This decision wasn't taken overnight. Since 2021, Canada and Turkey have been engaged in regular dialogue on export controls with a view to building confidence and greater co-operation. As a result of that three-year long dialogue and of commitments received from Turkey, Canada decided to revert to the long-standing practice of reviewing export permit applications for group 2 exports on a case-by-case basis, including for military items, so every export application is reviewed.
On February 28th, 2024. See this statement in context.