As a long time fan of Smart Orchestra (I use it for both live performances and for sketching), I really wish you had your beautiful coronet in here. It is, without a doubt, my favourite sampled instrument you guys have. I do not know why it is never mentioned when discussing the praises of VSL. In one of your videos for the expansion, you asked for instrument suggestions, well, here you go.
In addition to the coronet, Id also like to see a low brass and high brass ensemble in here. They dont need to be separated into different instruments, Trombones and Tubas mixed is just fine for low brass,
Also, phrases, where are the prebuilt phrases? This is a sketching library after all! Runs, rhythmic phrases, prebuilt chord structures, some sort of arp structure. I get it that Synchron isnt built with this functionaility, but you have it in Vienna Instruments Pro, but alas, the choices in Instruments Pro are also lacking. Its a feature with almost no presets. Now, as I understand it, prebuilt phrases are included with your complete libraries, but I do not understand not including them with the starter edition libraries. The starter edition libraries are extremely powerful and short changing them by suggesting that good phrasing just cant be done without the full set of articulations is just untrue. Sonuscore's The Orchestra Complete has fewer articulations than even the special edition core bundles and it has an arpegiiator that is just stunning and so easy to use. You really should purchase a copy of this and take a look at it, as far as orchestral arps go, there really is nothing better.
I have written tons of prebuilt runs and phrases inside of Instruments Pro, including rhythmic, runs, and chorded trills that unfortunately, are suck in Instruments Pro and cannot be used in Synchron Player that I use all the time (I have even written a few canned fanfares that I use for live performances from time to time).