Month: 2026-04 | Repository: cosmos/cosmos-sdk | Focus: migration framework development, POA module export enhancements, parameter validation, and block query stability. Key deliveries and outcomes: Key features delivered - POS to POA Migration Framework and POA Module Export Enhancements: Implemented a migration path from Proof-of-Stake to Proof-of-Authority, including a transitional SimApp capable of reading pre-upgrade POS state and executing upgrade handlers. Enhanced POA export to correctly retrieve and format genesis validators and strengthen validator metadata validation, including moniker/description length constraints. Commits: 1f80b28e56b9f8d41f4cb1c1e331b88717581318; cccb296db39522845733b3b8abaef5a099cc0cbe. Major bugs fixed - Admin Parameter Update Validation for Uninitialized State: Fixed a regression by ensuring admin parameters are properly validated and handled when uninitialized, preventing update-time errors. Commit: 1252a345a4804a75a40daa8fc8b1c0f33cb7ff2c. - Block Query Transaction Limit Alignment: Adjusted the block query TX limit to the actual number of transactions in the block to prevent over-requests. Commit: d82055baf5fedcad641356d910952c23939b2876. Overall impact and accomplishments - Improved upgrade readiness and data integrity: robust POS→POA migration path, accurate genesis validator export, and strict metadata validation reduce upgrade risk and misconfigurations. - Enhanced reliability for gateway operations: corrected query limits ensure API clients never request more transactions than exist, reducing failures and retries. - Clear traceability and accountability: commits tied to concrete improvements enable precise audits and faster maintenance. Technologies/skills demonstrated - Go/SDK upgrade tooling, SimApp integration for upgrade scenarios - Genesis export logic and validator metadata validation - Regression testing mindset and precise state handling during upgrades Business value - Accelerates safe protocol upgrades with a clearly defined migration path and validated validator data. - Improves runtime reliability and API correctness, reducing test-failures and operational risk during upgrades.

March 2026 (2026-03) – Cosmos SDK: delivered stability, governance integrity, and maintainability improvements. Key features include centralized authority management for on-chain consensus parameters and POA governance auto-deletion of votes after tally. Major refactors across governance/consensus/fee distribution, enhanced CI, and expanded tests. Fixed a critical race condition in the block-stm executor loop to ensure cancellation is respected and tasks execute reliably under high contention. These changes reduce operational risk, improve voting integrity, and tighten parameter governance with clearer ownership and overrides.

February 2026 (2026-02) monthly development summary for cosmos-sdk. Focused on delivering performance, reliability, and maintainability improvements. Key outcomes include two new features and a targeted refactor that strengthen event handling and system resilience under load.

Monthly work summary for 2026-01 focusing on key accomplishments in cosmos/cosmos-sdk. The month centered on a critical bug fix in staking authorization grants to treat validator addresses case-insensitively, enhancing reliability of authz flows in staking.