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A one-click in-UI node upgrade is planned. Until then, delete-and-redeploy is the supported path for moving a node to a different client version.

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See a node’s current version

Open the node from Nodes, then the Configuration tab. The Clients section lists one card per role (for a single-client chain like Bitcoin that’s just node; for Ethereum it’s the execution and consensus clients), showing the client name and the running version, e.g. v1.17.3.

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Move to a different version today

There is no in-place version swap yet, so changing a client version means redeploying:
  1. Delete the node. On the node detail page, click the Delete button (top right), then confirm in the dialog. This tears down the running node; deletion cannot be undone, and the data directory is not preserved.
  2. Redeploy with the new version. Go to Nodes → Deploy node and step through the wizard, selecting the version you want. In the Target step, each role’s version dropdown lists exactly the versions the chosen executor declares for that chain and client — filtered by any per-network constraint, so a network that requires a minimum client version won’t offer older ones.
Because the data directory is not kept, the redeployed node syncs again — from genesis or, where the chain supports it, from a checkpoint (Ethereum consensus clients accept a checkpoint-sync-url). Plan for the resync time, especially on mainnet. To roll back a misbehaving release, redeploy the same way onto the older version.

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If the version you want isn’t offered

A node can only run what its executor supports — the wizard offers exactly the chains, clients, and versions that executor has declared. If the target version isn’t in the dropdown, upgrade the executor first; newer executor releases ship newer client coverage. You can review what an executor currently supports on the Executors page.

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Coming soon: in-UI node upgrade

A one-click in-UI node upgrade is planned, letting you move a node onto a new version directly from its detail page. Until it ships, delete-and-redeploy is the supported path.