diff --git a/changelogs/unreleased/add-ci_variables-environment_scope-mysql.yml b/changelogs/unreleased/add-ci_variables-environment_scope-mysql.yml
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+---
+title: Remove duplicated variables with the same key for projects. Add environment_scope
+  column to variables and add unique constraint to make sure that no variables could
+  be created with the same key within a project
+merge_request: 12363
+author: