I have verified that the preview URLs are correct. In my dev environment, custom components are working as expected when running the app via my machine on localhost. I deployed to staging (using main environment on Builder) to test further, and the custom component is not showing up in the visual editor.
Builder content link
Builder public api key
c05b786f1645447ab878b73ca4dd6870
What are you trying to accomplish
I want to use my custom component in the visual editor
Code stack you are integrating Builder with
Angular