-   *  M155 R1 ; Reset the buffer without sending data
-   *
-   */
-  inline void gcode_M155() {
-    // Set the target address
-    if (code_seen('A')) i2c.address(code_value_byte());
-
-    // Add a new byte to the buffer
-    if (code_seen('B')) i2c.addbyte(code_value_byte());
-
-    // Flush the buffer to the bus
-    if (code_seen('S')) i2c.send();
-
-    // Reset and rewind the buffer
-    else if (code_seen('R')) i2c.reset();
-  }
-
-  /**
-   * M156: Request X bytes from I2C slave device
-   *
-   * Usage: M156 A<slave device address base 10> B<number of bytes>
-   */
-  inline void gcode_M156() {
-    if (code_seen('A')) i2c.address(code_value_byte());
-
-    uint8_t bytes = code_seen('B') ? code_value_byte() : 1;
-
-    if (i2c.addr && bytes && bytes <= TWIBUS_BUFFER_SIZE) {
-      i2c.relay(bytes);
-    }
-    else {
-      SERIAL_ERROR_START;
-      SERIAL_ERRORLN("Bad i2c request");
-    }
-  }
-
-#endif // EXPERIMENTAL_I2CBUS
-
 /**
  * M200: Set filament diameter and set E axis units to cubic units
  *
@@ -6190,6 +6238,59 @@ inline void gcode_M226() {
   } // code_seen('P')
 }
 
+#if ENABLED(EXPERIMENTAL_I2CBUS)
+
+  /**
+   * M260: Send data to a I2C slave device
+   *
+   * This is a PoC, the formating and arguments for the GCODE will
+   * change to be more compatible, the current proposal is:
+   *
+   *  M260 A<slave device address base 10> ; Sets the I2C slave address the data will be sent to
+   *
+   *  M260 B<byte-1 value in base 10>
+   *  M260 B<byte-2 value in base 10>
+   *  M260 B<byte-3 value in base 10>
+   *
+   *  M260 S1 ; Send the buffered data and reset the buffer
+   *  M260 R1 ; Reset the buffer without sending data
+   *
+   */
+  inline void gcode_M260() {
+    // Set the target address
+    if (code_seen('A')) i2c.address(code_value_byte());
+
+    // Add a new byte to the buffer
+    if (code_seen('B')) i2c.addbyte(code_value_byte());
+
+    // Flush the buffer to the bus
+    if (code_seen('S')) i2c.send();
+
+    // Reset and rewind the buffer
+    else if (code_seen('R')) i2c.reset();
+  }
+
+  /**
+   * M261: Request X bytes from I2C slave device
+   *
+   * Usage: M261 A<slave device address base 10> B<number of bytes>
+   */
+  inline void gcode_M261() {
+    if (code_seen('A')) i2c.address(code_value_byte());
+
+    uint8_t bytes = code_seen('B') ? code_value_byte() : 1;
+
+    if (i2c.addr && bytes && bytes <= TWIBUS_BUFFER_SIZE) {
+      i2c.relay(bytes);
+    }
+    else {
+      SERIAL_ERROR_START;
+      SERIAL_ERRORLN("Bad i2c request");
+    }
+  }
+
+#endif // EXPERIMENTAL_I2CBUS
+
 #if HAS_SERVOS
 
   /**
@@ -7099,33 +7200,30 @@ inline void gcode_M907() {
 #endif // HAS_MICROSTEPS
 
 #if HAS_CASE_LIGHT
+
   /**
-   * M355: Turn case lights on/off
-   *
-   *   S<int>   change state on/off or sets PWM
+   * M355: Turn case lights on/off and set brightness
    *
+   *   S<bool>  Turn case light on or off
+   *   P<byte>  Set case light brightness (PWM pin required)
    */
   inline void gcode_M355() {
+    static bool case_light_on
+      #if ENABLED(CASE_LIGHT_DEFAULT_ON)
+        = true
+      #else
+    ;
+    #endif
+    static uint8_t case_light_brightness = 255;
+    if (code_seen('P')) case_light_brightness = code_value_byte();
     if (code_seen('S')) {
-      SERIAL_ECHO_START;
-      SERIAL_ECHOPGM("Case lights ");
-      byte light_pwm = code_value_byte();
-      switch (light_pwm) {
-        case 0: // Disable lights
-          SERIAL_ECHOPGM("off");
-          break;
-        case 1: // Enable lights
-          light_pwm = 255;
-          SERIAL_ECHOPGM("on");
-          break;
-        default: // Enable lights PWM
-          SERIAL_ECHOPAIR("set to: ", (int)map(light_pwm, 0, 255, 0, 100));
-          SERIAL_CHAR('%');
-          break;
-      }
-      analogWrite(CASE_LIGHT_PIN, light_pwm);
-      SERIAL_EOL;
+      case_light_on = code_value_bool();
+      digitalWrite(CASE_LIGHT_PIN, case_light_on ? HIGH : LOW);
+      analogWrite(CASE_LIGHT_PIN, case_light_on ? case_light_brightness : 0);
     }
+    SERIAL_ECHO_START;
+    SERIAL_ECHOPGM("Case lights ");
+    case_light_on ? SERIAL_ECHOLNPGM("on") : SERIAL_ECHOLNPGM("off");
   }
 
 #endif // HAS_CASE_LIGHT
@@ -7846,6 +7944,12 @@ void process_next_command() {
         KEEPALIVE_STATE(NOT_BUSY);
         return; // "ok" already printed
 
