Spectrum 2

Spectrum 2 is an instant messaging transport that carries messages between different IM networks. It lets people continue a conversation even when they use separate instant messaging services, bridging networks that would otherwise remain distinct. By transporting messages between those networks, Spectrum 2 allows users of different services to chat with one another without all participants being on the same IM network. It is intended for people who need to communicate with contacts using other instant messaging networks. The available information does not identify Spectrum 2 as a replacement for a particular paid product. One important limitation is its defined scope: Spectrum 2 is a message transport rather than a separate instant messaging network. Its stated purpose is to carry conversations across network boundaries; no additional messaging functions or features are specified.

### Version 2.2.1 (2023-06-12) #### General * Fix compatibility with latest libraries (log4cxx) #### libpurple backend * XMPP "active" chatstate should send correct `unseen-count` data with `conversation-updated` signal, this should allow protocol plugin to mark messages as read on user "focus".

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