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In this episode of “The Van Wirdum Sjorsnado,” hosted by Aaron van Wirdum and Sjors Provoost discussed the newly released Bitcoin Core 0.21.0.
Bitcoin Core 0.21.0 is the 21st and latest major release of Bitcoin Core software, the oldest and most important Bitcoin node implementation, often also considered as the operating reference for the Bitcoin protocol.
Led by Bitcoin Core 0.21.0 release notes, van Wirdum and Provoost discussed the most important changes of this release. These include the new mempool policy for replay transactions, Tor v3 support, peer anchors when node restarts, BIP 157 (Neutrino) for light clients, the new testnet called Signet, BIP 339 (wtxid relay), Taproot code, RPC changes including new dispatch RPC, ZeroMQ, descriptor wallets, the new SQLite database system and the satoshi-per-byte fee denomination.
For each of the new features, the hosts discussed what the features are, how they will change using Bitcoin (Core) and – where applicable – what the end goal is. (In the development of Bitcoin Core, new features are often part of a larger process.) For any feature they discussed on a previous episode of “The Van Wirdum Sjorsnado,” they also mentioned the relevant chapter number.
Learn more about Bitcoin Core 0.21.0 release notes.