+      #if ENABLED(AUTO_REPORT_TEMPERATURES) && (HAS_TEMP_HOTEND || HAS_TEMP_BED)
+        case 155: // M155: Set temperature auto-report interval
+          gcode_M155();
+          break;
+      #endif
+
       case 109: // M109: Wait for hotend temperature to reach target
         gcode_M109();
         break;
@@ -7956,18 +8060,6 @@ void process_next_command() {
 
       #endif // BLINKM
 
-      #if ENABLED(EXPERIMENTAL_I2CBUS)
-
-        case 155: // M155: Send data to an i2c slave
-          gcode_M155();
-          break;
-
-        case 156: // M156: Request data from an i2c slave
-          gcode_M156();
-          break;
-
-      #endif //EXPERIMENTAL_I2CBUS
-
       #if ENABLED(MIXING_EXTRUDER)
         case 163: // M163: Set a component weight for mixing extruder
           gcode_M163();
@@ -8090,6 +8182,18 @@ void process_next_command() {
           break;
       #endif // HAS_LCD_CONTRAST
 
+      #if ENABLED(EXPERIMENTAL_I2CBUS)
+
+        case 260: // M260: Send data to an i2c slave
+          gcode_M260();
+          break;
+
+        case 261: // M261: Request data from an i2c slave
+          gcode_M261();
+          break;
+
+      #endif // EXPERIMENTAL_I2CBUS
+
       #if ENABLED(PREVENT_COLD_EXTRUSION)
         case 302: // M302: Allow cold extrudes (set the minimum extrude temperature)
           gcode_M302();
@@ -9669,7 +9773,13 @@ void idle(
   #endif
 ) {
   lcd_update();
+
   host_keepalive();
+
+  #if ENABLED(AUTO_REPORT_TEMPERATURES) && (HAS_TEMP_HOTEND || HAS_TEMP_BED)
+    auto_report_temperatures();
+  #endif
+
   manage_inactivity(
     #if ENABLED(FILAMENT_CHANGE_FEATURE)
       no_stepper_sleep
diff --git a/Marlin/example_configurations/Cartesio/Configuration_adv.h b/Marlin/example_configurations/Cartesio/Configuration_adv.h
index 6b12048bb7..886cdd38ff 100644
--- a/Marlin/example_configurations/Cartesio/Configuration_adv.h
+++ b/Marlin/example_configurations/Cartesio/Configuration_adv.h
@@ -808,22 +808,22 @@
  *
  * ; Example #1
  * ; This macro send the string "Marlin" to the slave device with address 0x63 (99)
- * ; It uses multiple M155 commands with one B<base 10> arg
- * M155 A99  ; Target slave address
- * M155 B77  ; M
- * M155 B97  ; a
- * M155 B114 ; r
- * M155 B108 ; l
- * M155 B105 ; i
- * M155 B110 ; n
- * M155 S1   ; Send the current buffer
+ * ; It uses multiple M260 commands with one B<base 10> arg
+ * M260 A99  ; Target slave address
+ * M260 B77  ; M
+ * M260 B97  ; a
+ * M260 B114 ; r
+ * M260 B108 ; l
+ * M260 B105 ; i
+ * M260 B110 ; n
+ * M260 S1   ; Send the current buffer
  *
  * ; Example #2
  * ; Request 6 bytes from slave device with address 0x63 (99)
- * M156 A99 B5
+ * M261 A99 B5
  *
  * ; Example #3
- * ; Example serial output of a M156 request
+ * ; Example serial output of a M261 request
  * echo:i2c-reply: from:99 bytes:5 data:hello
  */
 
@@ -837,4 +837,14 @@
  */
 //#define PINS_DEBUGGING
 
+/**
+ * Auto-report temperatures with M155 S<seconds>
+ */
+//#define AUTO_REPORT_TEMPERATURES
+
+/**
+ * Include capabilities in M115 output
+ */
+//#define EXTENDED_CAPABILITIES_REPORT
+
 #endif // CONFIGURATION_ADV_H
diff --git a/Marlin/example_configurations/Felix/Configuration_adv.h b/Marlin/example_configurations/Felix/Configuration_adv.h
index 51f0736aed..70d4d434ea 100644
--- a/Marlin/example_configurations/Felix/Configuration_adv.h
+++ b/Marlin/example_configurations/Felix/Configuration_adv.h
@@ -808,22 +808,22 @@
  *
  * ; Example #1
  * ; This macro send the string "Marlin" to the slave device with address 0x63 (99)
- * ; It uses multiple M155 commands with one B<base 10> arg
- * M155 A99  ; Target slave address
- * M155 B77  ; M
- * M155 B97  ; a
- * M155 B114 ; r
- * M155 B108 ; l
- * M155 B105 ; i
- * M155 B110 ; n
- * M155 S1   ; Send the current buffer
+ * ; It uses multiple M260 commands with one B<base 10> arg
+ * M260 A99  ; Target slave address
+ * M260 B77  ; M
+ * M260 B97  ; a
+ * M260 B114 ; r
+ * M260 B108 ; l
+ * M260 B105 ; i
+ * M260 B110 ; n
+ * M260 S1   ; Send the current buffer
  *
  * ; Example #2
  * ; Request 6 bytes from slave device with address 0x63 (99)
- * M156 A99 B5
+ * M261 A99 B5
  *
  * ; Example #3
- * ; Example serial output of a M156 request
+ * ; Example serial output of a M261 request
  * echo:i2c-reply: from:99 bytes:5 data:hello
  */
 
