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Litecoin Core version 0.21.3 is now available from:

https://download.litecoin.org/litecoin-0.21.3/.

This is a new patch version release that includes, new features and important security updates.

Please report bugs using the issue tracker at GitHub:

https://github.com/litecoin-project/litecoin/issues

Notable changes

Important Security Updates

This release contains fixes for CVE-2023-33297, which allows attacker to cause a remote bandwidth and cpu denial of service. This attack has been exploited in the wild.

2170c24: backported from Bitcoin Core v24.x

New MWEB features

215edcf - 1049218: add MWEB light client p2p messages. This implements LIP006.
4c3d4f2: adds new NODE_MWEB_LIGHT_CLIENT service flag. Enables BIP157/158 blockfilters by default (opt-out by default).

Build changes

bf355d2: rename the PID file to litecoind.pid
5ac7814: improve build instructions for unix systems
24a0299: fix building with Boost 1.77+
a376e2e - 0698e23: build changes for macOS. Primarily updates macOS build SDK to Xcode 12.1, increasing minimum macOS version to 10.15.6. These changes fix an issue where Litecoin-Qt UI may not appear as expected on macOS 14+.
41b4c16: fixes builds on Alpine Linux/musl.

53dbe58: fix tests, disabling unused test and missing expected values
8e16ef3: fixes macOS test, issue #942.
260de84: run secp256k1-zkp tests. fixes bench test and secp256k1 test.
c2a4fc3: fixes another secp256k1-zkp test
c2a4fc3: disabled run_schnorrsig_tests() in secp256k1-zkp.
7e3c1f5: disable secp256k1-zkp openssl test, fixing make check on macOS.

Credits

Thanks to everyone who directly contributed to this release:

2.4 KiB Raw Blame History