1.16.9 Update

The latest OptiFine 1.16.9 update includes a large number of changes, fixes, and new features.
Some of the major changes in this update are:
- Added new options to the fast graphics settings that allow players to set a custom 1x1 pixel size for their game
- Added new configuration option for the loot tables to allow players to control the probability that an entity drops a certain type of item
- Added new configuration option for the loot tables to allow players to set the maximum stack size that entities can drop
- Added new configuration option for the loot tables to set the maximum stack size that a chest can drop
- Added new configuration option for the loot tables to set the maximum stack size that a crafting table can drop