During January 2025, Sinrega modernized error handling in the containers/libkrun repository, focusing on memory access and event polling code paths. Using Rust and system programming expertise, Sinrega refactored the codebase to adopt the ? operator for concise error propagation and leveraged is_ok_and for more idiomatic conditional checks. Guided by the latest clippy suggestions, these changes reduced boilerplate and improved code readability and maintainability. Although no major bugs were addressed, the targeted refactor enhanced code reliability and positioned the project for faster future development, making it easier for new contributors to onboard and work with the updated Rust codebase.