v2.10.0 v4.20.1
low risk
ruvnet/RuViewSep 4, 2026 → Sep 4, 20260 days between releases
What's New
The newer release (FastMCP) fixes HTTP authentication, while the older release (SpacetimeDB) introduced NativeAOT monomorphization and MCP support.
Bug Fixes
- Emit WWW-Authenticate header on 401 errors when OAuth is not configured
Upgrade Notes
These releases belong to different repositories (SpacetimeDB and FastMCP). No upgrade path exists between them.
The Two Releases
v2.10.0
Release v2.10.0
Sep 4, 2026· 2 months ago
This release introduces NativeAOT monomorphization for the C# SDK and brings Model Context Protocol (MCP) support to Maincloud, enabling direct connections for AI agents.
Full release notesv4.20.1
v4.20.1
Sep 4, 2026· 2 months ago
Fixes HTTP authentication behavior by ensuring the WWW-Authenticate header is emitted correctly on 401 errors when OAuth is not configured.
Full release notes