@@ -837,4 +837,14 @@
  */
 //#define PINS_DEBUGGING
 
+/**
+ * Auto-report temperatures with M155 S<seconds>
+ */
+//#define AUTO_REPORT_TEMPERATURES
+
+/**
+ * Include capabilities in M115 output
+ */
+//#define EXTENDED_CAPABILITIES_REPORT
+
 #endif // CONFIGURATION_ADV_H
diff --git a/Marlin/example_configurations/Hephestos/Configuration_adv.h b/Marlin/example_configurations/Hephestos/Configuration_adv.h
index dda0b99dcd..a749bcde05 100644
--- a/Marlin/example_configurations/Hephestos/Configuration_adv.h
+++ b/Marlin/example_configurations/Hephestos/Configuration_adv.h
@@ -808,22 +808,22 @@
  *
  * ; Example #1
  * ; This macro send the string "Marlin" to the slave device with address 0x63 (99)
- * ; It uses multiple M155 commands with one B<base 10> arg
- * M155 A99  ; Target slave address
- * M155 B77  ; M
- * M155 B97  ; a
- * M155 B114 ; r
- * M155 B108 ; l
- * M155 B105 ; i
- * M155 B110 ; n
- * M155 S1   ; Send the current buffer
+ * ; It uses multiple M260 commands with one B<base 10> arg
+ * M260 A99  ; Target slave address
+ * M260 B77  ; M
+ * M260 B97  ; a
+ * M260 B114 ; r
+ * M260 B108 ; l
+ * M260 B105 ; i
+ * M260 B110 ; n
+ * M260 S1   ; Send the current buffer
  *
  * ; Example #2
  * ; Request 6 bytes from slave device with address 0x63 (99)
- * M156 A99 B5
+ * M261 A99 B5
  *
  * ; Example #3
- * ; Example serial output of a M156 request
+ * ; Example serial output of a M261 request
  * echo:i2c-reply: from:99 bytes:5 data:hello
  */
 
@@ -837,4 +837,14 @@
  */
 //#define PINS_DEBUGGING
 
+/**
+ * Auto-report temperatures with M155 S<seconds>
+ */
+//#define AUTO_REPORT_TEMPERATURES
+
+/**
+ * Include capabilities in M115 output
+ */
+//#define EXTENDED_CAPABILITIES_REPORT
+
 #endif // CONFIGURATION_ADV_H
diff --git a/Marlin/example_configurations/Hephestos_2/Configuration_adv.h b/Marlin/example_configurations/Hephestos_2/Configuration_adv.h
index 67cbab039d..cddfc6edeb 100644
--- a/Marlin/example_configurations/Hephestos_2/Configuration_adv.h
+++ b/Marlin/example_configurations/Hephestos_2/Configuration_adv.h
@@ -808,22 +808,22 @@
  *
  * ; Example #1
  * ; This macro send the string "Marlin" to the slave device with address 0x63 (99)
- * ; It uses multiple M155 commands with one B<base 10> arg
- * M155 A99  ; Target slave address
- * M155 B77  ; M
- * M155 B97  ; a
- * M155 B114 ; r
- * M155 B108 ; l
- * M155 B105 ; i
- * M155 B110 ; n
- * M155 S1   ; Send the current buffer
+ * ; It uses multiple M260 commands with one B<base 10> arg
+ * M260 A99  ; Target slave address
+ * M260 B77  ; M
+ * M260 B97  ; a
+ * M260 B114 ; r
+ * M260 B108 ; l
+ * M260 B105 ; i
+ * M260 B110 ; n
+ * M260 S1   ; Send the current buffer
  *
  * ; Example #2
  * ; Request 6 bytes from slave device with address 0x63 (99)
- * M156 A99 B5
+ * M261 A99 B5
  *
  * ; Example #3
- * ; Example serial output of a M156 request
+ * ; Example serial output of a M261 request
  * echo:i2c-reply: from:99 bytes:5 data:hello
  */
 
@@ -837,4 +837,14 @@
  */
 //#define PINS_DEBUGGING
 
+/**
+ * Auto-report temperatures with M155 S<seconds>
+ */
+//#define AUTO_REPORT_TEMPERATURES
+
+/**
+ * Include capabilities in M115 output
+ */
+//#define EXTENDED_CAPABILITIES_REPORT
+
 #endif // CONFIGURATION_ADV_H
diff --git a/Marlin/example_configurations/K8200/Configuration_adv.h b/Marlin/example_configurations/K8200/Configuration_adv.h
index b2742b50bf..aa1ddf4584 100644
--- a/Marlin/example_configurations/K8200/Configuration_adv.h
+++ b/Marlin/example_configurations/K8200/Configuration_adv.h
@@ -814,22 +814,22 @@
  *
  * ; Example #1
  * ; This macro send the string "Marlin" to the slave device with address 0x63 (99)
- * ; It uses multiple M155 commands with one B<base 10> arg
- * M155 A99  ; Target slave address
- * M155 B77  ; M
- * M155 B97  ; a
- * M155 B114 ; r
- * M155 B108 ; l
- * M155 B105 ; i
- * M155 B110 ; n
- * M155 S1   ; Send the current buffer
+ * ; It uses multiple M260 commands with one B<base 10> arg
+ * M260 A99  ; Target slave address
+ * M260 B77  ; M
+ * M260 B97  ; a
+ * M260 B114 ; r
+ * M260 B108 ; l
+ * M260 B105 ; i
+ * M260 B110 ; n
+ * M260 S1   ; Send the current buffer
  *
  * ; Example #2
  * ; Request 6 bytes from slave device with address 0x63 (99)
- * M156 A99 B5
+ * M261 A99 B5
  *
  * ; Example #3
- * ; Example serial output of a M156 request
+ * ; Example serial output of a M261 request
  * echo:i2c-reply: from:99 bytes:5 data:hello
  */
 
