docs: Update developer guide and changelog

CHANGELOG.md

@@ -1,9 +1,34 @@
 # CHANGELOG.md
 
-## v1.3.2 (16-03-2024)
+## v1.4.0 (22-03-2024)
+
+**Added:**
+- A new `chatWindow` section has been added into the [**Configurations**](https://react-chatbotify.tjtanjin.com/docs/introduction/bot_options#configurations) category with the following default values:
+  ```
+  chatWindow: {
+    showScrollbar: false,
+    autoJumpToBottom: false,
+    showMessagePrompt: true,
+    messagePromptText: "New Messages ↓",
+    messagePromptOffset: 30,
+  }
+  ```
+  Explanations for what each property does can be found on the [**documentation website**](https://react-chatbotify.tjtanjin.com/docs/introduction/bot_options#configurations).
 
 **Fixed:**
+- Fixed an occasional issue where stream messages do not autoscroll when user is at the bottom of the chat
+- Fixed an issue where users can interrupt the `start` block if it is streaming
+- Fixed a bug where users can pinch-zoom the chat window on mobile devices to cause it to be distorted
+- Fixed a rare bug where the chat window could be scrolled out of view
+- Fixed a longstanding issue where playing notification sounds on mobile devices causes media controls to appear in notifications tray
+
+**Note:**
 
+Initially planned for only bug fixes, I eventually added a whole new `chatWindow` section simply because I felt there were many small areas that could use enhancements (hiding the scrollbar, showing new message prompts instead of forcing users to the bottom etc). This led to **version 1.4.0** which was entirely focused on cleaning up the imperfections from the several changes that have been made in the last few releases.
+
+## v1.3.2 (16-03-2024)
+
+**Fixed:**
 - Fixed an issue where chat window auto-scrolling does not work for streamed messages
 - Fixed an issue where loading chat history caused current scroll position to shift
 - Fixed an issue where extremely long words get abruptly cut-off at the tail end of the message bubble

docs/DeveloperGuide.md

@@ -129,6 +129,8 @@ In order to run the test, you will need to **download** the [chromedriver](https
 
 Finally, if you would like to, you can then also build the library with `npm run build`.
 
+Note: As of version **1.3.0**, the chatbot also comes with streaming messages as a feature. Should you decide to run tests against stream messages, you may wish to increase the `WAIT_DURATION` and set `HEADLESS` to `false` in _test/config.js_.
+
 ## Pull Requests
 
 If you are satisfied with your changes and would like to **contribute back to the project** (which we strongly encourage you to!), feel free to open a pull request to the master branch.