Milestone 6.20.0 Released! (Experimental) — Xenonauts 2 Steam update #391636

This update is also only accessible by switching to our Experimental branches (instructions on how to do so here) - although please be aware they have slower load times and worse performance than normal builds due to the extra logging they contain!This update fixes most of the remaining issues blocking the Milestone 6 public release, but there are still problems with the Abductor UFO outer hull not hiding properly that we need to fix. Hopefully we can finish that up tomorrow and release another quick hotfix, but there's no point holding back this batch of fixes while we wait.Balancing:ENDGAME part 1 reinforcement timer increased by 1 turn, and four extra alien Praetorian-ranked aliens added to the mission. There's also now dedicated spawn points for the enemy noncombatants, so they always spawn inside buildings.Bugfixes:Fixed Sentry Guns being automatically assigned to ENDGAME / UOO miss...