MIRC users are advised to upgrade due to a security issue related to outgoing messages being chopped in a specific context that could lead to a subsequent message being leaked. mIRC 7.22 Change Log This version of mIRC is primarily a security release. Link:) can change big, textual styles, clamors, works mysteries, contents & significantly more. The interface of mIRC is clear and practical supports features such as buddy lists, file transfers, multi-server connections, IPv6, SSL encryption, proxy. MIRC is a full featured Internet Relay Chat client for Windows that allows users to communicate, share, play or work with others on IRC networks around the world, either in multi-user group conferences or in one-to-one private discussions. MIRC is a popular Windows based Internet chat relay client which allows users to communicate, share files, play games or work with other members from around the.