Bitcoin Core version 30.0 is now available, marking the project’s first major release since v29 and closing the book on legacy branches 27.x and older, which are now designated “End of Life.” The maintainers’ release notes state plainly: “With the release of this new major version, versions 27.x and older are at ‘End of Life’ and will no longer receive updates.” The new binaries and full notes are live on the project site, with the team also posting a brief launch confirmation on X.

Bitcoin Core V30 Is Here

The most disputed change in v30 is a policy update around OP_RETURN—the script path used for provably unspendable outputs that can carry arbitrary data. Bitcoin Core has raised the default -datacarriersize limit to 100,000 bytes and now permits multiple data-carrier (OP_RETURN) outp

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