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Silverstripe CMS 5.4 end of life

225days

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    There are 226 days until Silverstripe CMS 5.4 end of life, on Friday, 30 April 2027.

    Silverstripe CMS 5.4 reaches end of life on April 30, 2027: upstream support ends and no further security fixes are expected. It was released on April 10, 2025. Active support ended on April 11, 2026.

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    Worldwide

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    endoflife.date

    Last verified Sep 16, 2026

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