June 2025 monthly summary for repository cplusplus/draft: Delivered core support for std::optional<T&>, including a partial specialization for optional<T&> with constructors, assignment operators, monadic operations, and guidance on valid contained types. Updated macro definitions for freestanding optional features and refined documentation for Optional types to aid adoption and safe usage. This work aligns with P2988R12 std::optional<T&> and is tracked by the associated commit references. Impact: enhances API safety and flexibility for optional references, enabling broader use in the standard library draft. Technologies demonstrated: C++ template specialization, macro-driven feature toggling, and API documentation/standards drafting.