Does Illustrator’s upgrade installer preserve third‑party plugin manifests during a failed upgrade?
When an Adobe Illustrator upgrade fails, users can revert to a previous stable state by restoring the Adobe Illustrator Prefs file or using the Illustrator Recovery folder. However, the upgrade installer does not automatically back up third‑party plugin manifests, which may leave plugin menus missing after a rollback unless the plugin folders are manually co
illustrator