Simon Ernst developed and released a new formula for ctags-lsp in the gittools-bot/homebrew-core repository, enabling language server protocol features for code editors by integrating universal-ctags as a backend. His work focused on packaging and distributing ctags-lsp 0.10.0 through Homebrew Core, streamlining installation and updates for end users. Simon utilized Ruby for formula development and applied his expertise in package management and software development to ensure compatibility and maintainability within the Homebrew ecosystem. The project addressed the need for accessible LSP tooling in editors, delivering a focused, well-scoped feature without introducing bug fixes during the development period.