[Standard] Scheduled: Stellar Mainnet - Upgrade Horizon to v23.0.0

Scheduled Maintenance Report for QuickNode

Completed

The scheduled maintenance has been completed.

Posted Aug 27, 2025 - 05:02 UTC

In progress

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

Posted Aug 27, 2025 - 00:00 UTC

Scheduled

Scheduled maintenance will be performed during the maintenance window.

**Client Updates:**
• Horizon: Upgrading to v23.0.0

**Release Notes Summary:**
**Network Protocol Upgrade - Protocol 23**
- Stellar network upgraded to Protocol 23

**API Changes**
- Added new optional field `destination_muxed_id` in `/operations` endpoint asset_balance_changes section for muxed account destinations
- Removed `errorResultXdr` field from async transaction submission endpoint responses
- Removed `num_archived_contracts` and `archived_contracts_amount` fields from `/assets` endpoint responses
- Added support for diagnostic events and unified events in transaction metadata when verbose meta is enabled (CAP-67 implementation)

**Additional Information:**
• Release notes: https://github.com/stellar/go/releases/tag/horizon-v23.0.0

Posted Aug 19, 2025 - 05:26 UTC