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docs: update Arc Testnet version table to v0.7.2 #199

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a71672b
docs: update Arc Testnet version table to v0.7.2
Jul 9, 2026
23d3f1a
docs: add breaking changes callout for DApp developers
Jul 12, 2026
e22e7fc
docs: clarify gas cap is operator-side and make batch note client-agn…
Jul 12, 2026
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21 changes: 19 additions & 2 deletions docs/installation.md
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Expand Up @@ -15,7 +15,24 @@ Consult the table below to confirm which version to run for each network.

| Network | Version |
|-------------|---------|
| Arc Testnet | v0.6.0 |
| Arc Testnet | v0.7.2 |


> [!IMPORTANT]
> **Breaking changes for DApp developers.** Upgrading your target node to v0.7.2 affects
> applications, not just node operators:
>
> - `eth_call` / `eth_estimateGas` gas cap default lowered from 50M to 30M. Calls or
> simulations that previously relied on the higher cap will fail. Node operators can
> raise the limit with `--rpc.gascap`; DApps should optimize calls to stay within 30M.
> - JSON-RPC batch requests are capped at 100 entries by default. Oversized batches are
> rejected with error `-32600` before any entry runs. Clients with JSON-RPC batching
> enabled should keep batch size at or under 100.
> - Precompile gas accounting changed across v0.7.x (EIP-2929 warm/cold pricing on
> precompile account loads in v0.7.0, gas charging order in v0.7.2). Re-estimate gas
> against an updated node instead of reusing cached or hardcoded values.
>
> See [BREAKING_CHANGES.md](../BREAKING_CHANGES.md#v072) for details.

## Pre-built Binary

Expand Down Expand Up @@ -61,7 +78,7 @@ source "$ARC_HOME/env"
To install a specific version, run `arcup` with `--install`:

```sh
arcup --install v0.6.0
arcup --install v0.7.2
```

Next, verify that the three Arc binaries are installed:
Expand Down