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Red Hat OpenShift 4.21 end of life

320days

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    About this moment

    There are 321 days until Red Hat OpenShift 4.21 end of life, on Tuesday, 3 August 2027.

    Red Hat OpenShift 4.21 reaches end of life on August 3, 2027: upstream support ends and no further security fixes are expected. It was released on October 21, 2025. Active support ended on September 9, 2026.

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    Worldwide

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    endoflife.date

    Last verified Sep 16, 2026

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