# 2026.26 Infrastructure Changes

## Changes on Application environment

| **Change** | **Environment Variable Name** | **Application Default Value**<br>**(if env variable unset)** | **Example** | **Required** | **Applications** | **Short Description** |
|------------|-------------------------------|----------------------------------------------------------------|-------------|--------------|------------------|----------------------|
| Added      | `FEATURE_FLAG_MODEL_USAGE_LIMITS_UN_18889` | `false` | `true` | - | - `backend-service-configuration` | Allows setting limits for model usage. <br>**Note**: the flag depends on `FEATURE_FLAG_SAVE_MODEL_USAGE_UN_12832` and `FEATURE_FLAG_SAVE_MODEL_USAGE_DASHBOARD_UN_18889`<br>Read more here: [Model Usage and Cost Management](https://docs.unique.ai/administrators/models-llm-management/model-usage-and-cost-management). |
| Removed    | `FEATURE_FLAG_AGENTIC_TABLE_ENABLE_NEW_SHARING_UI_UN_16758` | - | - | - | - `backend-service-configuration` | - Removed since feature is GA now<br>  <br>- Read more [here](https://docs.unique.ai/users/spaces/agentic-table) |
| Removed    | `FEATURE_FLAG_AGENTIC_TABLE_CONTEXT_UN_14904` | - | - | - | - `backend-service-configuration` | - Removed since feature is GA now<br>  <br>- Read more [here](https://docs.unique.ai/users/spaces/agentic-table) |
| Removed    | `FEATURE_FLAG_AGENTIC_TABLE_SHEET_METADATA_UN_14904` | - | - | - | - `backend-service-configuration` | - Removed since feature is GA now<br>  <br>- Read more [here](https://docs.unique.ai/users/spaces/agentic-table) |
| Added      | `FEATURE_FLAG_AGENTIC_TABLE_METADATA_FORM_UN_17903` | `false` | `true` | false | - `backend-service-configuration` | Enables optional, space-configured metadata fields on the Agentic Table new-sheet flow; the form is shown only when configured in advanced settings. Read more [here](https://docs.unique.ai/administrators/space-management/create-spaces/agentic-table-space) |
| Added      | `FEATURE_FLAG_AGENTIC_TABLE_CAN_ANSWER_ROLE_UN_21308` | `false` | `true` | false | - `backend-service-configuration` | Enables Can Answer role for Agentic Table. Read more [here](https://docs.unique.ai/users/spaces/agentic-table) |
| Added      | `FEATURE_FLAG_ENABLE_FULL_WIDTH_SCROLL_UN_19453` | `false` | `true` | false | `web-app-chat` | Allows tables and charts in chat responses to render wider than the chat message width, up to the window width.