The Upgrade Pain: "Command not found" You have migrated your tauri.conf.json to v2 format, updated your Cargo dependencies, and the application builds. But the moment your frontend attempts to interact with the system—reading a file, opening a dialog, or persisting store data—the console throws a rejection: IPC Connection Error: Command not found or Permission Denied . In Tauri v1, security was managed via a straightforward allowlist in tauri.conf.json . You toggled fs: { all: true } , and your app had access. In Tauri v2, this entire section is deprecated and non-functional. The allowlist has been replaced by an Access Control List (ACL) system based on Capabilities . If you do not explicitly define a capability set and map it to your application window, your frontend is effectively sandboxed from the Rust backend. Root Cause: The Shift from Config to Capabilities Tauri v2 decouples core features into standalone p...
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