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Changelog
Hyperledger Fabric is an enterprise-grade permissioned distributed ledger framework for developing solutions and applications. Its modular and versatile design satisfies a broad range of industry use cases. It offers a unique approach to consensus that enables performance at scale while preserving privacy.
Operators that deploy BFT Fabric nodes are encouraged to upgrade to v3.1.1.
Fabric v3.1.1 has been tested with the following dependencies:
Fabric docker images on docker.io and ghcr.io utilize Ubuntu 24.04.
See the v3.0.0 release notes for changes and removals between Fabric v2.x and Fabric v3.x.
Block dissemination via gossip is deprecated and may be removed
Block dissemination via gossip is deprecated and may be removed in a future release. Fabric peers can be configured to receive blocks directly from an ordering service node, and not gossip blocks, by using the following configuration:
peer.gossip.orgLeader: true
peer.gossip.useLeaderElection: false
peer.gossip.state.enabled: false
peer.deliveryclient.blockGossipEnabled: false