Please consider offering native support of mutual authentication (certificate based) for custom connector security.
Right now, the only available workarounds are using Flow and HTTP action, or using an intermediate API layer – like Azure Function and register the API as a custom connector in PowerApps.
Currently available custom connector security options:
I need this for my integrations for custom connectors as well
Voting this one up. Multiple enterprise customers are interested in this feature.
Please make this, I need this too