@@ -843,4 +843,14 @@
  */
 //#define PINS_DEBUGGING
 
+/**
+ * Auto-report temperatures with M155 S<seconds>
+ */
+//#define AUTO_REPORT_TEMPERATURES
+
+/**
+ * Include capabilities in M115 output
+ */
+//#define EXTENDED_CAPABILITIES_REPORT
+
 #endif // CONFIGURATION_ADV_H
diff --git a/Marlin/example_configurations/K8400/Configuration_adv.h b/Marlin/example_configurations/K8400/Configuration_adv.h
index 39bba6ef8c..d785efb7ac 100644
--- a/Marlin/example_configurations/K8400/Configuration_adv.h
+++ b/Marlin/example_configurations/K8400/Configuration_adv.h
@@ -808,22 +808,22 @@
  *
  * ; Example #1
  * ; This macro send the string "Marlin" to the slave device with address 0x63 (99)
- * ; It uses multiple M155 commands with one B<base 10> arg
- * M155 A99  ; Target slave address
- * M155 B77  ; M
- * M155 B97  ; a
- * M155 B114 ; r
- * M155 B108 ; l
- * M155 B105 ; i
- * M155 B110 ; n
- * M155 S1   ; Send the current buffer
+ * ; It uses multiple M260 commands with one B<base 10> arg
+ * M260 A99  ; Target slave address
+ * M260 B77  ; M
+ * M260 B97  ; a
+ * M260 B114 ; r
+ * M260 B108 ; l
+ * M260 B105 ; i
+ * M260 B110 ; n
+ * M260 S1   ; Send the current buffer
  *
  * ; Example #2
  * ; Request 6 bytes from slave device with address 0x63 (99)
- * M156 A99 B5
+ * M261 A99 B5
  *
  * ; Example #3
- * ; Example serial output of a M156 request
+ * ; Example serial output of a M261 request
  * echo:i2c-reply: from:99 bytes:5 data:hello
  */
 
@@ -837,4 +837,14 @@
  */
 //#define PINS_DEBUGGING
 
+/**
+ * Auto-report temperatures with M155 S<seconds>
+ */
+//#define AUTO_REPORT_TEMPERATURES
+
+/**
+ * Include capabilities in M115 output
+ */
+//#define EXTENDED_CAPABILITIES_REPORT
+
 #endif // CONFIGURATION_ADV_H
diff --git a/Marlin/example_configurations/RigidBot/Configuration_adv.h b/Marlin/example_configurations/RigidBot/Configuration_adv.h
index 80cb06442a..6a2e56f3ae 100644
--- a/Marlin/example_configurations/RigidBot/Configuration_adv.h
+++ b/Marlin/example_configurations/RigidBot/Configuration_adv.h
@@ -808,22 +808,22 @@
  *
  * ; Example #1
  * ; This macro send the string "Marlin" to the slave device with address 0x63 (99)
- * ; It uses multiple M155 commands with one B<base 10> arg
- * M155 A99  ; Target slave address
- * M155 B77  ; M
- * M155 B97  ; a
- * M155 B114 ; r
- * M155 B108 ; l
- * M155 B105 ; i
- * M155 B110 ; n
- * M155 S1   ; Send the current buffer
+ * ; It uses multiple M260 commands with one B<base 10> arg
+ * M260 A99  ; Target slave address
+ * M260 B77  ; M
+ * M260 B97  ; a
+ * M260 B114 ; r
+ * M260 B108 ; l
+ * M260 B105 ; i
+ * M260 B110 ; n
+ * M260 S1   ; Send the current buffer
  *
  * ; Example #2
  * ; Request 6 bytes from slave device with address 0x63 (99)
- * M156 A99 B5
+ * M261 A99 B5
  *
  * ; Example #3
- * ; Example serial output of a M156 request
+ * ; Example serial output of a M261 request
  * echo:i2c-reply: from:99 bytes:5 data:hello
  */
 
@@ -837,4 +837,14 @@
  */
 //#define PINS_DEBUGGING
 
+/**
+ * Auto-report temperatures with M155 S<seconds>
+ */
+//#define AUTO_REPORT_TEMPERATURES
+
+/**
+ * Include capabilities in M115 output
+ */
+//#define EXTENDED_CAPABILITIES_REPORT
+
 #endif // CONFIGURATION_ADV_H
diff --git a/Marlin/example_configurations/SCARA/Configuration_adv.h b/Marlin/example_configurations/SCARA/Configuration_adv.h
index 5309c0d8f5..3aac74fe18 100644
--- a/Marlin/example_configurations/SCARA/Configuration_adv.h
+++ b/Marlin/example_configurations/SCARA/Configuration_adv.h
@@ -808,22 +808,22 @@
  *
  * ; Example #1
  * ; This macro send the string "Marlin" to the slave device with address 0x63 (99)
- * ; It uses multiple M155 commands with one B<base 10> arg
- * M155 A99  ; Target slave address
- * M155 B77  ; M
- * M155 B97  ; a
- * M155 B114 ; r
- * M155 B108 ; l
- * M155 B105 ; i
- * M155 B110 ; n
- * M155 S1   ; Send the current buffer
+ * ; It uses multiple M260 commands with one B<base 10> arg
+ * M260 A99  ; Target slave address
+ * M260 B77  ; M
+ * M260 B97  ; a
+ * M260 B114 ; r
+ * M260 B108 ; l
+ * M260 B105 ; i
+ * M260 B110 ; n
+ * M260 S1   ; Send the current buffer
  *
  * ; Example #2
  * ; Request 6 bytes from slave device with address 0x63 (99)
- * M156 A99 B5
+ * M261 A99 B5
  *
  * ; Example #3
- * ; Example serial output of a M156 request
+ * ; Example serial output of a M261 request
  * echo:i2c-reply: from:99 bytes:5 data:hello
  */
 
