Merge branch 'dev' into 'master'

Arcturus 3.0.0-stable

Closes #779, #741, #784, #780, #787, #788, #705, #721, #726, #727, #791, #802, #816, #804, #786, #772, #304, #841, #842, #390, #845, #844, #852, #853, #449, #789, #475, #474, #805, #496, #481, #478, #752, #858, #886, #885, #883, #881, #882, #915, #923, #934, #931, #876, #936, #957, and #956

See merge request morningstar/Arcturus-Community!425