Worked on stabilizing Neovim’s Treesitter integration in the MeanderingProgrammer/neovim repository by addressing a redraw issue affecting virtual lines. Focused on Lua-based nvim plugin development, the work involved expanding the redraw range to ensure virtual text refreshed correctly when lines containing it were deleted. This targeted bug fix eliminated a visual glitch, improving rendering stability and the overall editing experience for developers using Treesitter-powered features. The solution was delivered as a clear, maintainable patch with traceability to a specific issue, demonstrating careful debugging and a methodical approach to enhancing code quality and reliability within the Neovim rendering pipeline.