diff --git a/locales/en/messages.json b/locales/en/messages.json
index 31f168ff..a3ccecaa 100644
--- a/locales/en/messages.json
+++ b/locales/en/messages.json
@@ -1527,6 +1527,14 @@
     "receiverRcSmoothingManual": {
         "message": "Manual"
     },
+    "receiverRcSmoothingAutoSmoothness": {
+        "message": "Auto Smoothness",
+        "description": "Auto Smoothness parameter for RC smoothing"
+    },
+    "receiverRcSmoothingAutoSmoothnessHelp": {
+        "message": "Adjusts the Auto smoothing calculation, 10 is the default smoothing to delay ratio. Increasing the number will smooth RC inputs more, while also adding delay. This may be useful for unreliable RC connections or for cinematic flying.<br>Be careful with numbers approaching 50, input delay will become noticeable.<br>Use the CLI command rc_smoothing_info while TX and RX are powered to see the automatically calculated RC smoothing cutoffs. ",
+        "description": "Auto Smoothness parameter help message"
+    },
     "receiverRcDerivativeTypeSelect": {
         "message": "Derivative Cutoff Type"
     },
diff --git a/src/js/fc.js b/src/js/fc.js
index c943956b..bac0c8e4 100644
--- a/src/js/fc.js
+++ b/src/js/fc.js
@@ -461,6 +461,8 @@ var FC = {
             rcSmoothingDerivativeCutoff:  0, 
             rcSmoothingInputType:         0,
             rcSmoothingDerivativeType:    0,
+            rcSmoothingAutoSmoothness:    0,
+            usbCdcHidType:                0,
         };
 
         FAILSAFE_CONFIG = {
diff --git a/src/js/msp/MSPHelper.js b/src/js/msp/MSPHelper.js
index 1a93aa71..b1ca4a27 100644
--- a/src/js/msp/MSPHelper.js
+++ b/src/js/msp/MSPHelper.js
@@ -896,6 +896,10 @@ MspHelper.prototype.process_data = function(dataHandler) {
                             RX_CONFIG.rcSmoothingDerivativeCutoff = data.readU8();
                             RX_CONFIG.rcSmoothingInputType = data.readU8();
                             RX_CONFIG.rcSmoothingDerivativeType = data.readU8();
+                            if (semver.gte(CONFIG.apiVersion, "1.42.0")) {
+                                RX_CONFIG.usbCdcHidType = data.readU8();
+                                RX_CONFIG.rcSmoothingAutoSmoothness = data.readU8();
+                            }
                         }
                     } else {
                         RX_CONFIG.rxSpiProtocol = 0;
@@ -1687,6 +1691,10 @@ MspHelper.prototype.crunch = function(code) {
                             .push8(RX_CONFIG.rcSmoothingDerivativeCutoff)
                             .push8(RX_CONFIG.rcSmoothingInputType)
                             .push8(RX_CONFIG.rcSmoothingDerivativeType);
+                        if (semver.gte(CONFIG.apiVersion, "1.42.0")) {
+                            buffer.push8(RX_CONFIG.usbCdcHidType)
+                                .push8(RX_CONFIG.rcSmoothingAutoSmoothness);
+                        }
                     }
                 }
             }
diff --git a/src/js/tabs/receiver.js b/src/js/tabs/receiver.js
index adb873b4..158f44a8 100644
--- a/src/js/tabs/receiver.js
+++ b/src/js/tabs/receiver.js
@@ -233,7 +233,9 @@ TABS.receiver.initialize = function (callback) {
 
         // UI Hooks
         $('a.refresh').click(function () {
-	    // Todo: refresh data here
+            tab.refresh(function () {
+                GUI.log(i18n.getMessage('receiverDataRefreshed'));
+            });
         });
 
         $('a.update').click(function () {
@@ -333,7 +335,7 @@ TABS.receiver.initialize = function (callback) {
 
             var rcSmoothingnNumberElement = $('input[name="rcSmoothingInputHz-number"]');
             var rcSmoothingnDerivativeNumberElement = $('input[name="rcSmoothingDerivativeCutoff-number"]');
-            
+
             $('.tab-receiver .rcSmoothing-input-cutoff').show();
             $('select[name="rcSmoothing-input-manual-select"]').val("1");
             $('.tab-receiver .rc-smoothing-input-blank').hide();
@@ -371,7 +373,7 @@ TABS.receiver.initialize = function (callback) {
                     rcSmoothingnDerivativeNumberElement.val(RX_CONFIG.rcSmoothingDerivativeCutoff);
                 }
             });
-            
+
             rcSmoothingnNumberElement.change(function () {
                 RX_CONFIG.rcSmoothingInputCutoff = $(this).val();
             });
@@ -397,6 +399,25 @@ TABS.receiver.initialize = function (callback) {
             });
             rc_smoothing_input_type.val(RX_CONFIG.rcSmoothingInputType);
 
