Implemented Features:

Rad Studio XE6, XE7 and XE8 support;
Encryptor - new component that encrypts/decrypts data with x509 certificate;
HttpRIO - new HTTP RIO component with SOAP Security support was implemented;
OAuth - implements the XOAUTH2 authorization;
SFTP client - an FTP client with full Secure Shell (SSH) encryption support;
SimpleHttpServer - implements the server-side HTTP protocol;
ThreadPool - new component that implements a set of events that intercept the task starting, finishing, allows creating of custom working thread for the task and many more;
SoapMessage component was totally replaced and improved. The XML encryption was introduced. The improved component supports both the SOAP-DSIG and SOAP Security extensions;
SoapMessage - SOAP 1.2 was implemented. New advanced properties and customizable algorithms were implemented;
The library was splitted on design-time and runtime packages. Starting from now, the components can be used by RAD Studio form designer in 64-bit projects;
The basic socket components were replaced and improved. The class inheritance was changed. Please see the Help documentation for more details;
AsyncClient - an asynchronous error handling was added;
Certificate management - the class interface was improved, the following properties were added: Thumbprint, SubjectKeyIdentifier. A set of overloaded functions that search certificates within the store was added;
Certificate management - unicode support for both Subject and Issuer properties was implemented;
DnsServer - the full IpV6 support was implemented (AAAA records);
DnsQuery - The RootNameServers property was added, the ability to recursively resolve names was implemented;
Encoder - a set of overloaded Encode / Decode functions was added. New functions accept strings, bytes and streams;
The iso-2022-jp encoding was implemented;
FTP client - extracting of server extensions was implemented. Obtaining of server file date was added. The parameter list for both GetFile and PutFile methods was improved;
FtpServer - there are the following FTP extensions were added: SIZE, REST STREAM, MDTM, FEAT, OPTS. The ability to add custom extensions was implemented;
FTP+SSL - the secure file transfer in both passive and non-passive modes was implemented;
The OAUTH authorization was added to the following components: HTTP, WebDAV, SMTP and IMAP4 clients;
The JSON parser vas introduced;
HttpRequest - JSON support was added, the ability to load / save the request to a stream was implemented;
The IDN translator for international domain names was added to the HTTP components (Http, WebDAV, HttpRIO, Downloader, MultiDownloader, Uploader, MultiUploader, NewsChecker, WebUpdate);
IMAP client - the receiving of appended message ID was implemented;
MailMessage - a set of overloaded LoadMessage / SaveMessage methods was added. New methods allow you to specify the character set for strings. The Calendar body was added;
The progress bar functionality is introduced by two components: ProgressBar and ProgressBarDC. The ProgressBar represents fully-functional progress indicator that can be used together with any component (as well as with any third-party components). The ProgressBarDC is used by the Downloader/Uploader and MultiDownloader/MultiUploader components for displaying of file transferring progress information;
ProgressBar - new Windows 7 themes were added;
SMimeMessage - the OnGetCertificate event was replaced with two new events for both signing and ecrypting processes: OnGetSigningCertificate and OnGetEncryptionCertificate;
Downloader/ MultiDownloader - the downloading of large files (> 4 Gb) was dramatically improved;
The Clever Internet Suite installation installs Demos to the User\Documents folder when running on Windows 7 and higher;

Fixed Bugs:

UDP server and all descendant components: there were issues with starting of listening socket (the server was hanged) - fixed;
MailMessage - the message attachments and images lists are not automatically updated in the helper properties (Images, Attachments) when adding or deleting the body from the Bodies collection - fixed;
DnsServer - some fixes in the server engine;
IMAP client - The AppendMessage method did not work with GMail IMAP - fixed;
MailMessage - the header fields with mixed encoding style were decoded incorrectly - fixed;
FTP client - the file names with international symbols were obtained incorrectly - fixed;
HTTP client - The resource URLs were not escaped - fixed;
All HTTP clients (HTTP, WebDav, Downloader, MultiDownloader, NewsChecker, WebUpdate) - a list of supported compression algorithms was specified incorrectly. The current version of the library supports only gzip. When a website returns content in "deflate" format, the decoding fails - fixed;
FtpServer - the directory navigation worked incorrectly in case if the root folder is the root of the disk (e.g, "c:\"). The connected client cannot get back to the root folder after navigating to a subfolder - fixed;