During December 2025, Shtetldik focused on backend development for the MeanderingProgrammer/neovim repository, addressing a cache pollution issue related to AppImage paths in the Neovim loader. By implementing path normalization in Lua, Shtetldik ensured that randomized AppImage file paths no longer caused duplication in Neovim’s file cache or Lua loader bytecode cache. This targeted bug fix improved cache determinism and enhanced startup reliability for Neovim in AppImage environments. The work demonstrated a deep understanding of Lua scripting and cache management, delivering a robust solution that strengthened cache hygiene and maintained consistent behavior across different deployment scenarios within the project.