Updating from Home Assistant Core 2022.6.7 to 2022.7.3 on my TrueNAS Core Version: TrueNAS-13.0-U1

Installation
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You mentioned you’re on TrueNAS 13.1 but can you say version the jail is trying to use?

Your Home Assistant plugin should be using the 13.1-RELEASE. If not, you may need to refresh the community plugin index.

I’m going to fire up a VM with TrueNAS 13 to have a look.