Alexey enhanced syntax highlighting for the Unison Vim editor in the unisonweb/unison repository, focusing on improving code readability and developer productivity. Using Vimscript and leveraging skills in syntax highlighting and Vim scripting, Alexey addressed naming conflicts within highlighting groups to prevent false positives and improve editor stability. The work extended highlighting coverage to type definitions and expressions, allowing Unison developers to more easily distinguish language constructs while editing code in Vim. Although the contribution was limited to a single feature over one month, the changes demonstrated a thoughtful, language-aware approach to editor customization, directly supporting more accurate and efficient coding workflows.