• Added new --no-security-blocking flag to disable/configure security blocking (#12617)
• Added a way to set audit > ignore to act only on audits or only on security blocking (#12618, #12612)
• Fixed config command not being able to set the new audit settings (#12609)
• Fixed handling audit.ignore to support CVE ids while doing security blocking, but advisory IDs are still preferred for performance reasons (#12624)
• Fixed partial updates failing when another package in the lock file has a known security advisory (#12626)

Full Changelog: https://github.com/composer/composer/compare/2.9.1...2.9.2