During August 2025, Veluca developed experimental support for the unsafe_force_target_feature attribute in both the rust-lang/rust and rust-lang/miri repositories. Focusing on compiler development and attribute parsing in Rust, Veluca introduced parsing logic and processing adjustments to enable more granular control over #[target_feature] usage in unsafe contexts. In Miri, Veluca extended this attribute and refined feature filtering to distinguish between implied and explicitly forced target features, supporting experimental feature testing for target-specific optimizations. The work demonstrated a deep understanding of Rust internals and cross-repository consistency, resulting in robust infrastructure for controlled experimentation with compiler and interpreter feature sets.