Please add an API for incognito mode (or private browsing mode), which KDE browsers can use. Otherwise browsers need to use self implemented functions that duplicate functionality of KIO (e.g. proxy support) to avoid saving cookies or history data. Reproducible: Always
Now Rekonq supports proxy in privacy mode browsing. Thanks to all who has looked into this! Look to the source if you need this feature: https://projects.kde.org/projects/extragear/network/rekonq/repository/revisions/13ab976001d2e579ad302c95afc6ea65a61cb4ad