2.21.0
- Use EdDSA, x25519 and SipHash from openssl 1.1.1 if available
- NTCP2 ipv6 incoming connections
- Bandwidth classes 'P' and 'X' without 'O'
- Support android api > 26
- Update own RouterInfo if no SSU
- Fixed NTCP address disappears if NTCP2 enabled
- Show total number of destination's outgoing tags in the web console