At its core, VS Code is built on an open source project called Code OSS, published under the permissive MIT license.
In the June 2025 update (v1.102), Microsoft Visual Studio Code puts GitHub Copilot front and center, with improvements spanning Copilot Chat, inline code completions, and editing workflows. These ...
VS Code 1.105 also introduces a built-in MCP server marketplace and allows users to resume recent Copilot Chat sessions.