Release Mainnet Release v4.3.4 · harmony-one/harmony · GitHub is now the latest recommended version for all validator and RPC node runner. This is a mandatory update to enable the Metamask Staking feature at epoch 871 (expected to happen 11 Feb 2022). Failing to do so and your node may end up stuck at epoch 870. Take note that v4.3.4 include the feature of v4.3.3 release so feel free to go through the release note as well : Release Mainnet Release 4.3.3 · harmony-one/harmony · GitHub
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