$ diff lib.php libt.php
377c377
<     // Within each maturity, sort by branch desc (3.0 before 2.9).
---
>     // Within each maturity, sort by branch desc (3.0 before 2.9, 3.10 before 3.9).
379c379
<         krsort($candidates[$maturity], SORT_NUMERIC);
---
>         krsort($candidates[$maturity], SORT_NATURAL);
392c392
<         if ((double)$supportedbranch > $targetbranch) {
---
>         if (version_compare($supportedbranch, $targetbranch, '>')) {