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Mainnet Release 4.0.0
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@github-actions github-actions released this 06 Apr 04:35
v4.0.0
7875921
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Mainnet Release v4.0.0

This is a major release of the Harmony protocol software.
It is a mandatory upgrade.

The upgrade will require a hard fork of the protocol at Epoch 530, which is around 4/13/2021 2 pm UTC.

All validators have to upgrade the nodes before Epoch 530.

Major changes included in this release.

  • lower the voting power of internal nodes from 68% to 60%. Harmony internal nodes are no longer the majority of the protocol.
  • increase external validator slots from 640 to 800. This will likely lower the EMS (effective median stake) of the protocol from ~6M to ~5M.
  • fix a loophole of early undelegation.
  • streaming-based state syncing rollout phase 1 to enable server-side support.
  • various bug view change bug fixes.
  • consensus and verification optimizations.
  • graph protocol support in explorer node.

The released version: v4.0.0-0-g78759217

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