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Our company currently has a MacOS VPN app which contains two network extensions: a packet-tunnel provider and an app proxy provider. Being network extensions, these must be signed by Apple before being used by our customers, and distribution is limited to the Mac AppStore (versions downloaded from there can be pushed using MDM). However, unlike our iOS version, there is currently no way to beta-test our app, because there is no enterprise version or TestFlight-equivalent for Mac that allows Network Extensions. I understand that with MacOS Big Sur, there have been revisions to the Apple Business Manager that will allow for greater flexibility of distribution to corporate clients. I have been unable to find out whether or not network extensions are supported in this. So my questions are: (1) is distribution of network extensions on the Mac platform available now for beta-testers? (2) If so, what is the procedure for doing so? What do I, as an App Developer with an existing product, have to do to make this possible?

I've asked this previously (https://forums.developer.apple.com/thread/90935?q=beta%20distribution%20for%20macos*), but have never received a response, and I wanted to know if anything has changed.We have a network extension (an AppProxy) in commercial distribution for both MacOS and iOS, and one of our customers has a problem that we'd like to fix. We have a candidate fix, but we need to give it to the customer for beta-test on his site. For iOS, this is no problem, as we can use TestFlight. On MacOS, however, there is no way to give the fix to him for testing, as it must either come from the AppStore (network extension requirement) or his machine must be on our developer account as one of ours. This appears to make beta-testing of network extensions on MacOS impractical or actually in violation of the user agreement.Is there some other way we can give a build to the customer to beta-test that avoids these problems? We'd like to beta-test before every app release, but have so far been stymied.Thanks in advance for your responses.