The “Who Needs Rockets?” advancement considers any upwards motion after a wind charge blast to be valid, even if it is from creative flight, teleportation, upwards swimming/bubble column, a ladder, etc. It would be expected that only natural motion would be tracked for this purpose.
To reproduce
Go to a flat, open area with sky access
/advancement revoke @s only minecraft:adventure/who_needs_rockets/give @s minecraft:wind_chargeEnter creative flight
/execute positioned over motion_blocking run teleport @s ~ ~ ~Throw the wind charge directly downwards
Fly at least 7 blocks upwards (see also MC-304935)
Descend slightly
❌ You will be granted the "Who Needs Rockets?" advancement.
Hi!
Could you please upload a video of this issue?
Does this issue occur on the newest snapshot?
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