I have a FBX model with several animations and for some reason each animation got a delay, like they are placed one after another (notice a duration here):

I tried converting it with fbx2gltf, didn't succeeded to actually render it yet but at least timings look fine:

Here's the model (pass: fbxbug):
And here's how one of animations looks like compared with Autodesk FBX Review:
Screen Recording 2019-09-19 at 19.44.06.zip
Thanks for sharing your model @alexkuz.
Can you confirm whether this is the same issue as #14894 ?
Ah, yes, it does look very similar.
You can close this one as a duplicate, I guess :)
Most helpful comment
Ah, yes, it does look very similar.
You can close this one as a duplicate, I guess :)