v3.9.2-alpha.2
feat(core): Docusaurus Faster is stable + v4 future flag turns it on by default (#11802)
misc: make copyUntypedFiles work for watch mode (#7445)
chore: rename v2.docusaurus.io urls after domain switch + redirect + cleanups (#4490)
chore: simplify TypeScript configs, use TS 5.5 configDir placeholder (#10256)