Merge #2932: Update to Tendermint v0.27.0-dev0

* Update upstream Tendermint version
* Update PENDING.md
* Fix for accum -> proposer priority

client/rpc/validators.go

@@ -38,10 +38,10 @@ func ValidatorCommand() *cobra.Command {
 
 // Validator output in bech32 format
 type ValidatorOutput struct {
-	Address     sdk.ValAddress `json:"address"` // in bech32
-	PubKey      string         `json:"pub_key"` // in bech32
-	Accum       int64          `json:"accum"`
-	VotingPower int64          `json:"voting_power"`
+	Address          sdk.ValAddress `json:"address"` // in bech32
+	PubKey           string         `json:"pub_key"` // in bech32
+	ProposerPriority int64          `json:"proposer_priority"`
+	VotingPower      int64          `json:"voting_power"`
 }
 
 // Validators at a certain height output in bech32 format
@@ -57,10 +57,10 @@ func bech32ValidatorOutput(validator *tmtypes.Validator) (ValidatorOutput, error
 	}
 
 	return ValidatorOutput{
-		Address:     sdk.ValAddress(validator.Address),
-		PubKey:      bechValPubkey,
-		Accum:       validator.Accum,
-		VotingPower: validator.VotingPower,
+		Address:          sdk.ValAddress(validator.Address),
+		PubKey:           bechValPubkey,
+		ProposerPriority: validator.ProposerPriority,
+		VotingPower:      validator.VotingPower,
 	}, nil
 }