update

Author: manuel-sommer

docs/content/en/open_source/upgrading/2.54.md

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+---
+title: 'Upgrading to DefectDojo Version 2.54.x'
+toc_hide: true
+weight: -20250804
+description: Dropped support for DD_PARSER_EXCLUDE
+---
+
+To simplify the management of the DefectDojo application, parser exclusions are no longer controlled via the environment variable DD_PARSER_EXCLUDE or application settings. This variable is now unsupported.
+From now on, you should use the active flag in the Test_Type model to enable or disable parsers. Only parsers associated with active Test_Type entries will be available for use.
+
+There are other instructions for upgrading to 2.54.x. Check the Release Notes for the contents of the release.