Miranda IM reached a round version recently, 0.10, which consists of enhancements such as improved network support.
There is a new language pack format support and per user language packs. Furthermore, in the case of AIM, the listening connection is now established only when needed and not at startup. With MSN there is support for Windows Phone detection and there is conference support for Yahoo users.
The fixes in the new release address crashes some users have been experiencing on rare occasions and protocol-related problems.
In the case of AIM, the issues solved include memory leaks and the chat invitation messages problem. GTalk users should no longer have trouble logging in invisibly in Miranda. Also fixed and searching for AT&T user accounts.
In the case of MSN, the developer improved P2P connectivity and eliminated some crashes. Miranda IM can be downloaded from this page.