Will Roblox make the new 'Build' mobile vibe-coding feature available for testing on July 28, 2026?

🤖 Context

Resolves YES if Roblox Corporation's official Newsroom publishes a post dated July 28, 2026 that explicitly states the 'Build' mobile creation feature launched into testing and is available to creators on July 28, 2026, otherwise NO. Social-media-only posts do not count, and if Roblox's official Newsroom publishes a correction or a dated post on or before July 28, 2026 stating the testing launch occurred on a different date, the market resolves NO.