v20.14.0

Feat

• feat: add POST /transaction/metadata-blob endpoint for RFC-0078 merkleized metadata support (#1886) (64c1bdd)
  • Returns minimal metadata ("metadata blob") needed by offline signers to decode transaction payloads
  • Returns metadata hash for the CheckMetadataHash signed extension
  • Supports both full extrinsic (tx) and extrinsic parts (callData, includedInExtrinsic, includedInSignedData)
  • Requires V15 metadata on the connected chain
• feat: add useRcBlockFormat query parameter for RC block response formatting (#1872) (59b88c9)
  • When useRcBlock=true and useRcBlockFormat=object, wraps response in an object containing rcBlock info and parachainDataPerBlock array
  • Adds IRcBlockInfo and IRcBlockObjectResponse types
  • Supports blocks, accounts, and pallets controllers

Chore

• chore(deps): bump lru-cache from 11.2.4 to 11.2.5 (#1882) (de0c540)
• chore(deps): bump lodash from 4.17.21 to 4.17.23 (#1878, #1879, #1880)
• chore(deps): bump tar from 7.4.3 to 7.5.6 in /docs-v2 (#1874, #1877)
• chore(deps): bump node-forge from 1.3.1 to 1.3.3 in /docs-v2 (#1871) (a80cbee)
• chore(deps): bump qs from 6.14.0 to 6.14.1 (#1866, #1867)
• chore(deps): bump actions/download-artifact from 6 to 7 (#1859) (43cf9fe)
• chore(deps): bump actions/upload-artifact from 5 to 6 (#1858) (d0ceac5)
• chore(deps): bump actions/cache from 4 to 5 (#1857) (ba363e5)

Compatibility

Tested against the following node releases:

• Polkadot v1.21.0 (Polkadot stable2512)
• Kusama v1.21.0 (Polkadot stable2512)
• Westend v1.21.0 (Polkadot stable2512)

Tested against the following runtime releases:

• Polkadot v2000001
• Kusama v2000004
• Westend v1021000
• Polkadot Asset Hub v2000003
• Kusama Asset Hub v2000004