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spacetimedb-update-x86_64-pc-windows-msvc.exe 2026-08-18 5.2 MB
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README.md 2026-08-17 2.3 kB
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Features

Claude Plugin

SpacetimeDB now ships a Claude plugin alongside the existing Codex plugin, bundling agent skills and the MCP server for Claude users. Install with:

:::bash
claude plugin marketplace add clockworklabs/SpacetimeDB
claude plugin install spacetimedb@spacetimedb-plugins

Note: SpacetimeDB MCP is not yet available for Maincloud.

(#5672)

Bug Fixes

Fix "accessor" name migrations

Renaming a table accessor (the name parameter in #[table] or [Table]) previously did not update the internal st_*_accessor tables during auto-migration. This caused a runtime panic on the next module call because the module depends on accessor names to invoke exposed ABIs. The migration system now detects accessor name changes and applies them.

(#5544)

Fix C# HTTP timeout clamp

The C# runtime's HttpClient.MaxTimeout was incorrectly set to 500 ms instead of the host-enforced limit of 180 seconds. C# modules performing HTTP requests via procedures would time out prematurely for any request exceeding half a second. The clamp now matches the host maximum.

(#5751)

Performance

C# runtime buffer reuse

C# module FFI exports now reuse buffers when consuming BytesSource values instead of allocating fresh byte arrays per call. Benchmarks show 3-29% speedups for iteration and argument deserialization workloads on .NET 10 NativeAOT-LLVM. This is safe as long as Wasm module execution remains single-threaded.

(#5530)

What's Changed

  • Fix "accessor" name migrations in #5544
  • Fix C# HTTP timeout clamp in #5751
  • Reuse C# runtime buffers (Update [#2151] to post .NET 10) in #5530
  • Create Claude Plugin in #5672

Full Changelog: v2.8.1...v2.8.2

Source: README.md, updated 2026-08-17