Add types for WindowsUI, CocoaUI, and Gtk3UI.
Add support for referring to ports by symbol.
Add ui:portMap for accessing ports by symbol, allowing for UIs to be distributed separately from plugins.
Add port protocols and a dynamic notification subscription mechanism, for more flexible communication, and audio port metering without control port kludges.
Add touch feature to notify the host that the user has grabbed a control.
Install header to URI-based system path.
Convert documentation to HTML and use lv2:documentation.
Use lv2:Specification to be discovered as an extension.