Users are upgrading to Unifi Protect 3.x and finding it has backwards incompatible changes which break the integration.
The latest firmware for Unifi Protect devices contains backward incompatible changes that are incompatible with older versions of Home Assistant. To avoid disruption, upgrade to Home Assistant 2024.3.2 or later before upgrading Unifi Protect to 3.x.
Users are upgrading to Unifi Protect 3.x and finding it has backwards incompatible changes which break the integration.