You can support .so extensions if you want, but it has to be secondary to a scripting language. Most extensions don't need raw performance, but an editor needs

You can support .so extensions if you want, but it has to be secondary to a scripting language. Most extensions don't need raw performance, but an editor needs those extensions. An entry barrier as low as possible is needed to reach the critical mass of third-party extensions that turn an editor into something worthwhile.