Prysm v2.1.0 release available

[Preston Van Loon]

v2.1.0

This release is comprised of 285 commits and these notes reflect only the highlights in the changelist.

View the full changelist here: v2.0.6...v2.1.0

Known Issues

• Erroneous warning message in validator client when bellatrix fee recipient is unset. This is a cosmetic message and does not affect run time behavior in Phase0/Altair. Fixed by #10543
• In Bellatrix/Kiln: Fee recipient flags may not work as expected. See #10555 for a fix and more details.

Added

• Web3Signer support. See the documentation for more details.
• Bellatrix support. See kiln testnet instructions
• Weak subjectivity sync / checkpoint sync. This is an experimental feature and may have unintended side effects for certain operators serving historical data. See the documentation for more details.
• A faster build of blst for beacon chain on linux amd64. Use the environment variable USE_PRYSM_MODERN=true with prysm.sh, use the "modern" binary, or bazel build with --define=blst_modern=true. #10229
• Vectorized sha256. This may have performance improvements with use of the new flag --enable-vectorized-htr. #10166
• A new forkchoice structure that uses a doubly linked tree implementation. Try this feature with the flag --enable-forkchoice-doubly-linked-tree #10299
• Fork choice proposer boost is implemented and enabled by default. See PR #10083 description for more details.

Changed

• Flag Default Change The default value for --http-web3provider is now localhost:8545. Previously was empty string. #10498
• Updated spectest compliance to v1.1.10. #10298
• Updated to bazel 5.0.0 #10352
• Gossip peer scorer is now part of the --dev flag. #10207

Removed

• Removed released feature for next slot cache. --disable-next-slot-state-cache flag has been deprecated and removed. #10110

Fixed

Too many bug fixes and improvements to mention all of them. See the full changelist

Security

• Go version updated to security release 1.17.9. The security fixes do not apply to Prysm.
• Go-ethereum components updated to 1.10.17-535f25 #10417