Minecraft wiki entry for Historical_effects, associated text: Piston sounds lost precision somewhat at high distances which can be detected by ear - from my memory it affects 1.4 but was fixed in or before 1.6
Further research is needed into mob spawning and pathfinding precision loss and its overall history - will likely require direct analysis of spawning/pathfinding code. Pathfinding was definitely broken in 19w08b
Test item frame drop location throughout history
MC-205680. 