Cursor August 13, 2026 Changelog

This update is a big deal for developers using Cloud Agents to code in the cloud. Instead of making the AI set up a fresh workspace every single time you ask it to do a job, Cursor now prepares a ready-to-use copy of your environment ahead of time. This means less waiting for you and a safer, more reliable experience for your AI assistant.

What's new

• Builds: Think of a "build" as a snapshot of your workspace with all your code and tools already installed. Cursor now creates these in the background so your AI agent can jump right into a ready environment instead of building one from scratch every time.
• Builds Dashboard: There is a new "Builds" tab in your Cloud Agents menu. You can check if a build succeeded, read error logs, see exactly which code changes (commit SHAs) were used, and view which build an agent is currently using.
• Agent Build Tools: Your AI agents can now look at and manage these builds on their own using their built-in tools.

Improvements

• Way faster startup: Because environments are already set up, they boot 10x faster. The time it takes for the AI to start generating its first word (the "first token") is 3x faster.
• Smarter setup commands: You can now put things that take a while to install into your "install command" (which runs ahead of time). Your "start command" is now reserved just for turning on things that need to be totally fresh for that specific session.
• Crash protection: If a bad piece of code or a bad update breaks your environment, the AI won't get stuck. It will automatically use the last successful build, tell you about the problem, and keep working while you fix the bug in the background.

Fixes

• Fixed an issue where a broken code update or bad dependency (an external software library your project relies on) would completely crash an agent's workspace. Now, broken builds are blocked from ever becoming active, so your AI can keep working without crashing.

Breaking changes

No breaking changes in this release.