Java Edition 18w43c

18w43c is the third snapshot released for 1.14, to fix bugs in 18w43a and 18w43b.

Additions

 * F3 Screen
 * Added server tick-times to alt+f3 charts (in singleplayer)
 * Added min/avg/max tick-times to alt+f3 charts
 * Helps find stutters

Changes

 * Performances
 * Stopped the mob-cap from growing infinitely
 * Improved stuttering in client & server
 * Improved performance