Opticell

{
    "currentVersion": "4.3.1",
    "releaseDate": "2025-09-04",
    "updateAvailable": true,
    "updateRequired": false,
    "minimumVersion": "1.0.0",
    "updateMessage": "Version 4.3.1 is now available with important improvements and bug fixes.",
    "changelog": {
        "features": [
            "Letter generation",