Lava and Crying obsidian particles freeze in place after hitting a block

Lava and Crying obsidian particles freeze in place after hitting a block

 -Remaining problems are so small we will not fix it for now. Will possibly be fixed in future rewrites of particle systems. (slicedlime posted this comment at MC-164824)

If that is one of those small bugs and it might get fixed, can I have this ticket postponed?