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Weekly development report as of 2023-02-03
Olga Hryniuk
DevelopmentWeekly development updates+ 1

Weekly development report as of 2023-02-03

CORE TECHNOLOGY This week, the teams continued preparing for the upcoming Valentine (SECP) upgrade. Last week, the teams released a new node v.1.35.5, followed by the Rosetta v.2.1.0 release. For the latest progress, track this upgrade readiness page and see the compatibility matrix to stay up to date with the latest releases. As always, see this technical...
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Weekly development report as of 2023-01-27
Olga Hryniuk
DevelopmentWeekly development updates+ 1

Weekly development report as of 2023-01-27

CORE TECHNOLOGY This week, the ledger team completed some preliminary groundwork in preparation for CIP-1694, fixed the PDF hosting problem with formal specifications, and continued working on the new user-friendly ledger API. The team also finished a proof of concept of constraint-based generators for running property tests, which should hopefully replace ...
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Weekly development report as of 2023-01-20
Olga Hryniuk
Weekly development updatesDevelopment+ 1

Weekly development report as of 2023-01-20

CORE TECHNOLOGY Over the past two weeks, the ledger team finalized work on tracking individual depots, built out the new Conway era transaction body (in line with CIP-1694), significantly reduced some problematically large calculations on the epoch boundary, and addressed technical debt. The system test team worked on the test framework improvements and ra...
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Weekly development report as of 2023-01-13
Olga Hryniuk
Weekly development updatesDevelopment+ 1

Weekly development report as of 2023-01-13

CORE TECHNOLOGY This week, the consensus team focused on cleaning up and benchmarking the UTXO-HD prototype. They also discussed with the ledger team the changes that might be required for the next prototype iterations. The pull request that adds the Conway era is in review to be merged soon. On the technical debt side, the team looked into a property-test ...
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Weekly development report as of 2022-12-16
Olga Hryniuk
Weekly development updatesDevelopment+ 1

Weekly development report as of 2022-12-16

Dear community members, please note that this is the last development update before the holiday period. We wish you joyful holidays ahead and will be releasing more updates on January 13, 2023. CORE TECHNOLOGY This week, the networking team focused on preparing the conference speech at OPODIS 2022 and on the publication of io-sim and related packages on Ha...
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Weekly development report as of 2022-12-09
Olga Hryniuk
Weekly development updatesDevelopment+ 1

Weekly development report as of 2022-12-09

CORE TECHNOLOGY This week, the core technology teams continued working on ledger, consensus, and networking improvements.  The DB Sync team also worked on a 13.1.0.0-rc2 release, which includes many DB Sync improvements, makes rollbacks and synchronization faster, simplifies schemas, fixes several bugs, and introduces migrations. This release finalizes the...
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Weekly development report as of 2022-12-02
Olga Hryniuk
Weekly development updatesDevelopment+ 1

Weekly development report as of 2022-12-02

CORE TECHNOLOGY Over the past couple of weeks, the networking team worked on the stake-driven data diffusion release for relays with robust and optimized peer selection, also known as P2P. It has been determined that the earlier communicated performance regression affects block producers only, so running this release on such nodes is not recommended. Furthe...
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Weekly development report as of 2022-11-25
Olga Hryniuk
Weekly development updatesDevelopment+ 1

Weekly development report as of 2022-11-25

CORE TECHNOLOGY This week, the ledger team released CIP-1694 for entering the Voltaire phase, and the community is encouraged to participate in its review and discussions. The team also found a way to version all serialization schemes in the ledger and merged the corresponding pull request.  The node team is collaborating with other teams working on releas...
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Weekly development report as of 2022-11-18
Olga Hryniuk
Weekly development updatesDevelopment+ 1

Weekly development report as of 2022-11-18

CORE TECHNOLOGY During the past two weeks, the ledger team made significant progress on the new versioning of CBOR serialization, which resolves numerous serialization issues lingering since the Shelley era. This work is now in review and will also require effort to integrate new serialization with downstream components. They also made a new CIP proposing a...
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Weekly development report as of 2022-11-11
Olga Hryniuk
Weekly development updatesDevelopment+ 1

Weekly development report as of 2022-11-11

CORE TECHNOLOGY This week, the core technology teams continued working on ledger, consensus, and networking improvements. IOG engineering teams are driving forward the open-source approach to sharing Cardano updates and are defining the libraries to be shared with the community. This is an ongoing process, but more teams are collaborating to share their w...
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Weekly development report as of 2022-11-04
Olga Hryniuk
Weekly development updatesDevelopment+ 1

