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Tools2026-06-13 · source-backed
Announced at Google I/O on May 19 and detailed here, the harness added parallel-task subagents, cross-platform terminal sandboxing, credential masking, and hardened Git policies. In early June, Google reset Gemini quota counters to zero for everyone and shipped a refreshed Gemini 3.5 Flash build. The sandboxing and credential masking are the interesting part. Harnesses are quietly adopting production-grade safety defaults instead of leaving them to you.
Each link below shares sources, entities, or timing with this story.
Gemini built by Google / Shared entities / Shared topic / What happened next / Tension
Linked by a graph relationship (Gemini built by Google); both cover Antigravity, Flash, Gemini, Google; overlapping topics (antigravity, flash, gemini, google).
Gemini built by Google / Shared entities / Same source / Shared topic / What happened next
Linked by a graph relationship (Gemini built by Google); both cover Antigravity, CLI, Google; cite the same source (here).
Gemini built by Google / Shared entities / Shared topic / Earlier coverage
Linked by a graph relationship (Gemini built by Google); both cover Antigravity, Flash, Gemini, Google; overlapping topics (antigravity, flash, gemini).
Codex competes with Gemini / Shared entities / Shared topic / What happened next
Linked by a graph relationship (Codex competes with Gemini); both cover CLI, Flash, Gemini, Google; overlapping topics (google, harness).
Gemini built by Google / Shared entities / Shared topic / What happened next / Tension
Linked by a graph relationship (Gemini built by Google); both cover Flash, Gemini, Google; overlapping topics (flash, gemini, google).
Codex competes with Gemini / Shared entities / Shared topic / Earlier coverage
Linked by a graph relationship (Codex competes with Gemini); both cover Antigravity, CLI, Gemini, Google; overlapping topics (antigravity, google).
Gemini built by Google / Shared entities / Shared topic / What happened next
Linked by a graph relationship (Gemini built by Google); both cover Flash, Gemini, Google; overlapping topics (flash, gemini, google).
Linked by a graph relationship (Gemini built by Google); both cover Flash, Gemini, Google; overlapping topics (flash, gemini, google).