During January 2026, this developer contributed to the OpenXiangShan/XiangShan repository by overhauling the backend instruction dispatch system using Scala and hardware description languages. They replaced the DynInst mechanism with EnqRobUop across core dispatch modules, stabilizing and standardizing instruction flow. To improve initialization safety, they shifted from broad assignments to explicit field-by-field initialization, reducing potential hazards. The developer also enhanced code maintainability by removing duplicate imports and redundant dispatch items, resulting in cleaner, more robust code. Their work spanned multiple files, including Bundles.scala and NewDispatch.scala, demonstrating a focused approach to backend development and hardware design challenges.