Weekly development report as of 2022-11-04

CORE TECHNOLOGY During the past two weeks, the consensus team continued working on UTXO HD prototype testing. They completed work on era transitions and backing store tests, and are steadily advancing mempool tests. The team collaborated with the research and networking teams on the Genesis design.  Finally, they kept investigating strategies for improving...
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Weekly development report as of 2022-10-28
Olga Hryniuk
Weekly development updatesDevelopment+ 1

Weekly development report as of 2022-10-28

CORE TECHNOLOGY This week, the teams continued working on the node, ledger, consensus, and networking improvements. For a detailed overview, see this technical development report. WALLETS AND SERVICES  This week, the Daedalus team increased the minimum required disk space and released a new Daedalus pre-production version after the network respin.  Work...
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Weekly development report as of 2022-10-21
Olga Hryniuk
Weekly development updatesDevelopment+ 1

Weekly development report as of 2022-10-21

CORE TECHNOLOGY This week, the ledger team continued addressing technical debt. The infrastructure for serialization schemes versioning is now in place. They took the first steps towards implementing proper support for the formal ledger repository, particularly by adding Nix builds and continuous integration support. They are now finalizing an investigation...
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Weekly development report as of 2022-10-14
Ivan Irakoze
Weekly development updatesDevelopment+ 1

Weekly development report as of 2022-10-14

CORE TECHNOLOGY This week, the teams continued working on the node, ledger, consensus, and networking improvements. For a detailed overview, see this technical development report. WALLETS AND SERVICES This week, the Daedalus team added the latest cardano-wallet version to the upcoming release, which solves the minimum fee calculation issue.  Work is ong...
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Weekly development report as of 2022-10-07
Olga Hryniuk
Weekly development updatesDevelopment+ 1

Weekly development report as of 2022-10-07

CORE TECHNOLOGY This week, the consensus team worked on improving the performance of the ChainSync jumping logic, which is needed for Genesis. They also rewrote the mempool implementation in the UTXO HD prototype that solved the issues preventing the team from running system-level benchmarks. Finally, the team improved the implementation of the sequence of ...
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Weekly development report as of 2022-09-30
Olga Hryniuk
Weekly development updatesDevelopment+ 1

Weekly development report as of 2022-09-30

CORE TECHNOLOGY Following the Vasil upgrade triggered on September 22, the new Vasil capabilities became available on the Cardano mainnet on September 27. Developers can now use the Plutus V2 cost model, reference inputs, inline datums, and reference scripts, which boost DApp development and performance in terms of transaction size reduction, throughput, an...
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Weekly development report as of 2022-09-23
Olga Hryniuk
Weekly development updatesDevelopment+ 1

Weekly development report as of 2022-09-23

CORE TECHNOLOGY This week on September 22, IOG together with Cardano Foundation triggered the hard fork combinator event to deploy Vasil at the protocol level. Full Vasil functionality, which includes support for reference inputs, inline datums, reference scripts, collateral outputs, and a new Plutus cost model, will become available to developers on mainne...
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Weekly development update as of 2022-09-16
Ivan Irakoze
CardanoWeekly development updates+ 5

Weekly development update as of 2022-09-16

CORE TECHNOLOGY This week, the node, ledger, and consensus teams continued preparing for the Vasil upgrade. The PreProduction environment will hard fork on the 19th, before the mainnet hard fork on the 22nd. The new node v.1.35.3 currently mints over 95% of SPO blocks, with the leading DApp projects also on track for the upgrade. Exchange liquidity is aro...
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Weekly development update as of 2022-09-09
Olga Hryniuk
Weekly development updatesDevelopment+ 1

Weekly development update as of 2022-09-09

CORE TECHNOLOGY This week, the node, ledger, and consensus teams continued preparing for the Vasil upgrade.  Last Friday, the team announced that the Vasil hard fork would be triggered on September 22, which means that the Vasil capability will become available at the start of epoch 366 on September 27. In preparation for the hard fork, DApp projects, exc...
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Weekly development report as of 2022-09-02
Olga Hryniuk
Weekly development updatesDevelopment+ 2

Weekly development report as of 2022-09-02

CORE TECHNOLOGY This week, the node, ledger, and consensus teams continued preparing for the Vasil upgrade.  Multiple stakeholders, including SPOs, exchanges, and DApp projects are upgrading their nodes, testing their code and other Cardano components ahead of the Vasil upgrade. To trigger the mainnet upgrade, IOG and the Cardano Foundation are targeting t...
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