Two potential issues have been identified in vBulletin 5.3.2 and higher. The first affects the template rendering functionality and could lead to arbitrary file deletion. The second allows the possibility of remote file inclusion via the legacy routing system on Windows servers. We have applied fixes for these issues. It is recommended that you apply this patch as soon as possible. To do so, download the patch for your version from https://members.vbulletin.com/patches.php and upload the files to your server. Overwrite the existing files with the new ones. If you have not...
vBulletin Mobile 1.18 is now available to all customers. To obtain the new build, you need to visit the Mobile Publisher in your Member's Area. Rebuild your apps to apply the changes. This new version includes new features and bug fixes.
Event support for sites running vBulletin 5.3.4 and higher has been added. Users will be able to export calendar events into their device's calendar app.
Administrators and Moderators can now ban troublesome users directly from the App. This should allow you to maintain your site better while on the go.
Google has announced that Recaptcha version 1 will be shut down on March 31, 2018. We encourage people who are still using it to upgrade to Recaptcha version 2 (https://www.google.com/recaptcha/intro/) as soon as possible. Recaptcha version 1 will be removed from vBulletin starting in the 5.4.0 release.
We have no current plans to update ReCaptcha on vBulletin 4.2.X.
As of this writing there are reportedly working , free, ReCaptcha 2 add-ons for VB 4.x and 3.x on vBulletin.org though you need to read through the entire threads to get any fixes available for them to work on the...