v0.4.40 v2.10.0
sveltejs/svelteSep 4, 2026 → Sep 4, 20260 days between releases
What's New
Major version jump adds C# NativeAOT and MCP support, while the older release focused on agent infrastructure.
New Features
- C# NativeAOT monomorphized dispatch
- MCP support on Maincloud
- Cluster-aware routing for MCP requests
- Egress tracking for MCP tool calls
- Read replica infrastructure
Improvements
- NativeAOT dispatch eliminates virtual dispatch overhead
- Removed unused exact search counts
- Relaxed WebSocket claim polling to 3 minutes
Bug Fixes
- TypeScript SDK websocket error handling
- C++ auto-increment macro symbol collisions
- Preserve presence for hidden private runtimes
Upgrade Notes
Note: The provided release notes describe different software products (agent/platform vs SpacetimeDB). Ensure you are upgrading the correct repository.
The Two Releases
v0.4.40
Sep 4, 2026· 2 months ago
Significant architectural updates include renaming agent task records to runs, merging built-in skills into a single platform skill, and implementing a read replica infrastructure.
Full release notesRelease v2.10.0
Sep 4, 2026· 2 months ago
This release introduces C# NativeAOT optimizations, adds Model Context Protocol (MCP) support to Maincloud, and fixes several bugs in the TypeScript SDK, C++ macros, and development tools.
Full release notes