For developers:

The information in the above table is obtained dynamically, using cURL in PHP against the BibleGet metadata endpoint.

<?php
//TODO: cache the results in a transient so we don't make a call to the endpoint every time the page is loaded
$bibleversions_by_lang = &#91;&#93;;

$ch = curl_init();
curl_setopt($ch, CURLOPT_URL, 'https://query.bibleget.io/v3/metadata.php?query=bibleversions');
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
curl_setopt($ch, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_1_1);
$result = curl_exec($ch);
curl_close ($ch);

$bibleversions = json_decode($result);

foreach($bibleversions->validversions_fullname as $key => $value){
    $version_info = explode("|",$value); //fullname | year | language
    $copyrighted_version = false;
    if(in_array($key,$bibleversions->copyrightversions)){
        $copyrighted_version = true;
    }
    $version = new stdClass();
    $version->abbrev = $key;
    $version->fullname = $version_info[0];
    $version->year = $version_info[1];
    $version->language = Locale::getDisplayLanguage($version_info[2], $locale);
    $version->iscopyrighted = $copyrighted_version;
    array_push($bibleversions_by_lang,$version);
}

usort($bibleversions_by_lang, fn($a, $b) => strcmp($a->language, $b->language));
$version_languages = [];
foreach($bibleversions_by_lang as $bibleversion){
    array_push($version_languages,$bibleversion->language);
}
$version_languages = array_unique($version_languages);
?>
<table id="BibleVersionsTable" style="font-size:.8em;">
<thead>
    <tr><th colspan="2" style="text-align:center;font-size:1.5em;padding:12px;"><?php pll_e("Bible versions available, by language"); ?></th></tr>
    <tr>
        <th></th>
        <th>
            <table class="BibleVersionTable">
                <colgroup>
                    <col span="1" style="width: 10%">
                    <col span="1" style="width: 27%">
                    <col span="1" style="width: 8%">
                    <col span="1" style="width: 8%">
                    <col span="1" style="width: 27%">
                    <col span="1" style="width: 10%">
                    <col span="1" style="width: 10%">
                </colgroup>
                <thead>
                    <tr>
                        <th class="rotate"><div><span><?php pll_e("Abbreviation"); ?></span></div></th>
                        <th class="rotate"><div><span><?php pll_e("Full Name"); ?></span></div></th>
                        <th class="rotate"><div><span><?php pll_e("Year"); ?></span></div></th>
                        <th class="rotate"><div><span><?php pll_e("Copyright"); ?></span></div></th>
                        <th class="rotate"><div><span><?php pll_e("Copyright holder"); ?></span></div></th>
                        <th class="rotate"><div><span><?php pll_e("Canon"); ?></span></div></th>
                        <th class="rotate"><div><span>Imprimatur</span></div></th>
                    </tr>
                </thead>
            </table>
        </th>
    </tr>
</thead>
<tbody>
    <?php 
    foreach($version_languages as $language){
        echo "<tr><td>$language</td>";
        echo "<td><table class=\"BibleVersionTable\">";
        echo "<colgroup>";
        echo "<col span=\"1\" style=\"width: 12%;\">";
        echo "<col span=\"1\" style=\"width: 27%;\">";
        echo "<col span=\"1\" style=\"width: 8%;\">";
        echo "<col span=\"1\" style=\"width: 5%;\">";
        echo "<col span=\"1\" style=\"width: 27%;\">";
        echo "<col span=\"1\" style=\"width: 16%;\">";
        echo "<col span=\"1\" style=\"width: 5%;\">";
        echo "</colgroup>";
        echo "<tbody>";
        foreach($bibleversions_by_lang as $bibleversion){
            if($bibleversion->language === $language){
                echo "<tr>";
                echo "<td><a href=\"$bibleversion->abbrev/\">$bibleversion->abbrev</a></td>";
                echo "<td>$bibleversion->fullname</td>";
                echo "<td>$bibleversion->year</td>";
                echo "<td>" . ($bibleversion->iscopyrighted?"&#169;":"")."</td>";
                echo "<td>" . $bibleversion->copyright_holder . "</td>";
                echo "<td>" . $bibleversion->canon . "</td>";
                echo "<td>" . $bibleversion->imprimatur . "</td>";
                echo "</tr>";
            }
        }
        echo "</tbody></table></td></tr>";
    }
    ?>
</tbody>
</table>