# Beta v3

## New

* Hedera Network selection: Mainnet (new), Testnet, Previewnet
* Core open-source Guardian Upgrade v2.8 to v2.11
* Self-custody of keys via MGA Vault
* High Availability
* Improved DB CPU consumption
* More pre-loaded open-source policies

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This will only cover what is new and improved with the Managed Guardian Service. For the full changelog and release notes on the open-source Guardian please visit: <https://github.com/hashgraph/guardian/releases>
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