Trigger Release v1.2.8 (polkadot-fellows#374)

Triggers the release of
polkadot-fellows#358 to reduce costs
to run the Ethereum client.

CHANGELOG.md

@@ -4,13 +4,22 @@ Changelog for the runtimes governed by the Polkadot Fellowship.
 
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/).
 
-## [Unreleased]
+## [1.2.8] 03.07.2024
 
 ### Changed
 
 - Polkadot chains: allow arbitrary XCM execution ([polkadot-fellows/runtimes#345](https://github.com/polkadot-fellows/runtimes/pull/345))
 - Snowbridge: Sync headers on demand ([polkadot-fellows/runtimes#345](https://github.com/polkadot-fellows/runtimes/pull/365))
 
+Note: This release only affects the following runtimes and is not a full system release:
+
+- Polkadot Relay Chain
+- Polkadot Asset Hub
+- Polkadot Bridge Hub
+- Polkadot Collectives
+- Kusama Relay Chain
+- Kusama Bridge Hub
+
 ## [1.2.7] 14.06.2024
 
 Note: This release only affects the following runtimes and is not a full system release:

system-parachains/asset-hubs/asset-hub-kusama/src/lib.rs

@@ -112,7 +112,7 @@ pub const VERSION: RuntimeVersion = RuntimeVersion {
 	spec_name: create_runtime_str!("statemine"),
 	impl_name: create_runtime_str!("statemine"),
 	authoring_version: 1,
-	spec_version: 1_002_008,
+	spec_version: 1_002_006,
 	impl_version: 0,
 	apis: RUNTIME_API_VERSIONS,
 	transaction_version: 15,

system-parachains/collectives/collectives-polkadot/src/lib.rs

@@ -115,7 +115,7 @@ pub const VERSION: RuntimeVersion = RuntimeVersion {
 	spec_name: create_runtime_str!("collectives"),
 	impl_name: create_runtime_str!("collectives"),
 	authoring_version: 1,
-	spec_version: 1_002_006,
+	spec_version: 1_002_008,
 	impl_version: 0,
 	apis: RUNTIME_API_VERSIONS,
 	transaction_version: 7,