o Minor features (IPv6, v3 onion services): - Make v3 onion services put IPv6 addresses in service descriptors. Before this change, service descriptors only contained IPv4 addressesd. Implements 26992. o Code simplification and refactoring: - Simplify v3 onion service link specifier handling code. Fixes bug 23576; bugfix on 0.3.2.1-alpha.