During September 2025, Isabel Rose developed and integrated a new Catppuccin color theme for Neovim within the catppuccin/userstyles repository, focusing on visual consistency and user experience. She implemented the theme using LESS and configured it through userstyles.yml, ensuring cohesive styling across deployments. In the lazyvim/lazyvim repository, Isabel addressed compatibility issues caused by API changes, fixing the Catppuccin integration and correcting LSP diagnostics underline styling as well as bufferline theme retrieval. Her work demonstrated proficiency in CSS preprocessing, Lua, and front end development, resulting in improved UI reliability and smoother onboarding for Neovim users. The contributions were focused and well-scoped.