@@ -837,4 +837,14 @@
  */
 //#define PINS_DEBUGGING
 
+/**
+ * Auto-report temperatures with M155 S<seconds>
+ */
+//#define AUTO_REPORT_TEMPERATURES
+
+/**
+ * Include capabilities in M115 output
+ */
+//#define EXTENDED_CAPABILITIES_REPORT
+
 #endif // CONFIGURATION_ADV_H
diff --git a/Marlin/example_configurations/TAZ4/Configuration_adv.h b/Marlin/example_configurations/TAZ4/Configuration_adv.h
index 63c8e26ee6..176c73edf3 100644
--- a/Marlin/example_configurations/TAZ4/Configuration_adv.h
+++ b/Marlin/example_configurations/TAZ4/Configuration_adv.h
@@ -816,22 +816,22 @@
  *
  * ; Example #1
  * ; This macro send the string "Marlin" to the slave device with address 0x63 (99)
- * ; It uses multiple M155 commands with one B<base 10> arg
- * M155 A99  ; Target slave address
- * M155 B77  ; M
- * M155 B97  ; a
- * M155 B114 ; r
- * M155 B108 ; l
- * M155 B105 ; i
- * M155 B110 ; n
- * M155 S1   ; Send the current buffer
+ * ; It uses multiple M260 commands with one B<base 10> arg
+ * M260 A99  ; Target slave address
+ * M260 B77  ; M
+ * M260 B97  ; a
+ * M260 B114 ; r
+ * M260 B108 ; l
+ * M260 B105 ; i
+ * M260 B110 ; n
+ * M260 S1   ; Send the current buffer
  *
  * ; Example #2
  * ; Request 6 bytes from slave device with address 0x63 (99)
- * M156 A99 B5
+ * M261 A99 B5
  *
  * ; Example #3
- * ; Example serial output of a M156 request
+ * ; Example serial output of a M261 request
  * echo:i2c-reply: from:99 bytes:5 data:hello
  */
 
@@ -845,4 +845,14 @@
  */
 //#define PINS_DEBUGGING
 
+/**
+ * Auto-report temperatures with M155 S<seconds>
+ */
+//#define AUTO_REPORT_TEMPERATURES
+
+/**
+ * Include capabilities in M115 output
+ */
+//#define EXTENDED_CAPABILITIES_REPORT
+
 #endif // CONFIGURATION_ADV_H
diff --git a/Marlin/example_configurations/WITBOX/Configuration_adv.h b/Marlin/example_configurations/WITBOX/Configuration_adv.h
index dda0b99dcd..a749bcde05 100644
--- a/Marlin/example_configurations/WITBOX/Configuration_adv.h
+++ b/Marlin/example_configurations/WITBOX/Configuration_adv.h
@@ -808,22 +808,22 @@
  *
  * ; Example #1
  * ; This macro send the string "Marlin" to the slave device with address 0x63 (99)
- * ; It uses multiple M155 commands with one B<base 10> arg
- * M155 A99  ; Target slave address
- * M155 B77  ; M
- * M155 B97  ; a
- * M155 B114 ; r
- * M155 B108 ; l
- * M155 B105 ; i
- * M155 B110 ; n
- * M155 S1   ; Send the current buffer
+ * ; It uses multiple M260 commands with one B<base 10> arg
+ * M260 A99  ; Target slave address
+ * M260 B77  ; M
+ * M260 B97  ; a
+ * M260 B114 ; r
+ * M260 B108 ; l
+ * M260 B105 ; i
+ * M260 B110 ; n
+ * M260 S1   ; Send the current buffer
  *
  * ; Example #2
  * ; Request 6 bytes from slave device with address 0x63 (99)
- * M156 A99 B5
+ * M261 A99 B5
  *
  * ; Example #3
- * ; Example serial output of a M156 request
+ * ; Example serial output of a M261 request
  * echo:i2c-reply: from:99 bytes:5 data:hello
  */
 
