After two years from the latest stable release we're waking up again with this 3.0.0. Since the 2.* releases the KVIrc source code has been almost completly rewritten. The major differences are summarized in the following list:

Multiserver: you can have multiple IRC connections in a single window 
IPV6 support, also for DCC transfers 
SSL support (also over IPV6) 
UNICODE support for the user interface 
Better scripting language 
A basic Theme Engine 

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