GitHub experienced a major platform outage affecting web access, APIs, Actions, Pull Requests, and critical services (SAML, OIDC, SCIM, Copilot) starting 20:40 on August 17, 2026 (Thailand time). At reporting time, ~20% of API calls and ~50% of repository downloads remained impaired. This directly impacts Thai developers and tech SMEs relying on GitHub for continuous deployment, version control, and collaborative development workflows.