CONFIRMEDDate confidence: CONFIRMEDStated as firmHow firmly the source words the date: confirmed, scheduled, estimated, delayed or unverified.Show all CONFIRMED pins80% CONFIDENCEOverall confidence: 80%How well the pin's source and references back up its dates.Weighted average of how firmly 4 references, the source included, support the pin's start and end times; a reference counts half as much for every 180 days older than the newestShow all pins at 75% confidence or better
The Antigravity[1] post is dated 18 November 2025 and says "Today, we are introducing Google Antigravity", with public preview available from that day.Google launches Antigravity, an agent-first development platform with an editor, an Agent Manager and a browser-controlling agent, free in public preview alongside Gemini 3.
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