v0.21

What's Changed

Especially noteworthy

• SSZ builder submissions
  • Block builders can now submit payloads encoded in JSON, SSZ, JSON+GZIP, SSZ+GZIP
  • PR #388 - Allow SSZ builder submissions (also SSZ+GZIP)
  • Live on Flashbots relays
  • More details for builders
• use HMSET for batch Builder status store by @EliasiOfir in #373

Various

• make lt, make flt in #390
• cleanup logging of builder submission content in #395
• cleanup: remove blst portable env var in tests in #389
• Bump github.com/attestantio/go-eth2-client from 0.15.8 to 0.16.3 by @dependabot in #387

New Contributors

• @EliasiOfir made their first contribution in #373

---

Docker image: flashbots/mev-boost-relay:0.21

Full Changelog: v0.20.0...v0.21