# 2025.20 Infrastructure Changes

## New Models: [Copy link to this section](https://docs.unique.ai/it-operators/installing-and-upgrading-unique/release-notes-and-calendar/release-notes-2025/release-2025-20/2025-20-infrastructure-changes#new-models)

| **deployment_name**            | **Reference in code**      | **sku_type**   | **Location**                                | **Applications** |  
| ------------------------------- | --------------------------- | --------------- | ------------------------------------------- | -----------------|  
| `gpt-4o-2024-11-20`           | `AZURE_GPT_4o_2024_1120`   | `Standard`      | Switzerland only replacing the sweedencentral version | node-chat       |  
| `o3-2025-04-16`               | `AZURE_o3_2025_0416`       | `GlobalStandard` | Global(East Us 2)                          | node-chat       |  
| `o4-mini-2025-04-16`          | `AZURE_o4_MINI_2025_0416`  | `GlobalStandard` | Global(East Us 2)                          | node-chat       |

## 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-2025-20/2025-20-infrastructure-changes#changes-on-application-environment)

| **Change**                                            | **Name**                              | **Default** | **Example**                                                | **Required**                        | **Applications**         | **Short Description**                                                                                      |  
| ---------------------------------------------------- | ------------------------------------- | ----------- | ---------------------------------------------------------- | ----------------------------------- | ------------------------ | ---------------------------------------------------------------------------------------------------------------------- |  
| Added                                                | `FILE_UPLOAD_METADATA_REQUIRED_FILTERS` | _unset_    | `'{
