macOS desktop apps can now be built and published again

Status: Fixed
Fixed in: v26.8.3
Source discussion: https://forum.objo.dev/d/763-cannot-build-any-program-on-mac
Last updated: 2026-08-05

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Public summary

Objo Studio 26.8.1 cannot build macOS desktop applications because packaging fails while signing a managed runtime assembly such as System.IO.dll. Desktop Build and signed Publish should produce a working self-contained .app without code-signing errors.