@@ -837,4 +837,14 @@
  */
 //#define PINS_DEBUGGING
 
+/**
+ * Auto-report temperatures with M155 S<seconds>
+ */
+//#define AUTO_REPORT_TEMPERATURES
+
+/**
+ * Include capabilities in M115 output
+ */
+//#define EXTENDED_CAPABILITIES_REPORT
+
 #endif // CONFIGURATION_ADV_H
diff --git a/Marlin/example_configurations/delta/biv2.5/Configuration_adv.h b/Marlin/example_configurations/delta/biv2.5/Configuration_adv.h
index 6eb99f1160..f0370b5d7d 100644
--- a/Marlin/example_configurations/delta/biv2.5/Configuration_adv.h
+++ b/Marlin/example_configurations/delta/biv2.5/Configuration_adv.h
@@ -810,22 +810,22 @@
  *
  * ; Example #1
  * ; This macro send the string "Marlin" to the slave device with address 0x63 (99)
- * ; It uses multiple M155 commands with one B<base 10> arg
- * M155 A99  ; Target slave address
- * M155 B77  ; M
- * M155 B97  ; a
- * M155 B114 ; r
- * M155 B108 ; l
- * M155 B105 ; i
- * M155 B110 ; n
- * M155 S1   ; Send the current buffer
+ * ; It uses multiple M260 commands with one B<base 10> arg
+ * M260 A99  ; Target slave address
+ * M260 B77  ; M
+ * M260 B97  ; a
+ * M260 B114 ; r
+ * M260 B108 ; l
+ * M260 B105 ; i
+ * M260 B110 ; n
+ * M260 S1   ; Send the current buffer
  *
  * ; Example #2
  * ; Request 6 bytes from slave device with address 0x63 (99)
- * M156 A99 B5
+ * M261 A99 B5
  *
  * ; Example #3
- * ; Example serial output of a M156 request
+ * ; Example serial output of a M261 request
  * echo:i2c-reply: from:99 bytes:5 data:hello
  */
 
@@ -839,4 +839,14 @@
  */
 //#define PINS_DEBUGGING
 
+/**
+ * Auto-report temperatures with M155 S<seconds>
+ */
+//#define AUTO_REPORT_TEMPERATURES
+
+/**
+ * Include capabilities in M115 output
+ */
+//#define EXTENDED_CAPABILITIES_REPORT
+
 #endif // CONFIGURATION_ADV_H
diff --git a/Marlin/example_configurations/delta/generic/Configuration_adv.h b/Marlin/example_configurations/delta/generic/Configuration_adv.h
index a3ef0aff05..d897d4662d 100644
--- a/Marlin/example_configurations/delta/generic/Configuration_adv.h
+++ b/Marlin/example_configurations/delta/generic/Configuration_adv.h
@@ -810,22 +810,22 @@
  *
  * ; Example #1
  * ; This macro send the string "Marlin" to the slave device with address 0x63 (99)
- * ; It uses multiple M155 commands with one B<base 10> arg
- * M155 A99  ; Target slave address
- * M155 B77  ; M
- * M155 B97  ; a
- * M155 B114 ; r
- * M155 B108 ; l
- * M155 B105 ; i
- * M155 B110 ; n
- * M155 S1   ; Send the current buffer
+ * ; It uses multiple M260 commands with one B<base 10> arg
+ * M260 A99  ; Target slave address
+ * M260 B77  ; M
+ * M260 B97  ; a
+ * M260 B114 ; r
+ * M260 B108 ; l
+ * M260 B105 ; i
+ * M260 B110 ; n
+ * M260 S1   ; Send the current buffer
  *
  * ; Example #2
  * ; Request 6 bytes from slave device with address 0x63 (99)
- * M156 A99 B5
+ * M261 A99 B5
  *
  * ; Example #3
- * ; Example serial output of a M156 request
+ * ; Example serial output of a M261 request
  * echo:i2c-reply: from:99 bytes:5 data:hello
  */
 
@@ -839,4 +839,14 @@
  */
 //#define PINS_DEBUGGING
 
+/**
+ * Auto-report temperatures with M155 S<seconds>
+ */
+//#define AUTO_REPORT_TEMPERATURES
+
+/**
+ * Include capabilities in M115 output
+ */
+//#define EXTENDED_CAPABILITIES_REPORT
+
 #endif // CONFIGURATION_ADV_H
diff --git a/Marlin/example_configurations/delta/kossel_mini/Configuration_adv.h b/Marlin/example_configurations/delta/kossel_mini/Configuration_adv.h
index a3ef0aff05..d897d4662d 100644
--- a/Marlin/example_configurations/delta/kossel_mini/Configuration_adv.h
+++ b/Marlin/example_configurations/delta/kossel_mini/Configuration_adv.h
@@ -810,22 +810,22 @@
  *
  * ; Example #1
  * ; This macro send the string "Marlin" to the slave device with address 0x63 (99)
- * ; It uses multiple M155 commands with one B<base 10> arg
- * M155 A99  ; Target slave address
- * M155 B77  ; M
- * M155 B97  ; a
- * M155 B114 ; r
- * M155 B108 ; l
- * M155 B105 ; i
- * M155 B110 ; n
- * M155 S1   ; Send the current buffer
+ * ; It uses multiple M260 commands with one B<base 10> arg
+ * M260 A99  ; Target slave address
+ * M260 B77  ; M
+ * M260 B97  ; a
+ * M260 B114 ; r
+ * M260 B108 ; l
+ * M260 B105 ; i
+ * M260 B110 ; n
+ * M260 S1   ; Send the current buffer
  *
  * ; Example #2
  * ; Request 6 bytes from slave device with address 0x63 (99)
- * M156 A99 B5
+ * M261 A99 B5
  *
  * ; Example #3
- * ; Example serial output of a M156 request
+ * ; Example serial output of a M261 request
  * echo:i2c-reply: from:99 bytes:5 data:hello
  */
 
