[Urgent] Scheduled: BSC Testnet - Upgrade BSC Client to v1.7.1

Scheduled Maintenance Report for Quicknode

Completed

The scheduled maintenance has been completed.

Posted Mar 17, 2026 - 13:59 UTC

In progress

Scheduled maintenance is currently in progress. We will provide updates as necessary.

Posted Mar 17, 2026 - 12:00 UTC

Scheduled

Urgent maintenance will be performed during the scheduled maintenance window to upgrade the BSC client software.

**Client Updates:**
- BSC: Upgrading to v1.7.1

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**Release Notes Summary:**

**BSC Chapel Testnet — Osaka/Mendel Hardfork Upgrade**

- **Hard Fork Deadline:** BSC Chapel testnet Osaka/Mendel hardfork activates at **2026-03-24 02:30:00 UTC**
- **Security Fix:** CVE-2026-24051 patched via OpenTelemetry dependency upgrade
- **RPC Fix:** Gas limit check corrected in the trace API (`debug_traceTransaction` and related trace methods)
- **RPC Fix:** Fee history response accuracy corrected (`eth_feeHistory`)

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**Additional Information:**
- Full release notes:
- https://github.com/bnb-chain/bsc/releases/tag/v1.7.1

Posted Mar 16, 2026 - 10:36 UTC

This scheduled maintenance affected: BNB Smart Chain (BSC) (Testnet — JSON-RPC API, Testnet — WebSocket API).