Contributor Meetings 2023

January 11, 2023

February 8, 2023


March 8, 2023

  • Fabric recent releases
    • Fabric v2.2.10 LTS – dependency updates
    • Fabric v2.4.9 – fixes including orderer cert renew without system channel


  • Next Fabric release – v2.5.0-beta available


  • Fabric v3 development - SmartBFT
    • First pass of end-to-end integration merged in main branch, working on docs and sample for an early tech preview release - v3.0.0-preview?
    • Then will tackle some of the larger refactoring around “inversion of control” for orderer binaries per consensus algorithm (Raft, SmartBFT)
    • Need to address Raft CI failures in unit tests and integration tests




April 5, 2023

  • Fabric v2.5.0 released
    • Purge history of private data
    • Dependency updates
    • ARM binaries and images (relief for M1!) - same updates in Fabric CA v1.5.6
    • Current LTS release - Users should evaluate upgrade from prior v2.2 LTS release



  • Current Fabric priorities
    • v2.2.11 - Update Go to v1.20; update other dependencies for prior LTS release
    • v3.0 preview for SmartBFT - Create usage documentation and sample
    • Fix Raft unit test and integration test CI flake failures
    • fabric-samples and fabric-test CI streamlining - reduce redundant tests
    • New issue template - https://github.com/hyperledger/fabric/issues/4143


  • Admin SDK
    • Call for test and feedback
    • Prepare 1st release if there is no further feedback after close #105 and #100
    • Question as #105, for external chaincode service, should we use ccaas or external as type in metadata.json?


May 3, 2023

  • Fabric releases
    • Fabric v2.2.11 released - update to Go 1.20.3 and other dependencies to resolve vulnerabilities (prior LTS release)
    • Fabric v2.5.1 released - update to Go 1.20.3 (current LTS release)


  • Current Fabric priorities
    • v3.0 preview for SmartBFT - Create usage documentation and sample
    • Fix Raft unit test and integration test CI flake failures
    • fabric-samples test-network-k8s - Tatsuya Sato volunteered to fix issues with v2.5 and maintain going forward
    • Improve CI time
      • Trial of large runners in fabric and fabric-samples main branches working well - no queueing, faster execution
      • fabric-samples and fabric-test CI streamlining - reduce redundant tests


  • Admin SDK
    • Call for test and feedback
    • Prepare 1st release with #121 leaving #100 as open question. 
    • #122 for 2nd version planning.


May 31, 2023

  • Fabric releases
    • Fabric v2.5.2 coming soon - fixes and update to Go 1.20.4 (current LTS release)


  • Current Fabric priorities
    • v3.0 preview for SmartBFT - Create usage documentation and sample
    • Fix Raft unit test and integration test CI flake failures
    • fabric-samples test-network-k8s - DONE - Updated to v2.5, thanks to new fabric-samples maintainer Tatsuya Sato!
    • Improve CI time
      • Trial of large runners in fabric and fabric-samples main branches working well - no queueing, faster execution
      • fabric-samples and fabric-test CI streamlining - reduce redundant tests



June 28, 2023 - Meeting cancelled this month


July 19, 2023

  • Fabric releases
    • Fabric v2.2.12 - June 2 (prior LTS release)
      • Fix private data collection update during state database rebuild
    • Fabric v2.5.3 - June 14 (current LTS release)
      • Fix deadlock can occur on orderer startup while applying raft configuration changes
      • Go 1.20.5
    • Fabric v2.5.4 - Coming Soon



  • Current Fabric priorities
    • v3.0 - preview for SmartBFT - Create usage documentation and sample
    • v3.0 - ledger block cache
    • Fix Raft unit test and integration test CI flake failures
    • fabric-ca - fix CI issue
    • Hyperledger Fabric Certified Practitioner - Exam is being created - any volunteers to draft questions?



  • Admin SDK
    • Draft release for fabric-cli investigation 
    • issue found


  • fabric 2.5 i18n zh document


August 16, 2023

  • Recent Fabric releases
    • Fabric v2.2.13 - August 2 (prior LTS release)
      • cert sanitization error checking
      • Go 1.20.6
    • Fabric v2.5.4 - August 2 (current LTS release)
      • Fix orderer startup issue - raft wal: max entry size limit exceeded
      • cert sanitization error checking
      • Go 1.20.6


  • Fabric v3.0 work items
    • Preview release for SmartBFT
      • Create usage documentation and sample
    • Finalize SmartBFT for eventual production GA release
      • Byzantine block puller for the peer and the orderer

      • Improved transaction pool for SmartBFT

      • Unit test coverage for SmartBFT chain

      • Integration test coverage for SmartBFT orderer

    • Ledger block cache PR to improve performance
    • Plan for other v3.0 changes, e.g. removal of old lifecycle, removal of gossiping of blocks


  • Admin SDK
    • 1.0 released with feature which integrated with test-network with code as e2e test in golang as implementation.
    • Fabric cli integration and bug fix?
    • Open to any integration with tools as either operator or anything you want.



September 13, 2023

  • Recent Fabric releases
    • Fabric v3.0.0-preview - September 1
      • SmartBFT technical preview
      • See mailing list announcement for details
    • Fabric CA v1.5.7
      • IdentityMixer revocation enhancements
      • Go v1.20.5


  • Fabric v3.0 work items
    • Finalize SmartBFT for eventual production GA release
      • Byzantine block puller for the peer and the orderer

      • Improved transaction pool for SmartBFT

      • Unit test coverage for SmartBFT chain

      • Integration test coverage for SmartBFT orderer

    • Plan for other v3.0 changes, e.g. removal of old lifecycle, removal of gossiping of blocks
    • Fix Raft unit test and integration test CI flake failures
    • fabric-samples CI test failures


  • Admin SDK
    • update with test guidance wiki as link




October 11, 2023

  • Upcoming Fabric releases
    • Fabric v2.2.14, v2.5.5
      • Go 1.21
  • Admin SDK



November 8, 2023

  • Recent Fabric releases
    • Fabric v2.2.14, v2.5.5
      • Go 1.21
      • Additional block validations
  • Fabric v3.0 work items
    • Finalize SmartBFT for eventual production GA release
      • Byzantine block puller for the peer and the orderer

      • Improved transaction pool for SmartBFT

      • Unit test coverage for SmartBFT chain

      • Integration test coverage for SmartBFT orderer

    • Transition from github.com/pkg/errors
    • Plan for other v3.0 changes, e.g. removal of old lifecycle, removal of gossiping of blocks
  • Admin SDK
  • Fabric Ecosystem update





December 6, 2023

  • Fabric v3.0 work items
    • Finalize SmartBFT for eventual production GA release
      • Byzantine block puller for the peer and the orderer - Yoav

      • Improved transaction pool for SmartBFT - Hagar

      • Unit test coverage for SmartBFT chain - Emil

      • Integration test coverage for SmartBFT orderer - May, Arkadi

      • Migration from Raft to SmartBFT - Yacov, May, Yoav
      • Inversion of control - one binary per consensus algorithm - Deferred from v3.0
    • Transition from github.com/pkg/errors
    • Plan for other v3.0 changes, e.g. removal of old lifecycle (started), removal of gossiping of blocks (likely deferred)
  • Other
    • RFC to extend queryapproved function for all chaincodes - Approved
    • CI - Azure Pipelines migration to GitHub Actions - final repository is fabric-test, some tests will be retired
    • Hyperledger Member Summit APAC was held





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