Merge branch 'confident-ai:main' into main

Author: A-Vamshi

fern/assets/changelog/2025-11-28.png

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+---
+tags: ["Evals", "Prompts"]
+---
+
+## Gemini Rising
+
+TGIF! Thank god it's features, here's what we shipped this week:
+
+New model support and Arena improvements! Gemini joins the party, and the Arena just got more flexible with variable mapping.
+
+### Added
+
+- **Gemini Support** - Google's Gemini models are now available for evaluations. Test your prompts against the latest from Google.
+- **Arena Variable Mapping** - Map your test case variables to prompt placeholders. Makes testing prompt variations a breeze.
+- **Arena Endpoints** - New API endpoints for programmatic Arena access. Automate your prompt testing workflows.
+
+### Changed
+
+- **Improved Model Selection** - Cleaner UI for picking which model to use. All your options, clearly organized.
+- **Better Trace Display** - Trace details now render more cleanly, especially for long outputs.