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Known Issues

tree-sitter-language-pack: C# support removed (upstream bug)

C# support was removed from cx because tree-sitter-language-pack has a persistent bug where the C_SYMBOL_OVERRIDES table (mapping csharp → c_sharp) is generated at build time from sources/language_definitions.json, which is not included in the crates.io package. This causes download/load failures for any language with a c_symbol override (csharp, vb, embeddedtemplate, nushell).

  • v1.2.0–1.3.1: tarball uses raw names, download works, but get_language needs a symlink hack.
  • v1.3.2+: tarball switched to c_symbol names, download silently extracts nothing.

C# support can be re-added once the upstream fix lands.

Tracking: xberg-io/tree-sitter-language-pack#80

tree-sitter-language-pack: cache invalidated on every crate version bump

The grammar cache is keyed by CARGO_PKG_VERSION (e.g. ~/Library/Caches/tree-sitter-language-pack/v1.3.1/libs/). Every crate version bump creates a new empty cache directory, forcing re-download of all grammars.

Workaround: cx calls configure() at startup with a custom cache dir (~/Library/Caches/cx/grammars/ on macOS) to bypass the version-keyed path entirely. Grammars survive crate version bumps.

Status (2026-03-28): Issue #84 was closed as completed on 2026-03-26, but tested v1.3.3 and the cache is still keyed by CARGO_PKG_VERSION. Not fixed upstream.

Tracking: xberg-io/tree-sitter-language-pack#84