# 2025.24 Infrastructure Changes

## Changes on Application environment [Copy link to this section](https://docs.unique.ai/it-operators/installing-and-upgrading-unique/release-notes-and-calendar/release-notes-2025/release-2025-24/2025-24-infrastructure-changes#changes-on-application-environment "Copy link to this section")

| **Change** | **Name** | **Default** | **Example** | **Required** | **Applications** | **Short Description** |
|------------|----------|-------------|-------------|--------------|-------------------|-----------------------|
| Added      | `FEATURE_FLAG_USER_API_KEY_GENERATION_UN_11416` | `"false"` | “true”      | No           | - next-chat<br>  <br>- next-knowledge-upload<br>  <br>- next-theme<br>  <br>- next-admin  | This feature flag enables a user to generate a personal API key to use across all the apps.<br>`APP_REPOSITORY_BACKEND_API_URL` must be set for this feature to work. |
| Added      | `APP_REPOSITORY_BACKEND_API_URL` |             | `https://gateway.qa.unique.app/apps` | Yes          | - next-chat<br>  <br>- next-knowledge-upload<br>  <br>- next-theme  | This env variable contains the backend URL for the app repository. |
| Added      | `FEATURE_FLAG_PERMISSION_PROPAGATION_KB_UN_11168` | `”false”` | `”true”`    | No           | - next-knowledge-upload | This env variable controls whether users with knowledge.write role and write access can view and modify access. Also whether chat.admin.all role can and read access can modify access. See details here [2025.24 Feature Flag Scope Access](https://docs.unique.ai/it-operators/installing-and-upgrading-unique/release-notes-and-calendar/release-notes-2025/release-2025-24/2025-24-feature-flag-scope-access) |