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v13.4.6

Aspire 13.4.6

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Release notes

What's New in Aspire 13.4.6

Patch release for Aspire 13.4 fixing polyglot AppHost code generation binding when CLI and SDK versions diverge, resource service port collision in --isolated mode, and a MongoDB.Driver dependency update.

🐛 Fixes

  • 🔗 Polyglot AppHost code generation silently failed when CLI and SDK versions diverged — Aspire.TypeSystem used a floating strong-name AssemblyVersion that changed with every build. When the installed Aspire CLI was built at a different version than the AppHost's SDK, the CLR couldn't satisfy the strong-name bind and every code generator (TypeScript, Python, Java, Go, Rust) was silently dropped, surfacing as No code generator found for language: <lang>. The AssemblyVersion is now frozen at a stable constant so any compatible CLI/SDK pair on 13.4 binds successfully. Relates to #18110 and #17910. (#18160, @sebastienros)

  • 🔌 Multiple AppHosts started with --isolated collided on the resource service port — Both instances tried to bind to the same fixed port from ASPIRE_RESOURCE_SERVICE_ENDPOINT_URL, causing an "address already in use" error on the second instance. DashboardServiceHost now binds to port 0 on loopback when RandomizePorts is true (set by --isolated), letting the OS assign a unique port per instance. (#18341, @JamesNK)

  • 🍃 MongoDB.Driver updated to 3.9.0 — Removes a wrongly pinned SharpCompress transitive dependency and uses the corrected Snappier transitive. Fixes #17981. (#18279, @Falco20019)

🏷️ Housekeeping

  • 🚀 Bumped branding to 13.4.6 (#18343)

Full Changelog: v13.4.5...v13.4.6

Full commit: 87fe259e4fc244c599019a7b1304c85a1488f248

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