fix(desktop): add single-instance plugin to prevent multiple windows #6966
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When launching the desktop app while plugins are loading slowly, multiple instances could spawn because there was no single-instance guard. This caused 10+ windows to open continuously on Windows. This fix adds tauri-plugin-single-instance which: - Prevents multiple app instances from running - Focuses existing window when user tries to launch another instance - Unminimizes window if it was minimized Fixes #XXXX
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The following comment was made by an LLM, it may be inaccurate: Potential Duplicate FoundPR #6926 - "fix(desktop): add single-instance protection to prevent multiple app spawns" Why they're related:Both PRs are addressing the same problem: preventing multiple instances of the desktop app from spawning simultaneously. They appear to be implementing the same solution using the Action required: Check if PR #6926 is already merged or open, and consolidate efforts if both are addressing the same issue. |
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ruuxi
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Jan 7, 2026
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Problem
When launching the desktop app on Windows with plugins that take time to load (like oh-my-opencode), multiple instances spawn continuously because there's no single-instance guard. This causes 10+ windows to open.
Solution
Add
tauri-plugin-single-instancewhich:Changes
packages/desktop/src-tauri/Cargo.toml: Addtauri-plugin-single-instance = "2"packages/desktop/src-tauri/src/lib.rs: Initialize single-instance plugin with focus handlerTesting
Fixes #6965