+            if (semver.gte(CONFIG.apiVersion, "1.42.0")) {
+                $('select[name="rcSmoothing-input-manual-select"], select[name="rcSmoothing-input-derivative-select"]').change(function() {
+                    if ($('select[name="rcSmoothing-input-manual-select"]').val() == 0 || $('select[name="rcSmoothing-input-derivative-select"]').val() == 0) {
+                        $('.tab-receiver .rcSmoothing-auto-smoothness').show();
+                    } else {
+                        $('.tab-receiver .rcSmoothing-auto-smoothness').hide();
+                    }
+                });
+                $('select[name="rcSmoothing-input-manual-select"]').change();
+
+                var rc_smoothing_auto_smoothness = $('input[name="rcSmoothingAutoSmoothness-number"]');
+                rc_smoothing_auto_smoothness.change(function() {
+                    RX_CONFIG.rcSmoothingAutoSmoothness = $(this).val();
+                });
+                rc_smoothing_auto_smoothness.val(RX_CONFIG.rcSmoothingAutoSmoothness);
+            } else {
+                $('.tab-receiver .rcSmoothing-auto-smoothness').hide();
+            }
+
             updateInterpolationView();
         } else {
             $('.tab-receiver .rcInterpolation').show();
@@ -407,6 +428,7 @@ TABS.receiver.initialize = function (callback) {
             $('.tab-receiver .rcSmoothing-derivative-manual').hide();
             $('.tab-receiver .rcSmoothing-input-manual').hide();
             $('.tab-receiver .rc-smoothing-type').hide();
+            $('.tab-receiver .rcSmoothing-auto-smoothness').hide();
         }
 
         // Only show the MSP control sticks if the MSP Rx feature is enabled
@@ -455,7 +477,7 @@ TABS.receiver.initialize = function (callback) {
                 }
 
                 // Remove old data from array
-                while (RX_plot_data.length > 300) {
+                while (RX_plot_data[0].length > 300) {
                     for (var i = 0; i < RX_plot_data.length; i++) {
                         RX_plot_data[i].shift();
                     }
@@ -594,6 +616,18 @@ TABS.receiver.cleanup = function (callback) {
     if (callback) callback();
 };
 
+TABS.receiver.refresh = function (callback) {
+    var self = this;
+
+    GUI.tab_switch_cleanup(function () {
+        self.initialize();
+
+        if (callback) {
+            callback();
+        }
+    });
+};
+
 TABS.receiver.updateRcInterpolationParameters = function () {
     if (semver.gte(CONFIG.apiVersion, "1.20.0")) {
         if ($('select[name="rcInterpolation-select"]').val() === '3') {
@@ -612,6 +646,11 @@ function updateInterpolationView() {
     $('.tab-receiver .rcSmoothing-input-type').show();
     $('.tab-receiver .rcSmoothing-derivative-manual').show();
     $('.tab-receiver .rcSmoothing-input-manual').show();
+    if (semver.gte(CONFIG.apiVersion, "1.42.0")) {
+        if (parseInt(RX_CONFIG.rcSmoothingDerivativeCutoff) === 0 || parseInt(RX_CONFIG.rcSmoothingInputCutoff) === 0) {
+            $('.tab-receiver .rcSmoothing-auto-smoothness').show();
+        }
+    }
 
     if (parseInt(RX_CONFIG.rcSmoothingType) === 0) {
         $('.tab-receiver .rcInterpolation').show();
@@ -621,6 +660,7 @@ function updateInterpolationView() {
         $('.tab-receiver .rcSmoothing-input-type').hide();
         $('.tab-receiver .rcSmoothing-derivative-manual').hide();
         $('.tab-receiver .rcSmoothing-input-manual').hide();
+        $('.tab-receiver .rcSmoothing-auto-smoothness').hide();
     }
     if (parseInt(RX_CONFIG.rcSmoothingDerivativeCutoff) === 0) {
         $('.tab-receiver .rcSmoothing-derivative-cutoff').hide();
diff --git a/src/tabs/receiver.html b/src/tabs/receiver.html
index 2282a2d8..c2577ef2 100644
--- a/src/tabs/receiver.html
+++ b/src/tabs/receiver.html
@@ -213,6 +213,21 @@
                             <div class="helpicon cf_tip" i18n_title="rcSmoothingDerivativeTypeHelp" style="margin-top:0px;"></div>
                         </td>
                     </tr>
+                    <tr class="rcSmoothing-auto-smoothness">
+                        <td>
+                            <input type="number" name="rcSmoothingAutoSmoothness-number" step="1" min="0" max="50">
+                        </td>
+                        <td>
+                            <div>
+                                <label>
+                                    <span i18n="receiverRcSmoothingAutoSmoothness"></span>
+                                </label>
+                            </div>
+                        </td>
+                        <td>
+                            <div class="helpicon cf_tip" i18n_title="receiverRcSmoothingAutoSmoothnessHelp" style="margin-top:0px;"></div>
+                        </td>
+                    </tr>
                     <tr class="rcInterpolation">
                         <td>
                             <select name="rcInterpolation-select">