Why was there a change in the Oracle Cloud URL extension version 25B?

We have some contributors who had the URL:

https://enterprise.oraclecloud.com/obrar.cgi?encreply=6cZmPLr+QhN8b58XTQsWL+x5GVO4dB9GPi4EbfoXreySzNZk+BXFZ9IpcF+PN8GK+FM5hOax+KtJPnuK2xd2kZ8PQGeDuu6QTF8WGrFgXSS4t/yTcb9bKg9Pv6SiJY F20CHQSVWEBwg8ktGnSQuMFgmgMcPJaaX0V5QsPQ+hiqcI/VDhwym3STUMeDmxak7DXoYlUdTk8X0lXhJrEzFuMOGK TLH/j8VePrbjCxYIeaLuHEFUCFP/WrM12bu2Qq30sYutg9al0W6ENsgoQMfngKa+uHjv0aYcrKKXAaJXSZm08+ed9Cl kE9ztC9UFSG2oC4sPrPB+f5nWM0e/4E9FjKvmLkjerYw/Og9Lv8WgYEKgVPZ79h4xs+cW339UqHdmVeviLvsiAcd4Z sdiV/aGdbR4knd7AUye1cO40ZVjYxGqHUKt3l1T6OQcM1FqGTeHJQfxAp2iObc5MECKC7hVZVoDjlk5cllBTIm+e3I d6RHHIDMxwt+j+g076u8BkVwGPH9Mw7LmKqBsuYkK3BKt8XIpIy6YiophIAYRx4YtG005WLo8JvgEMKoJK6tPDLudq 7D5iHTUslIE40I3ZxPU1JHcgWT2S/KfRpmk+k8BI4yg0ypC7VhlvMqIbH/XaAbT5Bwbse3HAaSruBXiZQ6fj6QpyS0b ApK9zxpP6VerBjKEbN9ovCXji77yh0q08qJ4ZyXEruSFPCoXVMcfvF7IyHM8p9hEbW3U7WzZ+H5uZ0TfLZ5RqTgPQS M/oY0WuUZVJeL1d+8eeNVHzeSnrLh3hTHtqjcpPNOdLEqoxRzaSiEqDeEyWubocPMxSAQzESqpd596Wxm5JEbzk3x0 Wordk8MGxSfRD8+fUKe93d12+UgGAZMq7PZiVF5amIglRH7yvLNGfwDZyn+xm+aR4Y8Lr8rgVpPqncyWujjOjlp792 P4HUgueMQZeVgcb7P/ihCEVQdXtoKi4tPo4PZqSTUSJEpYvgilG8VLDPI26Gr+fo/yS14hvP/etQWbgFJkeUJ1IfzDm wy+oTYT2awpC+GxCgDyxbIeSRRGSkrkuTNf5Jh20UGRr7R/Owhkd9CUxPAO43KtBewfq3DgkYyhmxhxIi+eKtvvgxU Du3VeiZbM50AJOX0ELbv4x6kRqqKBBtLHj7TOHz+guRJNOcD9xePxGzBExha13EcW4W/iSXM4H7v6FZXaWLeo+bzlas +VDF2h4j1jgY3/igtD1Ek0MJpi60J9zkwcNbaLvlcRWHAxwYVKl8pBcQ+mnQAEeRuHM+ItGXkbduQySDs/kqb8EqIK ImxEkf16WOExI8pE7U+Rns31QMABMhYtsq0LPXOfdNCr&cksum=69dbd6a966c693ae594eb702c245376c01c25273