any armor stand that have "Marker" tag & 1b (or true) are not affected by gravity, even there is no "NoGravity:1b"
this problem affects after 19w05a versions (19w06a~1.14.3pre1)
MC-153914
Marker:1b armor stand not affected by gravity
Resolved
Works As Intended
2
(Unassigned)
Community Consensus
Commands
Minecraft 1.14.2, Minecraft 1.14.3 Pre-Release 1, 1.14.4
Retrieved
I've worked on a datapack using Minecraft Java Edition 1.14.4 (on Windows 8.1, system details: "190823_Marker1b_stand.png") and had a problem with Marker:1b armorstands that were supposed to be effected by gravity (but they didnt fall to the ground, even with "NoGravity:0b").