The November 21, 2025, development report highlights a mainnet chain partition caused by a malformed transaction, which was resolved with hotfix node v.10.5.3. The ledger team defined sub-transactions for the Dijkstra era, while the Plutus team finalized costing for Value primitives for the upcoming hard fork. Lace v.1.31 was released with in-wallet token swaps and Bitcoin wallet support. Mithril completed the first phase of decentralizing configuration parameters.

The November 14, 2025, development report highlights the consensus team addressing 'bufferbloat' issues from the Leios demo and enhancing resource management. Scaling updates include Mithril releasing hotfix 2543.1 and Hydra improving partial fanout and introducing 'SafeClose' safety features. Intersect announced election results with high turnout. Project Catalyst Fund15 launched, introducing a new "Midnight: Compact DApps" category alongside three Cardano-focused funding tracks. The education team is conducting a developer course in Buenos Aires.

The November 07, 2025, development report highlights the Plutus team's hosting of UPLC 2025 and the addition of a new scaleValue primitive for the upcoming intra-era hard fork. Scaling updates include Mithril's release of distribution 2543.0 with enhanced database restoration and the Hydra team's v1.1.0 release. Intersect committee election voting concluded, with results expected on November 14. Ecosystem news features the Ouroboros Phalanx upgrade and a new Compact DApps category for Catalyst Fund15.

The October 31, 2025, development report highlights the Hydra v1 announcement, marking the protocol as production-ready. The ledger team also finalized CIP-118 (nested transactions/Babel fees). IOG published a deep dive on Ouroboros Phalanx, a mechanism to deter grinding attacks, and the consensus team showcased a Leios prototype. Intersect committee elections are underway, and Project Catalyst Fund15 is set to launch on November 5.

The October 24, 2025, development report highlights ecosystem growth to 2,014 projects and the Cardano Foundation's plan to apply for .ada and .cardano gTLDs. Wanchain launched a bridge to Sonic. The Mithril team advanced incremental snapshots and configuration decentralization. Intersect committee election voting is set to begin October 27, and Project Catalyst announced Fund15 will launch on November 5.

The October 17, 2025, development report highlights the Hydra team's release of version 1.0.0. The consensus team advanced the Leios CIP, while the performance team benchmarked node v.10.6 and the LSM-tree backend. The Plutus team finalized the implementation of CIP-0153, introducing the Value built-in type. In the ecosystem, Project Catalyst Fund14 voting concluded, and the Cardano Foundation launched its Summit 2025 PR campaign.

The October 10, 2025, development report highlights steady ecosystem growth, with transaction volume reaching 114.56 million and an increase in active DReps. The IOG team concluded its Asia tour in Tokyo. Yoroi wallet launched v6.0, integrating DexHunter and Minswap. Additionally, Midnight Network partnered with CSWAP to develop privacy-first DeFi solutions, and the Hydra-node v1.0.0 pre-release is now available on GitHub.

The September 12, 2025, development report highlights the ledger team's progress on CIP-112 and features for the next intra-era hard fork. The first fully community-elected constitutional committee is now in place. In scaling, the Mithril team updated the DMQ protocol CIP. Ecosystem news includes the release of Yoroi Extension v.5.13.0 and new partnerships for Sundial Protocol and Midnight Network.

The September 26, 2025, development report highlights the consensus team's work on the KES agent audit and refactoring the hard fork combinator to be Peras-aware. The Plutus team is preparing for the intra-era hard fork by enabling sums-of-products and built-in functions across all Plutus versions. In the ecosystem, IOG announced a partnership with zkFold to build a trustless ETH-Cardano bridge, while Minswap's "Wen" token generator is now live.

The September 19, 2025, development report highlights the consensus team drafting an architectural design for Leios (CIP-0164). The Plutus team progressed on implementing the Value built-in type (CIP-0153) and merged multi-scalar multiplication primitives for the next hard fork. In scaling, the Mithril team created a new pre-release, supported Cardano node v.10.5.1, and completed a SNARK proving circuit prototype. IOG also kicked off its 2025 Asia tour.