To complement your answer, usually people want tree-sitter not only for smart selections, but because of syntax highlighting.
Kakoune has the best of both worlds: https://github.com/kak-lsp/kak-lsp supports semantic highlights from LSP servers, but we also have projects like https://github.com/phaazon/kak-tree-sitter in case you want highlighting from tree-sitter.
To complement your answer, usually people want tree-sitter not only for smart selections, but because of syntax highlighting.
Kakoune has the best of both worlds: https://github.com/kak-lsp/kak-lsp supports semantic highlights from LSP servers, but we also have projects like https://github.com/phaazon/kak-tree-sitter in case you want highlighting from tree-sitter.