higher draw distance prevents chunk loading

Put the summary of the bug you're having here

after setting the game's memory usage to 4 gigs (I had previously tried 2) and change the draw distance to 32 chunks, I expected the game to render out 32 chunks away from me, but instead it ceased loading chunks beyond the original 16 away, and when I flew around to the edge I found that I was able to freely fly down into the void without the chunks that should have been there loading, or any others loading for that matter.

this problem persisted even after reducing the draw distance back to 16 or below

Steps to Reproduce:
1:set maximum memory usage to 4 gigs
2:set draw distance to 32
3:move around