Supports without auto updating them and along with other annoyances: https://news.ycombinator.com/item?id=43793016 . VSCodium [1] has much better UX than Theia IDE, IMHO.
Zed is almost a good solution but like most they are missing most of vscodes markdown editing features*. Also, right now there's no way to hide the sign in and ai buttons from the UI.