7.3/7.3.1 was pulled due to a few major bugs. 7.3.2 was released correct those (While unrelated there were some bugs present in 7.2-7.3.2 that were fixed in 7.4.0. 7.4.0 also has a pretty annoying bug but there is a hot fix available for it if you can't support. I have not tested 7.5.0 yet.