Mainnet Release v4.3.2 (contains known issues documented in postmortem: https://docs.google.com/document/d/1td8Cp4rzY7NguZSWXSbcwkUsq4aGQHeSMaWytYvw9m4/edit#)
Sync-status and sync speed improvement related PRs:
#3976 - additional fix for node-sync status
#3973 - release one rlock and change default value at getMaxPeerHeight
#3971 - Rate-limits on multiples RPC : PendingTransactions, Call, and GetDelegationsByValidator
#3975 - Added metrics for dns server for sync service
#3974 - extend the expiration for sync status cache for non-validator nodes
#3970 - remove two unnecessary use of global mutex in StateSync
#3927 #3968 - Rate-limits on multiples RPC : StakingNetworkInfo, SuperCommittees, CurrentUtilityMetrics
#3918 - refactor and make sync status check interval smaller
Other updates :
#3947 - replace go-ethereum/ethereum/rpc with harmony-one/harmony/eth/rpc
#3939 - Add revert mechanism for UpdateValidatorWrapper - this will be used in future PR to enable staking transaction with metamask
#3949 - fix DecodeSigBitmap
#3958 - Do not process txns if node is out of sync to help with a faster sync
#3953 - fix block decode bug resulting to node panicking, issue #3955
#3951 - new RPC : GetHeaderByNumberRLPHex and GetProof
The released version: v4.3.2-0-g4615505d