Litecoin Core v0.21.3 Release Candidate

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We are pleased to release Litecoin Core 0.21.3 release candidate. This is a new minor version release, including new features and various bug fixes, and important security updates. Litecoin Core version 0.21.3rc3 is now available from:

https://download.litecoin.org/litecoin-0.21.3rc3/

Please test this release candidate throughly, prior to release. 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 an 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.

Test related fixes

• 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:

– The Bitcoin Core Developers
– David Burkett
– Hector Chu
– Loshan
– addman2
– Rafael Sadowski
– rustyx
– NamecoinGithub
– Patrick Lodder

Litecoin Core v0.21.3 Release Candidate was originally published in Litecoin Project on Medium, where people are continuing the conversation by highlighting and responding to this story.