In March 2026, Hansel Kansam focused on backend development for the facebook/pyrefly repository, addressing a critical bug affecting notebook workflows. He resolved an issue where import quick-fixes were incorrectly inserted into the first cell of a notebook, instead ensuring imports appear at the top of the currently active cell to match language server expectations. Working primarily in Rust, Hansel implemented and validated the new insertion logic through end-to-end and unit tests, including integration with the language server protocol. This targeted fix improved the reliability and accuracy of auto-import features in multi-cell notebooks, enhancing the overall developer experience and workflow.