This issue is very important to the technical community

Minecarts do not snap properly to sloped rails which prevents you from stacking them inside each other.

Reproduction Steps

• Build this
  
• Drop a bunch of minecarts on the rail below
• Recreate the same setup but change the bottom rail to a sloped one
• Drop a bunch of minecarts on the rail below

Observed Results

• The minecarts snap properly to the flat rail
  stacking works.mp4
• The minecarts don't snap to the sloped rail
  stacking no worky.mp4

Expected Results

• The minecarts would snap to the sloped rail and stack inside each other