Runtime release notification for v2.4.0 [28.08.2026]

Runtime release notification

Hello,

This is to advise you that the Polkadot community is currently voting to upgrade Polkadot system chains and the Bulletin chain to the v2.4.0 release.

This is a major runtime upgrade that adds support for multiple independent Peg Stability Modules (PSM) on Polkadot AssetHub, which can be used to create stablecoins.

The configuration uses a fixed 100 DOT creation deposit, allows up to 5 external assets per PSM, and permits PSM creation by the asset owner or Root.

:construction: Important note for Ecosystem builders: :construction:

This release also enables Phase 1 of the launch of the Bulletin chain by setting the Bulletin chain runtime with storage pallets and business logic. This allows authorized accounts to store data on an ongoing basis within their allowance.

You can find more details about this change here.

The projected enactment date for this runtime upgrade is around 1st September 2026.

Many thanks.

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