updated readme.

CHANGELOG.md

@@ -4,6 +4,10 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](http://keepachangelog.com/)
 and this project adheres to [Semantic Versioning](http://semver.org/).
 
+## [0.17.5] - 2020-12-12
+- Fix to allow use of CF template upgrade to disable WebAppConfHelp, WebAppConfPositiveFeedback, and WebAppConfNegativeFeedback
+- Fix to improve resizing of lex-web-ui button at bottom of page when text is used in addition to icon
+
 ## [0.17.4] - 2020-12-06
 - Improved upgrade support
 - Chat history can now be preserved and redisplayed when the user comes back to the original parent page.

README.md

@@ -18,6 +18,10 @@ and ability to interrupt responses and replay recordings
 - Ability to programmatically configure and interact with the chatbot
 UI using JavaScript
 
+#### Fixes in version 0.17.5
+- Fix to allow use of CF template upgrade to disable WebAppConfHelp, WebAppConfPositiveFeedback, and WebAppConfNegativeFeedback
+- Fix to improve resizing of lex-web-ui button at bottom of page when text is used in addition to icon
+
 #### Features in version 0.17.4
 - Improved upgrade support. 
   * The CloudFormation upgrade stack operation from the AWS Console should now be used to 

config/utils/merge-config.js

@@ -23,14 +23,20 @@ module.exports = function mergeConfig(baseConfig, srcConfig) {
       let mergedConfig = {};
       let value = baseConfig[key];
       // merge from source if its value is not empty
-      if (key in srcConfig && !isEmpty(srcConfig[key])) {
-        value = (typeof(baseConfig[key]) === 'object') ?
-          // recursively merge sub-objects in both directions
-          Object.assign(
-            mergeConfig(srcConfig[key], baseConfig[key]),
-            mergeConfig(baseConfig[key], srcConfig[key]),
-          ) :
-          srcConfig[key];
+      // allow merging of emtpy values from helpIntent, positiveFeedbackIntent, and negativeFeedbackIntent
+      if (key in srcConfig ) {
+        if (key==='helpIntent' ||
+            key==='positiveFeedbackIntent' ||
+            key=== 'negativeFeedbackIntent' ||
+            !isEmpty(srcConfig[key]) ) {
+            value = (typeof (baseConfig[key]) === 'object') ?
+                // recursively merge sub-objects in both directions
+                Object.assign(
+                    mergeConfig(srcConfig[key], baseConfig[key]),
+                    mergeConfig(baseConfig[key], srcConfig[key]),
+                ) :
+                srcConfig[key];
+        }
       }
       mergedConfig[key] = value;
       return mergedConfig;

dist/custom-chatbot-style.css

@@ -77,4 +77,8 @@
 */
     button.min-button {
         border-radius: 60px;
-    }
+    }
+
+.message-button {
+    display: none;
+}