@@ -839,4 +839,14 @@
  */
 //#define PINS_DEBUGGING
 
+/**
+ * Auto-report temperatures with M155 S<seconds>
+ */
+//#define AUTO_REPORT_TEMPERATURES
+
+/**
+ * Include capabilities in M115 output
+ */
+//#define EXTENDED_CAPABILITIES_REPORT
+
 #endif // CONFIGURATION_ADV_H
diff --git a/Marlin/example_configurations/delta/kossel_pro/Configuration_adv.h b/Marlin/example_configurations/delta/kossel_pro/Configuration_adv.h
index 86da659166..8805a3b4ca 100644
--- a/Marlin/example_configurations/delta/kossel_pro/Configuration_adv.h
+++ b/Marlin/example_configurations/delta/kossel_pro/Configuration_adv.h
@@ -815,22 +815,22 @@
  *
  * ; Example #1
  * ; This macro send the string "Marlin" to the slave device with address 0x63 (99)
- * ; It uses multiple M155 commands with one B<base 10> arg
- * M155 A99  ; Target slave address
- * M155 B77  ; M
- * M155 B97  ; a
- * M155 B114 ; r
- * M155 B108 ; l
- * M155 B105 ; i
- * M155 B110 ; n
- * M155 S1   ; Send the current buffer
+ * ; It uses multiple M260 commands with one B<base 10> arg
+ * M260 A99  ; Target slave address
+ * M260 B77  ; M
+ * M260 B97  ; a
+ * M260 B114 ; r
+ * M260 B108 ; l
+ * M260 B105 ; i
+ * M260 B110 ; n
+ * M260 S1   ; Send the current buffer
  *
  * ; Example #2
  * ; Request 6 bytes from slave device with address 0x63 (99)
- * M156 A99 B5
+ * M261 A99 B5
  *
  * ; Example #3
- * ; Example serial output of a M156 request
+ * ; Example serial output of a M261 request
  * echo:i2c-reply: from:99 bytes:5 data:hello
  */
 
@@ -844,4 +844,14 @@
  */
 //#define PINS_DEBUGGING
 
+/**
+ * Auto-report temperatures with M155 S<seconds>
+ */
+//#define AUTO_REPORT_TEMPERATURES
+
+/**
+ * Include capabilities in M115 output
+ */
+//#define EXTENDED_CAPABILITIES_REPORT
+
 #endif // CONFIGURATION_ADV_H
diff --git a/Marlin/example_configurations/delta/kossel_xl/Configuration_adv.h b/Marlin/example_configurations/delta/kossel_xl/Configuration_adv.h
index 7694e1eae8..ea41189778 100644
--- a/Marlin/example_configurations/delta/kossel_xl/Configuration_adv.h
+++ b/Marlin/example_configurations/delta/kossel_xl/Configuration_adv.h
@@ -810,22 +810,22 @@
  *
  * ; Example #1
  * ; This macro send the string "Marlin" to the slave device with address 0x63 (99)
- * ; It uses multiple M155 commands with one B<base 10> arg
- * M155 A99  ; Target slave address
- * M155 B77  ; M
- * M155 B97  ; a
- * M155 B114 ; r
- * M155 B108 ; l
- * M155 B105 ; i
- * M155 B110 ; n
- * M155 S1   ; Send the current buffer
+ * ; It uses multiple M260 commands with one B<base 10> arg
+ * M260 A99  ; Target slave address
+ * M260 B77  ; M
+ * M260 B97  ; a
+ * M260 B114 ; r
+ * M260 B108 ; l
+ * M260 B105 ; i
+ * M260 B110 ; n
+ * M260 S1   ; Send the current buffer
  *
  * ; Example #2
  * ; Request 6 bytes from slave device with address 0x63 (99)
- * M156 A99 B5
+ * M261 A99 B5
  *
  * ; Example #3
- * ; Example serial output of a M156 request
+ * ; Example serial output of a M261 request
  * echo:i2c-reply: from:99 bytes:5 data:hello
  */
 
@@ -839,4 +839,14 @@
  */
 //#define PINS_DEBUGGING
 
+/**
+ * Auto-report temperatures with M155 S<seconds>
+ */
+//#define AUTO_REPORT_TEMPERATURES
+
+/**
+ * Include capabilities in M115 output
+ */
+//#define EXTENDED_CAPABILITIES_REPORT
+
 #endif // CONFIGURATION_ADV_H
diff --git a/Marlin/example_configurations/makibox/Configuration_adv.h b/Marlin/example_configurations/makibox/Configuration_adv.h
index d1b096de12..9a5213329e 100644
--- a/Marlin/example_configurations/makibox/Configuration_adv.h
+++ b/Marlin/example_configurations/makibox/Configuration_adv.h
@@ -808,22 +808,22 @@
  *
  * ; Example #1
  * ; This macro send the string "Marlin" to the slave device with address 0x63 (99)
- * ; It uses multiple M155 commands with one B<base 10> arg
- * M155 A99  ; Target slave address
- * M155 B77  ; M
- * M155 B97  ; a
- * M155 B114 ; r
- * M155 B108 ; l
- * M155 B105 ; i
- * M155 B110 ; n
- * M155 S1   ; Send the current buffer
+ * ; It uses multiple M260 commands with one B<base 10> arg
+ * M260 A99  ; Target slave address
+ * M260 B77  ; M
+ * M260 B97  ; a
+ * M260 B114 ; r
+ * M260 B108 ; l
+ * M260 B105 ; i
+ * M260 B110 ; n
+ * M260 S1   ; Send the current buffer
  *
  * ; Example #2
  * ; Request 6 bytes from slave device with address 0x63 (99)
- * M156 A99 B5
+ * M261 A99 B5
  *
  * ; Example #3
- * ; Example serial output of a M156 request
+ * ; Example serial output of a M261 request
  * echo:i2c-reply: from:99 bytes:5 data:hello
  */
 
