During April 2025, Mateusz Bieniek developed the Archived Content Grace Period feature for the ibexa/core repository, addressing reliability issues during content archiving. He introduced a configurable grace window that keeps content accessible when updates occur mid-request, reducing the risk of 500 errors and improving user experience during state transitions. His work involved updating the PHP persistence layer to honor the grace period, designing configuration options for flexible rollout, and implementing comprehensive integration tests to validate behavior across realistic scenarios. Mateusz applied his expertise in API development, backend development, and database interaction, delivering a focused, maintainable solution to a nuanced workflow challenge.