[Standard] Stacks Mainnet - Upgrade to API v9.10.0 & Core v4.0.6

Scheduled for Nov 23, 00:00 - 23:59 UTC

Scheduled

We are upgrading our Stacks Mainnet and Testnet infrastructure to stacks-core v4.0.6 and Stacks Blockchain API v9.10.0. The API release fixes a BNS issue where revealing a namespace with a very large lifetime could cause block ingestion to fail and halt, which would leave API data stale, and adds an event type filter and richer function argument data to v3 transaction endpoints.

During the maintenance window, brief interruptions to RPC and API availability may occur.

RPC Changes:
• GET /extended/v3/transactions/{tx_id}/events — added: a new type filter lets users request only specific event types for a transaction.
• v3 transaction endpoints with include=function_args — changed: each function argument now also returns its ABI name and type. This is additive; existing fields are unchanged.
• BNS namespace and name data — fixed: namespace lifetime and name expire_block values are now capped to the int32 range, so namespaces with extremely large lifetimes are indexed instead of stalling ingestion.

https://github.com/stacks-network/stacks-core/releases/tag/4.0.6
https://github.com/hirosystems/stacks-blockchain-api/releases/tag/v9.10.0
Posted Nov 12, 2026 - 20:10 UTC
This scheduled maintenance affects: Stacks (Stacks - Mainnet, Stacks - Testnet).