Offical LineageOS 18.1 was released today, with support for the OnePlus 5T on lanuch. The OnePlus 6T should be supported shortly, with the offical OxygenOS Android 11 release incoming as well.
As such, work has been started on porting WundermentOS to 18.1. The 5T will be the first device to receive it, hopefully by the May security update.
Once the 5T is support, the 6T should follow closely behind.
In addtion, work on supporting the OnePlus 8T as well as the Pixel 4 has been started and will appear sometime after updates to LineageOS 18.1 for the 5T/6T are complete.