> ## Documentation Index
> Fetch the complete documentation index at: https://docs.monad.xyz/llms.txt
> Use this file to discover all available pages before exploring further.

# v0.13.0 (MONAD_NINE)

# v0.13.0 (MONAD\_NINE)

<Warning>
  Please do not proceed until Monad Foundation provides notice.
</Warning>

<Warning title="Hard Fork Release">
  This release activates **MONAD\_NINE** at timestamps (all nodes must upgrade before activation):

  * `1773153000` - `2026-03-10 14:30GMT` (testnet)
  * `1773930600` - `2026-03-19 14:30GMT` (mainnet)
</Warning>

## Instructions for node operators

<Tip title="No configuration changes required">
  This release does not require any `node.toml` or systemctl override changes. It is a drop-in upgrade from v0.12.7.
</Tip>

### 1. SSH into the node as `root` user

### 2. Upgrade monad package

```bash theme={null}
sudo apt update && sudo apt install --reinstall monad=0.13.0 -y --allow-downgrades --allow-change-held-packages
```

### 3. Restart the services and verify

```bash theme={null}
sudo systemctl restart monad-bft monad-execution monad-rpc
sudo systemctl status monad-bft monad-execution monad-rpc --no-pager -l
```

Expected output: All services should show `Active: active (running)`

### 4. Verify the correct version is running

```bash theme={null}
monad-rpc --version
```

Expected output:

```json theme={null}
monad-rpc {"commit":"0a9cbb8227207a7b33ddf5caf7bd796e855df99f","tag":"v0.13.0","branch":"","modified":true}
```

## Patch notes

Please refer to the public changelog for [`v0.13.0`](/developer-essentials/changelog/releases#v0130-monad_nine).

### Key changes in MONAD\_NINE

* **[MIP-3](https://github.com/monad-crypto/MIPs/blob/main/MIPS/MIP-3.md)**: Linear memory implementation
* **[MIP-4](https://github.com/monad-crypto/MIPs/blob/main/MIPS/MIP-4.md)**: Reserve balance precompile
* **[MIP-5](https://github.com/monad-crypto/MIPs/blob/main/MIPS/MIP-5.md)**: Osaka fork (CLZ opcode - EIP-7939)