Unity Security Vulnerability

CRT has been updated to address a critical security vulnerability in Unity (with a CVE (Common Vulnerabilities and Exposure) level of 'high'. There is no current alert regarding web/browser deployments, but better to err on the side of caution to head off potential concerns at a later date.
Read more here.

It should be noted that, per Unity, "Note: There is no evidence of any exploitation of the vulnerability, nor has there been any impact on users or customers," and hopefully it was discovered and patched before being exploited.