ethers/v5.4.0 (2021-06-26 01:50)

• Added EIP-1559 support. (#1610; 319987e, 91fff14, c5bca77, 5456c35, 7a12216, e95708e)
• Added effectiveGasPrice to receipt. (ba6854b)
• Fixed ENS names for JsonRpcSigner. (1e31b34)
• Added EIP-2930 and EIP-1559 transaction tests. (7deb4c1)
• Added ConstructorFragment to exports. (7efc36d)
• Added error utilities to Interface. (720bde7, f053a7a)
• merged master including transaction type 0 legacy constant. (#1610; 2a7ce0e)
• Added type to TransactionResponse and TrnsactionReceipt. (#1687; d001901)
• Trap CALL_EXCEPTION errors when resolving ENS entries. (#1690; 91951dc)
• Fixed transaction serialization with explicit null type. (#1628; 8277f5a)
• Fix issue with loading JSON ABI with internalType property. (#728; e8a0144)

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Embedding UMD with SRI:

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