Release Note

v1.8.4 Release Notes
We are happy to announce that Klaytn v1.8.4 has been released, with improvements for the ServiceChain, which is an integral part of Klaytn’s Metaverse Package.
This release has only to do with the ServiceChain, so there is no need to update your nodes that don’t support ServiceChain bridges.
Improvements

Introduced the SC_VTRECOVERY_INTERVAL configuration which sets the recovery interval, and renames VTRECOVERY to SC_VTRECOVERY. (#1271)
Added two APIs for the Subbridge namespace subbridge_getChildBridgeContractBalance and subbridge_getParentBridgeContractBalance to return the balance for the respective contracts. (#1254)
Added a logic in setBridge() to check whether an address is a contract. (#1299)
Added request timeout flag for KAS, which can be set in the configuration file.(#1284)
Introduced SC_DEFAULTGASLIMIT to make ServiceChain default gas limit configurable.(#1287)
Enabled separate gas limit setting for parent/child chains introducing new configurations and APIs. (#1353)

Configurations: SC_PARENT_OPERATOR_GASLIMIT and SC_CHILD_OPERATOR_GASLIMIT
APIs: subbridge_setParentBridgeOperatorGasLimit, subbridge_setChildBridgeOperatorGasLimit, subbridge_getParentBridgeOperatorGasLimit, and subbridge_getChildBridgeOperatorGasLimit


Added the chaindatafetcher option in KSEN. (#1347 #1344)

Fixes

Introduced a new value transfer event RequestValueTransferEncoded supporting URI of ERC-721 in the BridgeTransfer contract. (#1321 #1378)

Miscellaneous

Minor refactorings. (#1285 #1262)

Binaries
Linux: kcn kpn ken kscn kspn ksen kbn kgen homi 
Darwin: kcn kpn ken kscn kspn ksen kbn kgen homi 
Baobab-linux: kcn kpn ken 
Baobab-darwin: kcn kpn ken
What's Changed

[Master] release/v1.8.4 QA Sign-off by @circleci-klaytn in https://github.com/klaytn/klaytn/pull/1384

Full Changelog: https://github.com/klaytn/klaytn/compare/v1.8.3...v1.8.4