#Home Assistant vs zwave-js-ui firmware update procedures

1 messages · Page 1 of 1 (latest)

tulip hatch
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I'm curious, if I'm using the zwave integration on HA and connecting it to zwave-js-ui, when I perform a firmware update, what is actually doing the update from HA's perspective. Is HA making a call to the zwave-js-ui API or is HA handling any portion of it on it's own? When I I click on the device to do a firmware check, I get the spinning indicator, but no update. I have an issue open on the zwave-js-ui github related to this where it's unaware of my region and sending a null for the rfRegion and failing. What I'm trying to understand here is if it failing in HA is the same issue or a separate one. Thanks

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solemn remnant
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HA never talks to Z-Wave JS UI, it talks to the zwave-js-server embedded in the application.

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(applies to Z-Wave integration, not MQTT)

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HA does not explicitly set any region when it checks for updates, in fact none of the APIs in the stack currently support it (zwave-js-server -> python library -> HA).

tulip hatch
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Thank you for the reply. Any reason that the update would be hanging there? There are 2 more firmware updates since the one listed there, current is 4.60.0.

tulip hatch
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Also, is it possible I'm not being pedantic enough and that I'm conflating zwave-js-server and zwave-js-ui? Is what you are calling zwave-js-server in the same stack with HA or is it in the same stack as zwave-js-ui? Sorry for the lame question.

solemn remnant
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I don't know why it's showing the progress icon.

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zwave-js-server is a websocket server that HA uses to talk to the driver. ZUI merely hosts it.

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ZUI is a javascript (node.js) application, as-is zwave-js-server

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Did you initiate an update from ZUI? The progress might correspond to that.

tulip hatch
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This is why I'm asking

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If HA isn't doing it's own poll for the firmware version and it's all happening in zwave-js-server, then it's all connected

solemn remnant
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there's no polling, ZJS sends update messages

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err, for update progress I mean. HA polls for firmware updates once a day or something.

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if you trigger the update in ZUI then it will send progress to HA

tulip hatch
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Ok, so I think this is connected to rfRegion being null on my end.

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Thanks for confirming

solemn remnant
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ZJS must have sent a firmware update progress message

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Looking at the code, that progress icon would only be set when the integration sets the update "in progress", which is only triggered from an event from ZJS

tulip hatch
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It's when I click on "firmware" in the device in HA that I see that. There are no firmware upgrades happening currently and nothing has been triggered in ZJS

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Clicking on "firmware" right there

solemn remnant
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Are you sure you didn't start an update from ZUI?

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What's the in_progress attribute of the update entity in Dev Tools States?

solemn remnant
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It could also be due to missing release notes

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That box is supposed to show them

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I think that's the more likely explanation.

solemn remnant
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Oh, I just checked my HA install (still 2025.4.2). I see the same icon. Has nothing to do with your situation then.

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The integration is just not setting any release notes unless there's an update available. Spinner is shown in that case.

tulip hatch
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Interesting. The spinner implies a hang in my mind, so it was a little confusing. I was starting it and looking at logs, dns queries on my dns server, etc and didn't see anything.

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Either way, thank you for checking and for the explanations, super helpful.

solemn remnant
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I'd say it's a bug