●EXTENSIONS — Vertex AI Extensions is deprecated and shuts down after November 26, 2026. Agent Platform is the migration target●PLATFORM — Vertex AI is now part of the Gemini Enterprise Agent Platform, and features have moved under new names — worth knowing when old doc searches come up empty●SUNSET — Four shutdown dates land in August: Imagen models on the 17th, the Grok 4.1 family on the 20th, Claude 3 Haiku on the 23rd, and gemini-robotics-er-1.6-preview on the 31st●IMAGE — Imagen 4.0 GA endpoints shut down August 17, with gemini-3.1-flash-image as the successor. Measure how the same prompts render before you switch●FLASH — Gemini 3.6 Flash reached GA on July 21 at $1.50/1M input, with output pricing down from $9.00/1M to $7.50/1M●REGION — Gemini Enterprise is generally available in Japan (asia-northeast1) and the UK (europe-west2), on an allowlist basis●EXTENSIONS — Vertex AI Extensions is deprecated and shuts down after November 26, 2026. Agent Platform is the migration target●PLATFORM — Vertex AI is now part of the Gemini Enterprise Agent Platform, and features have moved under new names — worth knowing when old doc searches come up empty●SUNSET — Four shutdown dates land in August: Imagen models on the 17th, the Grok 4.1 family on the 20th, Claude 3 Haiku on the 23rd, and gemini-robotics-er-1.6-preview on the 31st●IMAGE — Imagen 4.0 GA endpoints shut down August 17, with gemini-3.1-flash-image as the successor. Measure how the same prompts render before you switch●FLASH — Gemini 3.6 Flash reached GA on July 21 at $1.50/1M input, with output pricing down from $9.00/1M to $7.50/1M●REGION — Gemini Enterprise is generally available in Japan (asia-northeast1) and the UK (europe-west2), on an allowlist basis