It would appear that long time users of the rather old but still really nice AI traffic pack Ultimate Traffic 2 will get a replacement soon. On the closed support forum, only accessible for registered owners of Ultimate Traffic 2, developer Steve Halpern announced that beta testers are needed. This was posted quite some time ago, so they have probably filled
UPDATE AT 1350z Version 2.52 has now been uploaded to the website, and the activation issues have now been resolved. We are awaiting a change list, but for now, head over to SimTweaks to download your new version of PTA for P3Dv4. - Original Article - In an email from Matt Davies he informed customers of activation issues regarding PTA.