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We experienced problems with ICQ transport the last days. According to the developers of Spectrum this is a “glib poll” issue. epoll unfortunally does not work with glib (yet).
Therefore Spectrum ICQ transport now uses libev3 and epoll.
It looks good at the moment, I hope it stays that way. We will see what happens during the next days as our server is the only server which runs this configuration. Not even the Spectrum developers were able to test it, yet.