So, you're saying it likely won't be fixed until stable v7 comes out? That's worse than Ubiquiti!
I'm saying that if it is caused by one of these Linux GPL customizations that they haven't made yet, they will most likely only fix it when they feel it is getting closer to a stable release. If they integrated the customizations too early, and decided to update the Linux kernel version closer to the ROS v7 release, they may have to redo a lot of the work of integrating their customizations and testing them against the new kernel since changes made to the Linux code in the meantime may conflict with some of their customizations.
Obviously, one question is how close are they getting to a stable release - at the rate it has been going, I wouldn't be surprised to see one in early 2022.
I do expect there would be at least one or two beta v7 releases that have such customizations integrated prior to the first stable release.