Some bitcoin transaction have version 2. For example, this transaction
if you request a hex (by adding
?format=hex for example) and putting it into https://blockchain.info/decode-tx , you get
What does this mean? There are more transactions with version 2 out in the wild, but not that many.
In zcash transactions, version 2 means that the transaction has joinsplits. But I cannot find what it means in bitcoin.