Release Notes:

[MQTT-6.0.0-1] Added "write text frame" to be used for unit testing
[MQTT-6.0.0-1] Error 31 has been set as the code for receiving text frames
[MQTT-6.0.0-3] Client includes subprotocol "mqtt" in send headers
[MQTT-6.0.0-4] Server includes subprotocol "mqtt" in return headers

Known issue:
- Websockets 2.0 API does not support case-insensitive headers yet, resulting in HiveMQ not being compatible for the moment. (MediaMongrels-Ltd/LabVIEW-WebSockets-API#7)

Author: francois-normandin

MQTT Websockets Connection.vipb

@@ -1,7 +1,7 @@
-<VI_Package_Builder_Settings Version="2018" Created_Date="2019-04-01 18:34:00" Modified_Date="2020-10-25 19:43:05" Creator="normandinf" Comments="" ID="2a2b810729160ee9faa1e9efc9cc74ee">
+<VI_Package_Builder_Settings Version="2018" Created_Date="2019-04-01 18:34:00" Modified_Date="2020-10-25 20:08:58" Creator="normandinf" Comments="" ID="22c98f65188375dc192a34b31b725e2e">
   <Library_General_Settings>
     <Package_File_Name>LabVIEW_Open_Source_Project_lib_MQTT_Websockets_Connection</Package_File_Name>
-    <Library_Version>3.1.2.8</Library_Version>
+    <Library_Version>3.1.2.9</Library_Version>
     <Auto_Increment_Version>false</Auto_Increment_Version>
     <Library_Source_Folder>source</Library_Source_Folder>
     <Library_Output_Folder>.</Library_Output_Folder>
@@ -52,8 +52,15 @@ License: MIT License
       <Copyright/>
       <Packager/>
       <URL>https://github.com/LabVIEW-Open-Source/MQTT-Connection-Websockets</URL>
-      <Release_Notes>- Added "write text frame" to be used for unit testing, especially MQTT-6.0.0-1 requirement.
-- Error 31 has been set as the code for receiving text frames</Release_Notes>
+      <Release_Notes>[MQTT-6.0.0-1] Added "write text frame" to be used for unit testing
+[MQTT-6.0.0-1] Error 31 has been set as the code for receiving text frames
+[MQTT-6.0.0-3] Client includes subprotocol "mqtt" in send headers
+[MQTT-6.0.0-4] Server includes subprotocol "mqtt" in return headers
+
+Known issue: 
+- Websockets 2.0 API does not support case-insensitive headers, resulting in HiveMQ not being compatible for the moment. (https://github.com/MediaMongrels-Ltd/LabVIEW-WebSockets-API/issues/7)
+
+</Release_Notes>
     </Description>
     <Destinations>
       <Toolkit_VIs>
@@ -343,7 +350,21 @@ License: MIT License
         <Path>source\Example Websockets Client-Server.vi</Path>
         <VI_Title/>
       </Items_Data>
-      <GUID>EF596E5BADB3129CEFC00E69B67179A4</GUID>
+      <Items_Data>
+        <Type>Item</Type>
+        <Sub_Palette_Index>-1</Sub_Palette_Index>
+        <NameSub_Menu_Name>Read Headers.vi</NameSub_Menu_Name>
+        <Short_Name/>
+        <is_Merge_VI>false</is_Merge_VI>
+        <Position>
+          <Row>2</Row>
+          <Column>2</Column>
+        </Position>
+        <Icon>00000000</Icon>
+        <Path>source\MQTT_Websockets\Connection\Read Headers.vi</Path>
+        <VI_Title/>
+      </Items_Data>
+      <GUID>0DC055ADB1547C89190B20EE929512E0</GUID>
     </Functions_Palette_Data>
   </Library_Palette_Definition>
 </VI_Package_Builder_Settings>

