@RicTa said in WebEngine Nanobrowser not able to pass Antibot Validation: indeed in the meantime I have open this bug here: https://bugreports.qt.io/browse/QTBUG-107451 please let me know in case I made some mistakes in creating it. thanks a lot for you support Thanks! Your bug report looks fine to me, and I see that you are having a productive discussion with an engineer who is working on Qt WebEngine.