Oh, we know what happened, *technically* speaking. Chamberlain shut off the API for its garage-door openers, which breaks their integration with home automation systems like #HomeAssistant. The company even announced that it was doing this, calling the integration an "unauthorized usage" of its products, though the "unauthorized" parties in this case are the people who own Chamberlain products:
https://chamberlaingroup.com/press/a-message-about-our-decision-to-prevent-unauthorized-usage-of-myq
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