404.html

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<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <script>
        const websitePath = window.location.pathname;
        const versionRegex = /(\w.+)\/(latest|([0-9]+)\.([0-9]+)\.([0-9]+)(?:-([0-9A-Za-z-]+(?:\.[0-9A-Za-z-]+)*))?(?:\+[0-9A-Za-z-]+)?)/;

        if (websitePath.search(versionRegex) === -1) {
            let projectName = "aws-lambda-powertools-python"
            // redirect old links to latest version alias
            window.location = websitePath.replace(projectName, `${projectName}/latest`)
        }
    </script>
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</html>