Can repro on Meta on iOS, not seeing any errors in the console.
Confirming the same issue on Android here on Meta.
I fixed the egregious issue with:
I think this may have been caused by @danielwaterworth’s change here:
There is still one more issue open here, when you drag all the way to the bottom timeline does not close (it only closes if you drag to a specific number, not the extra buffer at the end)
@danielwaterworth can you have a look at ^^^^