Summary
Cursor 3.3 introduced a new PR review surface, faster plan execution through async subagents, and a built-in flow for splitting changes into separate pull requests. The update also adds quick-action skill pins and expands subagent controls.
What changed
Cursor 3.3 added PR review, build-in-parallel plan execution, and split-PR workflows inside the product.
Why it matters
This bundles more of the end-to-end coding workflow into Cursor itself, from planning to execution to review. It also shows async subagents moving from experimental pattern to mainstream product feature in AI coding tools.
Evidence excerpt
Cursor's 3.3 changelog says the release adds a new PR review experience, builds plans faster by multitasking across tasks with async subagents, and can split changes into PRs.