4.69v (#2285)
is pull request introduces several enhancements to the chat application's file upload and preview functionality, along with updates to message rendering and user interface components. The most significant changes include the addition of file preview support, improvements to attachment handling, and updates to the chat interface to accommodate these features.
File Upload and Preview Enhancements:
Added support for file previews before uploading, including image thumbnails and a remove button for previewed files.
Enhanced the rendering of attachments in chat messages for both users and administrators.
Modified the OnlineChat component to manage file previews and include file attachments in sent messages.
Added a configuration option to enable file previews in the file upload settings.
These changes collectively enhance the user experience by providing better file management and preview capabilities, streamlining attachment handling, and improving the overall functionality of the chat interface.

Save trigger actions also as not escaped UTF-8 characters #2283

Update changelog

Change log 4.66v

4.65v (#2251)
1. Department statistic modal window will show department online status. Useful for investigations.
2. Case insensitive will be a global in additional chat variables.
3. Sometimes while logging as other operator did not work and operator was logged out instantly.
4. `vars_encrypted` option should be respected in popup.
5. `If` condition support in bot individualization. https://doc.livehelperchat.com/docs/bot/multiple-languages#setting-translations-for-messages
execute doc/update_db/update_333.sql for update

Department operator stats (#2245)

Update default table

4.62v (#2230)
1. Option to show hidden chat variable directly in the chat window.

Master routing (#2228)
4.61v
Security Fixes
Multiple XSS vulnerabilities were fixed (all required operator login to exploit)
These were minor security issues that couldn't be exploited by anonymous visitors
Reported by:
* Name: Manojkumar Jaganathan (TheWhiteEvil)
* LinkedIn: https://www.linkedin.com/in/manojkumar-j-7ba35b202/
* HackerOne Profile: https://hackerone.com/the-white-evil?type=user
* Company: HackerBro Technologies
* Their website https://www.hackerbro.net
Specific fixes included:
    1. Properly escaping operator names in the dropdown filtering box
    2. Escaping bot usernames in the Telegram module
    3. Escaping operator names in the change owner window
    4. Escaping "Alias nick" field in department assignment modals
    5. Escaping Facebook page "Name" fields
    6. Escaping canned message content in chat window flows
New Features
    1. Added logging capability for chat priority rules application
    2. Added support for passing chat_id and chat_hash parameters
    3. Improved UI to show which siteaccess is being used for translated text in widget themes
execute doc/update_db/update_329.sql for update

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