Here is the detailed changelog of Wise Chat Pro:

Version 2.2

  • Upgrade of all themes
  • Improved: Moved Javascript code to the footer

Version 2.1.5

  • Fixed: issue with chat button on own profile in BuddyPress integration

Version 2.1.4

  • Fixed: issues with aliases of custom emoticons

Version 2.1.3

  • Fixed: emoticons layer issues in the FB mode

Version 2.1.2

  • Option to add HTML tags to few messages in the Localization tab

Version 2.1.1

  • Fixed: offline users on BP groups

Version 2.1

  • Spam reporting button
  • Option to adjust date and time format in messages
  • Option to adjust lock time of user names
  • Improved: W3C issues
  • Improved: admin action buttons without direct img elements
  • Fixed: security issue with the external links
  • Fixed: Focus input field after sending the message
  • Fixed: avatar images error when parsing HTML

Version 2.0

  • Moderation – edit messages option
  • Option to edit own messages
  • Users list search box
  • Users list info windows (when mouse pointer enters username on the users list)
  • Private chat button support
  • Facebook API updated to v3.1
  • Fixed: prevent loading all emoticons images if emoticon button is not enabled
  • Fixed: switching between users when offline messages are enabled

Version 1.9.2

  • Fixed: “Argument #1 is not an array” warning in WiseChatRenderer.php file
  • Fixed: “Undefined offset: 0” notice in WiseChatRenderer.php file

Version 1.9.1

  • Option to disable user names duplication check
  • Option to disable private message confirmation dialog
  • Fixed: Twitter authentication “Invalid oauth_verifier parameter” error in cases when multiple instances of the chat are present on the same page
  • Fixed: error restoring private chats on multisite

Version 1.9

  • E-mail notifications
  • Kicking users

Version 1.8

  • A new theme: “Air Flow”
  • “Wise Chat Channel Users” widget for displaying current users
  • Option to set username color for each user role separately
  • Option to set limit to the length of user names
  • Reloading page after sending valid POST forms on Force Username and Channel Password screens

Version 1.7

  • Offline users and offline private messages
  • BuddyPress friends integration

Version 1.6.2

  • Option to disable chat channel window (Facebook-like mode)
  • Option to display title bar above users list (Facebook-like mode)
  • Option to minimize users list (Facebook-like mode)
  • Option to start chat window and users list minimized (Facebook-like mode)

Version 1.6.1

  • Option to add bottom offset for Facebook-like mode
  • Option to enable bottom offset in Facebook-like mode only for narrow screens

Version 1.6

  • Option to add custom emoticons
  • Updated libraries for authentication through Facebook, Twitter and Google

Version 1.5

  • New engine “Ultra Lightweight AJAX” which consumes 5 times less CPU
  • Set validity time on AJAX internal requests (preventing indexation by Web crawlers)
  • Option to verify “X-Requested-With” header in AJAX requests
  • Option to select which parts of a message are effected when user changes text color
  • Option to exclude anonymous users from the counter calculation
  • Option to generate a sound when user is mentioned using @UserName notation
  • Option to display message and username in the same line
  • Better displaying emoticons panel on mobile devices
  • Added 20 new sounds to use in notifications
  • Option to enable a sound notification when user joins or leaves the channel
  • “User has joined/left the channel” notifications
  • Shift+ENTER moves the cursor to the new line in multiline mode, ENTER sends the message
  • Fixed: switched to JSON content type for AJAX requests (this may prevent from indexing raw data by Google)
  • Fixed: jQuery up to version 3.1 is now supported
  • Fixed: unwanted emoticons displayed after double quote
  • Fixed: the plugin cannot be deleted in WordPress 4.6 and above
  • Fixed: invalid encoding of UTF-8 characters in localized texts
  • Fixed: unclickable image upload button on some themes

Version 1.4.3

  • Option to move users list down when Facebook-like mode is enabled
  • Option to pass simple arrays in shortcode, array format: {element1, element2, …, elementN} or {key1: element1, key2: element2, …, keyN: elementN}
  • Fixed: issue with broken menu on Wise Chat Pro settings page, this blocked navigation between settings sections
  • Fixed: issues with setting background colors

Version 1.4.2

  • Option to enable / disable displaying errors to chat users

Version 1.4.1

  • Fixed: bug of multiple channels on the same page

Version 1.4

  • Sidebar mode (Facebook-like chat mode)

Version 1.3.2

  • Fixed: bug when PHP EXIF module is missing

Version 1.3.1

  • Pending messages features – manual approval of messages
  • [wise-chat-channel-export] shortcode displaying a button that allows to export all messages from a channel to CSV file
  • write-only mode option (available only in shortcode)
  • Fixed: bug of integration with BuddyPress 2.6 and greater

Version 1.3

  • Emoticons layer expands to the top
  • Three new emoticon sets
  • Shift+ENTER moves to the new line in message input field (when multiline mode is not enabled)
  • Allow to use wide range of letters (Unicode characters) in username
  • Option to select which user roles have to be hidden in the users list
  • Debug mode option (easier to report errors)
  • Better navigation between private messages on narrow devices
  • Better Clear theme appearance on narrow devices
  • User list toggle button on narrow devices
  • Fixed: /whois command does not accept usernames with spaces, now such names can be typed in double quotes

Version 1.2.2

  • Fixed: Charset issues on button labels

Version 1.2.1

  • Fixed: Usernames Mode option stopped working

Version 1.2

  • Flexible controls on narrow screens
  • Fixed: missing vertical scrollbar on the users list
  • Fixed: disappearing private conversations after page refresh
  • Major code refactoring (client side)

Version 1.1.1

  • BuddyPress integration – translations for labels on group’s Manage page
  • BuddyPress integration – safety warning for disabled groups support

Version 1.1

  • BuddyPress integration (displaying chat in BP group and chat moderation rights for admins and mods)
  • Clickable usernames on the users list
  • Additional filter that allows to filter outgoing links
  • Option to give access to the chat for specific user roles only
  • Option to hide anonymous users on the users list
  • Option to make the chat read-only for selected user roles
  • Option to give ban and/or delete permissions to each user role separately
  • Messages timestamp split to two spans – date and time
  • Improved safety during deletion of images uploaded by the chat
  • Option to auto-hide users list on the narrow screens
  • Fixed: word wrapping of long messages
  • Fixed: disappearing avatars
  • Fixed: resetting to anonymous user after certain idle time (on mobile)
  • Fixed: images uploader error on Multisite installation

Version 1.0

  • All the features of free Wise Chat 2.1
  • External authentication via Facebook, Google+ and Twitter
  • Avatars support
  • Private messages between users
  • Multisite compatibility
  • Three PRO themes