v0.2.7

• Add Lock When Accessing Checkpoints #4086
• Buildkite: Disable failing BES #4087
• Aggregator selection from RPC to validator client #4071
• Resolve Panic in ListValidatorBalances RPC #4051
• Deprecate feature flag --scatter #4079
• gRPC Gateway: Emit JSON empty fields by default #4085
• Refactor validator roles into an array #4081
• Filter ListValidators by Active in RPC #4061
• Update Pending Queue #4066