source/MQTT_Websockets/Connection/Configure Websockets Connection.vi

@@ -173,12 +173,21 @@
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 	</Item>
 	<Item Name="Configure Websockets Connection.vi" Type="VI" URL="../Configure Websockets Connection.vi">
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+		<Property Name="NI.ClassItem.ConnectorPane" Type="Bin">%Q#!!!!!!!)!"1!&amp;!!!-!%!!!@````]!!!!"!!%!!!']!!!!$1!-1#%'=X2B&gt;(6T!!!,1!-!"'.P:'5!!""!-0````]'=W^V=G.F!!!71&amp;!!!Q!!!!%!!AFF=H*P=C"P&gt;81!"!!!!%R!=!!?!!!U&amp;5V26&amp;2@6W6C=W^D;W6U=SZM&gt;GRJ9BR8:7*T&lt;W.L:82T1W^O&lt;G6D&gt;'FP&lt;CZM&gt;G.M98.T!!!-6V.$&lt;WZO:7.U;7^O!!"/1(!!(A!!."6.56258V&gt;F9H.P9WNF&gt;(-O&lt;(:M;7)=6W6C=W^D;W6U=U.P&lt;GZF9X2J&lt;WYO&lt;(:D&lt;'&amp;T=Q!!$V&gt;41W^O&lt;G6D&gt;'FP&lt;C"J&lt;A!81!-!%82J&lt;76P&gt;81A+$5Q-$!A&lt;8-J!#"!5!!$!!!!!1!#%W6S=G^S)'FO)#BO&lt;S"F=H*P=CE!$E!Q`````Q2Q982I!!!81!9!%(*F&lt;7^U:3"Q&lt;X*U)#AY-#E!!"R!-0````]4972E=G6T=S!I&lt;'^D97RI&lt;X.U+1"B!0!!$!!$!!1!"!!&amp;!!1!"A!(!!1!#!!*!!I!#Q-!!(A!!!U)!!!!!!!!!!!!!!U&amp;!!!!!!!!#A!!!!A!!!!!!!!!#!!!!!A!!!!)!!!!#!!!$1!!!!9!!!!!!!!!!!!!!1!-!!!!!!</Property>
 		<Property Name="NI.ClassItem.ExecutionSystem" Type="Int">-1</Property>
 		<Property Name="NI.ClassItem.Flags" Type="Int">0</Property>
 		<Property Name="NI.ClassItem.IsStaticMethod" Type="Bool">true</Property>
 		<Property Name="NI.ClassItem.MethodScope" Type="UInt">1</Property>
 		<Property Name="NI.ClassItem.Priority" Type="Int">1</Property>
-		<Property Name="NI.ClassItem.State" Type="Int">1342710272</Property>
+		<Property Name="NI.ClassItem.State" Type="Int">1107825168</Property>
+	</Item>
+	<Item Name="Read Headers.vi" Type="VI" URL="../Read Headers.vi">
+		<Property Name="NI.ClassItem.ConnectorPane" Type="Bin">%Q#!!!!!!!)!"1!&amp;!!!-!%!!!@````]!!!!"!!%!!!'-!!!!#A!-1#%'=X2B&gt;(6T!!!,1!-!"'.P:'5!!""!-0````]'=W^V=G.F!!!71&amp;!!!Q!!!!%!!AFF=H*P=C"P&gt;81!"!!!!"2!5QZ3:82V=GYA3'6B:'6S=Q!!7%"Q!"Y!!$1646&amp;56&amp;^8:7*T&lt;W.L:82T,GRW&lt;'FC(&amp;&gt;F9H.P9WNF&gt;(.$&lt;WZO:7.U;7^O,GRW9WRB=X-!!"B8:7*T&lt;W.L:82T1W^O&lt;G6D&gt;'FP&lt;C"P&gt;81!!#"!5!!$!!!!!1!#%W6S=G^S)'FO)#BO&lt;S"F=H*P=CE!6E"Q!"Y!!$1646&amp;56&amp;^8:7*T&lt;W.L:82T,GRW&lt;'FC(&amp;&gt;F9H.P9WNF&gt;(.$&lt;WZO:7.U;7^O,GRW9WRB=X-!!"&gt;8:7*T&lt;W.L:82T1W^O&lt;G6D&gt;'FP&lt;C"J&lt;A"B!0!!$!!$!!1!"1!'!!1!"!!%!!1!"Q!%!!1!#!-!!(A!!!U)!!!!!!!!#1!!!!U,!!!!!!!!!!!!!!!!!!!!!!!!#A!!!!!!!!!!!!!!%!!!$1!!!!Q!!!!!!!!!!!!!!1!*!!!!!!</Property>
+		<Property Name="NI.ClassItem.ExecutionSystem" Type="Int">-1</Property>
+		<Property Name="NI.ClassItem.Flags" Type="Int">0</Property>
+		<Property Name="NI.ClassItem.IsStaticMethod" Type="Bool">true</Property>
+		<Property Name="NI.ClassItem.MethodScope" Type="UInt">1</Property>
+		<Property Name="NI.ClassItem.Priority" Type="Int">1</Property>
+		<Property Name="NI.ClassItem.State" Type="Int">1107825168</Property>
 	</Item>
 </LVClass>