Zed

Developer Tools · AI Coding Agents

Launch

Zed launches Delta, a multiplayer IDE for coding with AI agents

Comments stay anchored to code as it changes, so reviews no longer go stale when an agent rewrites a file overnight.

• Zed unveiled Delta, a multiplayer environment for coding and reviewing work with AI agents, opening a private beta to its first users.
• Zed built its name on a fast, craft-obsessed code editor; Delta is the company's next step, extending that same engineering focus to conversation and review.
• Delta runs on a new system called DeltaDB, which replicates both the git worktree and the conversation in real time for everyone in a thread, while still working with a team's existing git repo.
• Unlike commit-based review tools where comments attach to a snapshot and go stale, Delta anchors comments to live code, whether an agent edited it yesterday or a human wrote it years ago.
• The launch drew over 650 points and 240-plus comments on Hacker News, with some developers pushing back on whether multiplayer editing solves a real pain point.
• As AI agents generate more code than any single developer can track line by line, tools that keep review tied to the reasoning behind a change may matter more than the editor itself.