Root cause of gh (and other native executables) hanging on Windows (Go 1.25 regression, fixed in Go 1.25.6)

[yotsuda]

Symptom: gh and other Go-based native executables hang indefinitely when called from invoke_expression in an interactive PowerShell session.

Fix: Update gh to 2.87.0 or later. For other affected tools, rebuild with Go 1.25.6 or later.

---

Thanks to @doraemonkeys for sharing this in #36.

The hang is caused by a Go 1.25 regression (golang/go#76391): Go 1.25 introduced a blocking call against the stdin handle during process startup, which conflicts with PSReadLine holding the same handle on the main thread. The process hangs before main() is reached. This is why piping empty input (e.g. "" |) works as a workaround — it replaces the inherited console handle with a pipe.

The fix was backported to Go 1.25.6 (CL 724640, golang/go#76392). For gh users specifically, gh 2.87.0 is the first release built with Go 1.25.7 and is no longer affected. The broader issue remains open in golang/go#76391 for Go 1.27.

If you are on gh 2.86.0 or earlier, prepending "" | gh is an effective workaround. The same applies to other Go-based tools until they are rebuilt with Go 1.25.6 or later. You can also tell your AI assistant about this workaround so it applies it automatically when invoking affected tools.