Increase of OP_RETURN limit

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Developer Greg Sanders stated the removal of this limit provides tangible benefits, including a cleaner Unspent Transaction Output (UTXO) set and more consistent behavior
Bitcoin Core 30 will raise the OP_RETURN transaction data limit significantly, expanding it from 80 bytes to approximately 4 MB
Gloria Zhao, a Bitcoin Core developer, highlighted that the change addresses harmful mismatches in data-storage techniques currently in use
Developer Peter Todd, who initiated the proposal, argued that bypassing the previous limit aligns with existing transaction practices

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