We have actually done Ubuntu versions from time to time, generally on demand. One possible problem with Ubuntu is that the rate of change (in terms of numbered versions) seems higher than for RHEL/CentOS. The last one I did (which didn't seem that long ago) was for Ubuntu 13 (and now we're up to 18).
But, it's generally a pretty easy operation and I'm happy to do it. Just tell me which version you're interested in.
As for static linking, for years we did a static linked version (dubbed "generic"), motivated by the same reasoning you suggest. And I think it was successful, at least within a distance between the compile/link environment and the runtime environment. But then we had a few incidents where version such discrepancies led to harder-to-diagnose, or otherwise nastier-than-usual problems, at least compared to the what normally happens in those situations with the dynamic-linked version (i.e., generally it won't load at all because of a library linking failure). And I guess that soured me on the theory of a static-linked executable being more stable or resilient.
But it's a simple linker option switch, so if you want to experiment with it under WSL, I'll be happy to release a static version.
I haven't played with the WSL yet, but perhaps that would be a good place to start!
