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chore(runtime): set spec_version to 9262 for the 12s->6s upgrade#4048

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chore/spec-version-9262
Jun 22, 2026
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chore(runtime): set spec_version to 9262 for the 12s->6s upgrade#4048
Kailai-Wang merged 1 commit into
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chore/spec-version-9262

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Follow-up to #4042. That PR set spec_version to 9270; this aligns it with the 0.9.26 release series instead — on-chain is 9261, so this uses the minimal valid increment 9262.

No functional change: block time (6s), the one-shot migrations, and all behaviour are identical. Only the spec_version value (heima + paseo) and the comments that referenced 9270 are updated.

Note: the node/client is intentionally not bumped — this upgrade touches only the parachain runtime (no node changes, no host-function changes since v0.9.25-01), so existing collators pick up 6s automatically via the runtime-provided slot duration. The GitHub release can stay in the v0.9.26-0x tag series.

Verified: cargo fmt --check and cargo check -p heima-runtime pass.

The block-time PR bumped spec_version to 9270; align it with the 0.9.26
release series instead (9261 on-chain -> 9262, the minimal valid increment).
No functional change — block time, migrations, and behaviour are identical;
only the version number and the comments that referenced 9270 are updated.
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heima-aa-demo-app Ignored Ignored Jun 22, 2026 9:46pm

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@Kailai-Wang
Kailai-Wang merged commit 54f8ec2 into dev Jun 22, 2026
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Kailai-Wang deleted the chore/spec-version-9262 branch June 22, 2026 21:47
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