# Calendar.vue: week-starts-on Prop - unexpected Behavior depending on locale
Types Error for types exported from external libraries.
types3.xpending triageupstream
Built-in typechecking fails on `[email protected]`
pending triagepossible regression
`typescript.typeCheck` breaks hmr updates, Nuxt 4.1.1
pending triage
Typechecking issue after Nuxt upgrading 3.9 -> 3.10
types3.xpending triage
Adding `@nuxtjs/i18n` to Nuxt breaks component types (shows unknown)
types3.xworkaround availablebugupstream
API endpoints useRuntimeConfig(event) throws type errors with nuxt typecheck
types3.xbug🔨 p3-minor