My first attempt on UE 4.22 preview 3 was not a good experience. There are visually several differences, mostly regarding illumination, planar reflections, surface is too flat, changes on lights crash, changes on ocean type crash, so maybe will be mentally healthier wait to the final 4.22 release instead of trying fixing things as it is for now. The errors are not in the plugin portion, so this is good news. There is a portion of code inside Advanced Buoyancy (because of changes on the rendering module) which will deprecate in 4.23, meaning a simple recompilation won’t work until the code is fixed and I hope to leave this fix done in 4.22 before 4.23 coming out. I will still send bug reports to Epic as much as I can, so I hope they don’t rush the release before fixing the issues.