> It certainly isn't the case that engineering is "done" either, as the open bug count is growing constantly and huge swathes of the software aren't maintained and don't even have maintainers[2].
They're not "moving" to Vue. They plan to build some optional JS-based components on Vue, since the alternative of purely handcrafted code is unappealing. And even then, that code can probably be refactored to use the vastly superior Svelte once the dev team's weird hostility to workflows based on ahead-of-time code generation is addressed.
Wikipedia is moving to Vue.