Introducing Finish Changes and Outlines, now available in Gemini Code Assist extensions on IntelliJ and VS Code

2026-03-10 · Source: Google Developers Blog - AI · Field: Technology & Digital — Software Development & Engineering, Artificial Intelligence & Machine Learning · Depth: Intermediate, short

Summary

Google has released two new features, Finish Changes and Outlines, for its Gemini Code Assist extensions in IntelliJ and Visual Studio Code, powered by Gemini 3.0. These tools aim to reduce developer friction by shifting AI interaction from prompt engineering to contextual in-editor programming. Finish Changes acts as an AI pair programmer, completing code modifications based on partial code, pseudocode, or comments, and supporting workflows like implementing pseudocode, applying patterns, following instructions via `// TODO:` comments, and refactoring. It uses other open files for context and presents changes as a diff. Outlines generates concise, high-level English summaries interleaved directly within source code, improving code comprehension. It offers full file explanations, interactive navigation to corresponding code blocks, and customizable visibility, with outlines easily regenerable to stay synchronized with code changes.

Key takeaway

For Software Engineers seeking to accelerate coding and comprehension, integrating Gemini Code Assist's new features can significantly enhance productivity. Utilize Finish Changes to automate repetitive coding tasks and complete partial implementations without extensive prompting. Leverage Outlines to quickly grasp complex codebases and navigate files, reducing ramp-up time and improving overall code understanding within your IDE.

Key insights

Gemini Code Assist features streamline developer workflows by integrating AI directly into the editor for code completion and comprehension.

Principles

• "Show, don't tell" for AI code generation
• Contextual AI interaction reduces friction
• Interleaved summaries improve code comprehension

Method

Finish Changes observes in-progress code to complete tasks, while Outlines generates and interleaves high-level summaries directly within the code for improved understanding.

In practice

• Use pseudocode for AI-driven implementation
• Demonstrate patterns for repetitive changes
• Generate outlines to understand new codebases

Topics

• Gemini Code Assist
• AI Pair Programming
• Code Comprehension
• Developer Tools
• Gemini 3.0

Best for: Software Engineer, Machine Learning Engineer, AI Engineer

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Editorial summary, takeaway, and curation by AIssential. Original article published by Google Developers Blog - AI.