# 2025.18 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-2025-18/2025-18-infrastructure-changes#changes-on-application-environment "Copy link to this section")

| **Change** | **Name** | **Value** | **Applications** | **Short Description** |
|------------|----------|-----------|------------------|-----------------------|
| Added      | `PDF_READ_MODE` | "DOC_INTELLIGENCE_DEFAULT" | node-ingestion | This is used to set Microsoft Document Intelligence (MDI) as the default ingestion mode for all ingestion processes on MT/ST platforms<br>This can only be set if MDI is provisioned and available |
| _Added_   | `ENABLE_UTF8_ENCODING_LLM_REQUESTS` | "false" | node-chat<br>node-ingestion | This is used to encode the body of the request sent to the LLMs with UTF8 characters |
| _Added_   | `FEATURE_FLAG_ABOUT_SPACE_SECTION_UN_10270` | "false" | next-chat | This is used to display the context window on a chat page that allows users to chat against selected knowledge |
| Removed    | `FEATURE_FLAG_MAGIC_TABLE_SHARING_UN_10687` |           | next-chat | Remove the sharing feature flag in US tenant |
| _Added_   | `AMQP_URL` | see other services that use it (e.g.: ingestion-worker) | node-scope-management | Adds the AMQP_URL to scope-management that needs it |