2026.26 Infrastructure Changes — Unique AI Documentation

2026.26 Infrastructure Changes

Changes on Application environment

Change	Environment Variable Name	Application Default Value (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. Note: the flag depends on `FEATURE_FLAG_SAVE_MODEL_USAGE_UN_12832` and `FEATURE_FLAG_SAVE_MODEL_USAGE_DASHBOARD_UN_18889` Read more here: 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 - Read more here
Removed	`FEATURE_FLAG_AGENTIC_TABLE_CONTEXT_UN_14904`	-	-	-	- `backend-service-configuration`	- Removed since feature is GA now - Read more here
Removed	`FEATURE_FLAG_AGENTIC_TABLE_SHEET_METADATA_UN_14904`	-	-	-	- `backend-service-configuration`	- Removed since feature is GA now - Read more here
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
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
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.