Since RC2:
- Many typo fixes.
- Merged some improvements to the gateway directory listing template.
- Performance tweaks in bitswap and the DHT.
- More integration tests for the DHT.
- Fixed redirects to the subdomain gateway for directory listings.
- Merged some debugging code for QUIC.
- Update the WebUI to pull in some bug fixes.
- Update flatfs to fix some issues on windows in the presence of AVs.
- Updated go version to 1.13.10.
- Avoid adding IPv6 peers to the WAN DHT if their only "public" IP addresses aren't in the public internet IPv6 range.