@@ -837,4 +837,14 @@
  */
 //#define PINS_DEBUGGING
 
+/**
+ * Auto-report temperatures with M155 S<seconds>
+ */
+//#define AUTO_REPORT_TEMPERATURES
+
+/**
+ * Include capabilities in M115 output
+ */
+//#define EXTENDED_CAPABILITIES_REPORT
+
 #endif // CONFIGURATION_ADV_H
diff --git a/Marlin/example_configurations/tvrrug/Round2/Configuration_adv.h b/Marlin/example_configurations/tvrrug/Round2/Configuration_adv.h
index b8a2536419..0d1575c084 100644
--- a/Marlin/example_configurations/tvrrug/Round2/Configuration_adv.h
+++ b/Marlin/example_configurations/tvrrug/Round2/Configuration_adv.h
@@ -808,22 +808,22 @@
  *
  * ; Example #1
  * ; This macro send the string "Marlin" to the slave device with address 0x63 (99)
- * ; It uses multiple M155 commands with one B<base 10> arg
- * M155 A99  ; Target slave address
- * M155 B77  ; M
- * M155 B97  ; a
- * M155 B114 ; r
- * M155 B108 ; l
- * M155 B105 ; i
- * M155 B110 ; n
- * M155 S1   ; Send the current buffer
+ * ; It uses multiple M260 commands with one B<base 10> arg
+ * M260 A99  ; Target slave address
+ * M260 B77  ; M
+ * M260 B97  ; a
+ * M260 B114 ; r
+ * M260 B108 ; l
+ * M260 B105 ; i
+ * M260 B110 ; n
+ * M260 S1   ; Send the current buffer
  *
  * ; Example #2
  * ; Request 6 bytes from slave device with address 0x63 (99)
- * M156 A99 B5
+ * M261 A99 B5
  *
  * ; Example #3
- * ; Example serial output of a M156 request
+ * ; Example serial output of a M261 request
  * echo:i2c-reply: from:99 bytes:5 data:hello
  */
 
@@ -837,4 +837,14 @@
  */
 //#define PINS_DEBUGGING
 
+/**
+ * Auto-report temperatures with M155 S<seconds>
+ */
+//#define AUTO_REPORT_TEMPERATURES
+
+/**
+ * Include capabilities in M115 output
+ */
+//#define EXTENDED_CAPABILITIES_REPORT
+
 #endif // CONFIGURATION_ADV_H
diff --git a/Marlin/language.h b/Marlin/language.h
index 87a0d08c31..4254f44938 100644
--- a/Marlin/language.h
+++ b/Marlin/language.h
@@ -129,7 +129,7 @@
 #define MSG_INVALID_EXTRUDER                "Invalid extruder"
 #define MSG_INVALID_SOLENOID                "Invalid solenoid"
 #define MSG_ERR_NO_THERMISTORS              "No thermistors - no temperature"
-#define MSG_M115_REPORT                     "FIRMWARE_NAME:Marlin " DETAILED_BUILD_VERSION " SOURCE_CODE_URL:" SOURCE_CODE_URL " PROTOCOL_VERSION:" PROTOCOL_VERSION " MACHINE_TYPE:" MACHINE_NAME " EXTRUDER_COUNT:" STRINGIFY(EXTRUDERS) " UUID:" MACHINE_UUID EMERGENCY_PARSER_CAPABILITIES "\n"
+#define MSG_M115_REPORT                     "FIRMWARE_NAME:Marlin " DETAILED_BUILD_VERSION " SOURCE_CODE_URL:" SOURCE_CODE_URL " PROTOCOL_VERSION:" PROTOCOL_VERSION " MACHINE_TYPE:" MACHINE_NAME " EXTRUDER_COUNT:" STRINGIFY(EXTRUDERS) " UUID:" MACHINE_UUID
 #define MSG_COUNT_X                         " Count X: "
 #define MSG_COUNT_A                         " Count A: "
 #define MSG_ERR_KILLED                      "Printer halted. kill() called!"
diff --git a/Marlin/twibus.cpp b/Marlin/twibus.cpp
index 0352e1b9c8..c5abdb2a9a 100644
--- a/Marlin/twibus.cpp
+++ b/Marlin/twibus.cpp
@@ -77,8 +77,6 @@ void TWIBus::addstring(char str[]) {
 }
 
 void TWIBus::send() {
-  if (!this->addr) return;
-
   #if ENABLED(DEBUG_TWIBUS)
     debug(PSTR("send"), this->addr);
   #endif
diff --git a/Marlin/twibus.h b/Marlin/twibus.h
index bd2d8a5d46..dd1cc12673 100644
--- a/Marlin/twibus.h
+++ b/Marlin/twibus.h
@@ -43,11 +43,11 @@ typedef void (*twiRequestFunc_t)();
  * an experimental feature and it's inner workings as well as public facing
  * interface are prune to change in the future.
  *
- * The two main consumers of this class are M155 and M156, where M155 allows
+ * The two main consumers of this class are M260 and M261, where M260 allows
  * Marlin to send a I2C packet to a device (please be aware that no repeated
  * starts are possible), this can be done in caching method by calling multiple
- * times M155 B<byte-1 value in base 10> or a one liner M155, have a look at
- * the gcode_M155() function for more information. M156 allows Marlin to
+ * times M260 B<byte-1 value in base 10> or a one liner M260, have a look at
+ * the gcode_M260() function for more information. M261 allows Marlin to
  * request data from a device, the received data is then relayed into the serial
  * line for host interpretation.
  *