The Sandbox’s new Studio Beta release sees the company gearing up to support creators as it looks to build momentum for its new AI tools and its ongoing game jams.
The update for Studio is the release of Engine 14, and the headline change is an architectural rewrite. The legacy Actor/SceneComponent framework has been replaced by a unified SceneNode structure.
Under the old system, placing an object in a scene required wrapping it in an Actor container even for simple primitives. Now any node can be a placeable scene root in its own right. It’s the kind of simplification engine teams usually only attempt once they’re confident enough in a platform’s direction to break backward compatibility.
Prefab items get the most creator-facing benefit from the restructuring. They’re now first-class assets that can be created, saved, and edited in place directly within the main scene view. No separate Prefab Editor mode is required. Individual instances can be overridden on the fly without severing their link back to the source prefab, and nested-prefab operations no longer regenerate every GUID on save, which was a known pain point in earlier versions.
For creators building repeatable assets — enemy spawns, modular level chunks — this closes a gap with Unity and Unreal’s prefab systems that Sandbox’s voxel-native tooling never quite matched.
Multiplayer replication has been reworked around ReplicationGroup channels, replacing the prior sync model. The standout new capability is client-targeted spawning. Servers can now spawn networked objects visible only to specific players, useful for instanced loot, private puzzle states, or per-player UI objects.
The AI Assistant has moved from internal-only to public availability across all Studio projects, with a simpler sign-in flow and support for “a variety of the latest agents” via one-click setup. Indeed, Cursor is now the recommended AI provider, and the provider list loads instantly instead of waiting on the network.
Behind it, the Genesys MCP Server — Sandbox’s own Model Context Protocol implementation for AI-driven scene editing — replaces legacy actor-query tools meaning AI agents can now issue multiple scene mutations concurrently rather than serially. This change also suggests The Sandbox is building to enabling third-party AI agents to operate directly on scene graphs, not just a chatbot wrapper.
Two new templates — Side-scrolling and 3rd-person Action — extend Studio beyond its voxel-builder roots toward more conventional genre starting points, alongside multi-object selection, mesh merging, and improved navmesh calculation for nested scenes.
Three breaking changes ship with v14 — the SceneNode tree, ReplicationGroup adoption, and removal of the actorReference property type — confirming this is a hard architectural cut, not an additive patch.
Read the full update notes here.