Hello, thanks for the reply. That was an easy error on my part trying to demonstrate the problem. Thanks for the fix. However, going through this exercise has made me realize that RC doesn't seem to be inside of the Teleport. See the below screenshot of my app instance that is being built from 'runtime-core.esm-bundler.js'. I have a breakpoint on line 4204 which is the mountComponent method. I have it paused where the 'App' component of my real application is being mounted. This is where I have my dialogs and I use the vuex store to show/hide them as they are root to the application. Most of them have the NormalDialog component within them and it lives in the same location as you would think; however, the 'ContentDialog.components.NormalDialog = undefined' while the 'MessageDialog.components.NormalDialog = Object".

Are these better details to try and isolate the problem? Why would the same component be undefined in one component and found in another? Do to workflow, I am using the build --watch flag for my development environment. Could that be the problem?

Originally posted by @Xenoha in https://github.com/vuejs/vue-next/issues/3050#issuecomment-762959902

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