February 2026 monthly summary focusing on business value and technical achievements across the Sovereign SDK and CometBFT repos. Key features delivered: - NOMT Storage Page Cache Upper Level Configuration: Added user_page_cache_upper_levels and kernel_page_cache_upper_levels to RollupDbConfig to tune NOMT page cache upper levels for high-RAM environments. Propagated values through the NOMT options builder; updated Rollup configuration schema; updated tests/snapshots and changelog. Commit: 1039197c0d4d33393205049cb98b05687525695e. Major bugs fixed: - Determinism fix for ProposerPriorityHash encoding: Corrected buffer offset inside the encoding loop to ensure each validator’s ProposerPriority is included, eliminating hash collisions and restoring determinism in validator set hashing. Regression test added (TestValidatorSet_ProposerPriorityHash_Repro). Commit: 64857fd7c776fa1132bef038af23c9d3c6453d22. Overall impact and accomplishments: - Improved operator tunability and storage performance for NOMT in high-RAM deployments, enabling better resource utilization and performance. - Strengthened consensus reliability and reproducibility through the ProposerPriorityHash fix, preventing cross-validator state inconsistencies. - Comprehensive code health improvements: updated changelogs, documentation, and tests across both repos; ensured CI visibility of the changes. Technologies/skills demonstrated: - Go: robust fix in ProposerPriorityHash and test coverage in CometBFT. - Config/schema management: RollupDbConfig enhancements and schema updates for NOMT tuning. - Testing and quality: regression tests, snapshot updates, and changelog entries; cross-repo coordination.

January 2026 performance highlights focused on reliability, compatibility, and governance safety across three Cosmos ecosystem projects. Delivered a comprehensive test suite for TotalVotingPowerSafe (cometbft/cometbft) to improve reliability with table-driven coverage and modern Go practices; enabled portable mode for the blst library to prevent crashes on older CPUs (cosmos/gaia) via runtime CPU checks and build flags; added staking denomination validation (cosmos-sdk) to ensure bond_denom exists and has non-zero supply before parameter updates, reducing governance risk. These changes were complemented by targeted tests and build/config adjustments, reinforcing code quality, and demonstrating Go, testing, CGO, and defensive validation capabilities. Overall impact: higher reliability, broader hardware compatibility, and safer governance operations.