Kile is based on libktexteditor like kate; kate implements support for Language Server Protocol. For LaTeX, there is texlab, a cross-platform implementation of the language server protocol providing rich cross-editing support for the LaTeX typesetting system. There are also two servers for languagetool support: - languagetool-languageserver - ltex With this new feature Kile would become the first LaTeX code editor to implement LSP support and thus offer all these improvements in LaTeX code writing. Thank you very much for your great project and your work.