May 2026 monthly summary for starkware-libs/cairo: Focused on improving the API deprecation experience for index traits. Delivered updated deprecation guidance that references public operation paths, enabling faster, safer migrations for developers updating from deprecated features. The work is supported by a single documentation commit (c02125af3d2d72a86b05b096ceb2cea5f0071c75) with message 'docs(corelib): use public ops paths in index deprecation notes (#9915)'. No critical bugs fixed this month; the emphasis was on documentation and developer guidance to reduce future support load and accelerate adoption. Overall impact: clearer migration path, reduced onboarding time for Cairo users, and stronger alignment between deprecation notes and public APIs. Technologies/skills demonstrated: documentation modernization, deprecation strategy, and disciplined commit hygiene.

Delivered a critical correctness fix in the Execution Cache for paradigmxyz/reth. Fixed double-decrement of the account cache size when destroyed accounts are not cached, and added tests to ensure the cache size remains zero for such accounts. Strengthened test coverage and validated via CI to improve reliability of the execution engine.

Month: 2025-12 summary for CosmWasm/cosmwasm focusing on documentation quality and developer experience. Delivered a feature that clarifies grammar and clarity of Int type documentation across Int128, Int256, Int512, and Int64. Implementation relied on a single commit to update comments and improve consistency across the numeric type docs.

Month: 2025-11 - CosmWasm/cosmwasm Key features delivered: - Decimal and Decimal256 documentation improvements: corrected typos in implementation comments and in documentation files to improve clarity for users and developers. Commits: f4b890e3c01264fa84dc1ae57b22d48869332599; fb16db5fffccfdcfb1eb09c387eae7c4ba7b42c1 Major bugs fixed: - No functional bugs fixed this month; focus was on documentation typo fixes to reduce confusion for users and developers. Overall impact and accomplishments: - Improved documentation clarity and accuracy for core numeric types (Decimal and Decimal256), enhancing onboarding, reducing misinterpretation, and aiding maintainability. Technologies/skills demonstrated: - Documentation hygiene and best practices in Rust, doc comments, and cross-file consistency; attention to detail; contributor hygiene.