Navigate the Gemini 2.0 → 2.5 → 3.1 migration path and master Serverless RAG with Cross Corpus Retrieval. Part of the free Vertex AI Academy — every lesson below is open to everyone, no signup required.
Migrating from 2.0 → 2.5 → 3.1 🚨 Gemini 2.0 Retired: As of June 1, 2026 , all Gemini 2.0 models have been officially retired. Any workloads still tar...
Serverless RAG & Cross Corpus The Vertex AI RAG Engine has been upgraded in 2026 to support Serverless RAG Mode (public preview) — a fully managed dat...