Let's consider this example (one timeless box and a moving point:
import rerun as rr
rr.init("rerun_example_timeless_vh")
rr.connect()
for i in range(10):
rr.set_time_seconds("time", i)
rr.log("points", rr.Points3D([[i/10, i/10, i/10]]))
rr.log("box", rr.Boxes3D(centers=[0, 0, 0], half_sizes=[1, 1, 1]), timeless=True)
With a starting bound of "beginning of timelines" for VH, the box is visible:
With a starting bound of "current - Xs", the box is not visible...
...unless X=0:

Let's consider this example (one timeless box and a moving point:
With a starting bound of "beginning of timelines" for VH, the box is visible:
With a starting bound of "current - Xs", the box is not visible...
...unless X=0: