6 uses of UPDATE_NOT_SUPPORTED in Zircon Profile 8

template_preprocess_update_project_status in core/modules/update/update.report.inc

Prepares variables for update project status templates.

template_preprocess_update_report in core/modules/update/update.report.inc

Prepares variables for project status report templates.

UpdateManagerUpdate::buildForm in core/modules/update/src/Form/UpdateManagerUpdate.php

Form constructor.

update_calculate_project_update_status in core/modules/update/update.compare.inc

Calculates the current update status of a specific project.

_update_message_text in core/modules/update/update.module

Returns the appropriate message text when site is out of date or not secure.

_update_requirement_check in core/modules/update/update.install

Fills in the requirements array.