I understand that is still works just fine, but getting rid of deprecating things is desired.
IrcClient\IrcClient.cs(102,102): Warning CS0618: 'System.Collections.CaseInsensitiveHashCodeProvider' is obsolete: 'Please use StringComparer instead.' (CS0618)
IrcClient\IrcClient.cs(84,84): Warning CS0618: 'System.Collections.Hashtable.Hashtable(System.Collections.IHashCodeProvider, System.Collections.IComparer)' is obsolete: 'Please use Hashtable(IEqualityComparer) instead.' (CS0618)
IrcFeatures\DccConnection.cs(26,26): Warning CS0618: 'System.Net.IPAddress.Address' is obsolete: 'This property has been deprecated. It is address family dependent. Please use IPAddress.Equals method to perform comparisons. http://go.microsoft.com/fwlink/?linkid=14202' (CS0618)
If it bothers you, make a PR which addresses them? The source has to be stay .NET 3.5 compatible though, but I think most warnings are .NET 1.1 -> .NET 2.0 related.
I understand that is still works just fine, but getting rid of deprecating things is desired.