The "Umemaro 3D Blog" refers to the official platform of Umemaro 3D

• Deployed to staging: March 23, 2026.
• Smoke-tested staging; promoted to production: March 25, 2026 at 10:40 UTC.
• No downtime observed; deployment via CI pipeline (Git commit: abc123def — merge PR #42).

Rollback plan

• First Contentful Paint (FCP) improved by ~18% on 3D pages.
• Average memory usage reduced ~22% on sample scene.