Patch 17.12.3 — Microsoft Allegiance Steam update #40322

Happy December! We've got a bunch of bug fixes, and a lot of progress over the last month. Thanks to all of our contributors (that includes all the fine folks working on UI elements, artwork and cores!) Here's the skinny: Gameplay: - New default cargo for most ships. (Radulfr) Training: - Training missions make use of PCore12 (Radulfr) - Various fixes and changes for training mission 6 (Radulfr) - Various fixes and tweaks for training mission 7 (Radulfr) Visuals: - Mines are rendered solid as intended (Rock) UI: - F3 always closes/opens the Command View, regardless of what other windows are open. (Radulfr) - Close windows which prevent toggling the mouse mode back to control the ship. Except for the investment window - it can be kept open while flying. (Radulfr) - The "Join Team" button for NOAT is hidden if already on NOAT. (Radulfr) General Graphics: - Textures are unloaded from regula...