January 2026 focused on strengthening Scala 3 documentation through two high-impact features aimed at improving developer clarity and cross-version consistency. Delivered: (1) Scala 3 Array documentation enhancement with a dedicated Array section detailing mutability, indexing, fixed size, and practical examples; removed outdated Vector reference from the Array update example to reduce confusion. (2) Scala 3 Custom control structures documentation update across Scala 2 and Scala 3, introducing new features like boundary and break, with formatting and tab improvements for better readability. No core defects fixed this month; emphasis was on documentation quality, maintainability, and user onboarding. Result: clearer guidance for Scala 3 collections users, improved cross-version alignment, and reduced ambiguity in examples. Skills demonstrated: technical writing, content design for multi-version docs, code-example curation, and commit hygiene; tracked via two commits.