API and Web UI changes:

- http://airdcpp-web.github.io/2021/07/27/version-2.11.1.html
- http://airdcpp-web.github.io/2021/09/19/version-2.11.2.html

Changed:

- Print better error messages when updating the country database fails
- Encryption: accept TLS_CHACHA20_POLY1305_SHA256 cipher
- Allow closing various tab with Ctrl+W

Fixed:

- Fix a possible crash when uploading files
- Fix possible filelist-related crashes
- Fix issues with saving of options on the extension tab
- Fix warnings with hubs that are blocking direct private messages (shown only for AirDC++ users)
- Fix reopening of previously viewed text files (https://bugs.launchpad.net/airdcpp/+bug/1917271)
- Fix sending of UDP data when connecting to a SOCKS5 server via IPv4
- Fix listing of drive content when browsing local file system in the Web UI

Removed:

- Main menu item to match own filelist with ADL search (you can still match your own filelist after it has been opened)