Rekonq is not using system defined cursor theme for it's zoom in/out + possibly other cursor states. Rekonq should be aware of user customizations. I noticed when testing my own design for xcursors, they show up fine in most other apps (like Firefox) Reproducible: Always
Sorry. I cannot see this problem. Can you please explain a way to reproduce and see the difference with other apps?
Development on Rekonq ceased four years ago, and it has been unmaintained since then. KDE recommends using Falkon instead.