Bitcoin Core v30.0 is officially released with lower fees, an upgraded wallet and GUI, and an expanded OP_RETURN data limit
The post Bitcoin Core v30.0 is officially released with lower fees, an upgraded wallet and GUI, and an expanded OP_RETURN data limit appeared on BitcoinEthereumNews.com. The anticipated update to the Bitcoin network, Bitcoin Core v30.0, has been officially released and is available for download to node operators. According to release notes shared by Bitcoin Core, the update brings performance improvements and bug fixes. However, many devs and Bitcoin supporters are opposing an update to OP_RETURN, which lets users attach data of up to 100,000 bytes (100KB) instead of the previous 83 byte limit. What are the major changes in Bitcoin Core v30.0? One of the major updates in Bitcoin Core is lower default fees. Nodes can relay transactions between peers with fees as low as 0.1 sat/vB. Miners, on the other hand, will be able to include transactions in the next block with a minimum fee of 0.001 sat/vB. OP_RETURN, which lets Bitcoin users attach data, like special messages, has more room to attach data, from 83 bytes to 100KB. OP_RETURN has multiple outputs instead of the previous single output. The increase in data limit lets users attach hashes, certificates, or even art metadata. Moreover, Bitcoin Core v30.0 no longer supports BDB wallets. Users must migrate to descriptor wallets, which are safer and easier to back up. Wallet commands such as importwallet and dumpwallet are also gone. The update also brings TRUC transactions, which avoid transaction conflicts while they wait for confirmation. Another new command is bitcoin, which simplifies how node operators and miners interact with Bitcoin Core. Also, typing bitcoin node, bitcoin gui, or bitcoin rpc replaces multiple older commands. Miners can connect directly to Bitcoin Core with an experimental PC Mining Interface, which works through local sockets, making block template requests faster. The graphical user interface (GUI) received multiple updates as well. The graphical toolkit was updated from Qt5 to Qt6. Dark mode for Windows users is now supported, and on macOS, the…
BitcoinEthereumNews2025/10/13 06:38