And just one word about a possible timespan for the implementation.
It would even be helpful to extend the build in gate with some expander modes. That should be easier to implement than two stage expanders or the PSE.
Years ago I worked at Siemens in Europe. And they had the slogan „better the second best solution now than the best one never“. Imho that would be also a good slogan for A&H. The last feature update was in April of 2020!