Zwift Support suggested I put this/these here.
TL:DR
With update 1.42, Zwift for Apple TV seems to have broken both aspects of the pairing screen and Zwift’s support for AppleTV connectivity by Ethernet. There are are several issues. I’ll start this one and put the others in replies.
a. The CONNECT WITH PHONE (formerly CONNEC WITH COMPANION] option simply does not work with Zwift 1.42 for Apple TV if the number of BLE connections exceeds ATV’s maximum of two.
If I exceed (in the Zwift app’s opinion) more than two BLE pairings, I receive a [DEVICE LIMIT] popup. If I Click [CONFIRM] to “Would you like to use Zwift Companion to pair your devices,” the page clears all pairings and defaults to [PAIR WITH BLUETOOTH] (See screenshots). This applies even if I’ve already selected [PAIR THROUGH PHONE]