WHAT'S CHANGED SINCE 2.0.9 * Improved stability (PR#13464, 14387, 15712, 15840, 36441, 36496, 38165, 39392, 39431, 39437, 39495, 39500, 39507, 39570, 39577, 39605, 39625, 39639, 39616, 39686, 40164, 40171, 40209, 40243, 40303) * Updates to documentation (PR#12920, 39518, 39519, 39537, 39632, 39675, 39732, 39738, 39739, 39776) * Fixes to bootstrap and compilation (PR#35758, 39390, 39520, 39548, 39600, 39644, 39655, 39722) * Improved networking code (PR#12472, 39492, 39503, 39626, 39692, 39745, 40161, 40319) * Gameplay-related fixes (PR#12500, 39348, 39393, 39472, 39528, 39757) * References to bug report address etc. (PR#39329, 39435, 39463, 39506) * MS Windows specific fixes. (PR#10478, 16824, 36346, 39475) * Fixes to gui-gtk2. (PR#38354, 39126, 39568) * Im