Will Conor McGregor announce his retirement from mixed martial arts by December 31, 2026?

Resolves YES if Conor McGregor officially announces his retirement from mixed martial arts via his official social media accounts (e.g., X, Instagram), an official statement through the UFC (ufc.com), or a widely reported and confirmed statement to major sports news outlets (e.g., ESPN, BBC Sport) by December 31, 2026, 23:59 UTC. Resolves NO if no such announcement is made by the specified date.