Release v1.27.0-rc.2

Changelog

Full Changelog

Features

• schedule electra on ephemery (#7443) (@nflaig)
• rename pre/post fork designations and fork guards (#7441) (@matthewkeil)
• revert "feat: asyncAggregateWithRandomness (#7204) (#7435)" (#7450) (@wemeetagain)
• revert "feat: use snappy-wasm (#6483)" (#7451) (@wemeetagain)
• add --chain.pruneHistory flag (#7427) (@wemeetagain)
• asyncAggregateWithRandomness (#7204) (#7435) (@wemeetagain)
• use snappy-wasm (#6483) (@wemeetagain)
• schedule electra on holesky and sepolia (#7402) (@nflaig)
• eip-6110 deprecate eth1 data poll (#7414) (@ensi321)

Bug Fixes

• duplicated block attestations (#7455) (@ensi321)
• improve sync committee updates (#7456) (@twoeths)
• properly handle exit signal if binary is used with systemd (#7453) (@nflaig)
• increase block production timeouts to account for event loop lag (#7420) (@nflaig)

Maintenance

• fix prune history panels (#7442) (@nflaig)
• hide --chain.pruneHistory until feature is more stable (#7448) (@nflaig)
• bump CL spec version to beta.2 (#7440) (@nflaig)
• unhide --chain.archiveStateEpochFrequency flag (#7433) (@nflaig)
• revert back to previous getPendingBalanceToWithdraw implementation (#7419) (@nflaig)
• deps: bump nanoid from 3.3.7 to 3.3.8 (#7452) (@dependabot[bot])