To review to original update announcement, see the source post via the developers Facebook page. If you’d like to learn more about the military version of the Accu-sim P-51 Mustang for Prepar3D V4, check out the product sales page.
Changelog information can be found as part of the summary update thread via the official A2A forums. Please note, the aforementioned update thread does address several additional updates, however, for the most part, we have already covered these items. The only update not previously reported is version 18.9.8 concerning the Accu-sim Texan which corrects a minor physics bug.
*Image courtesy of A2A Simulations.