Elementary Knightship found in Conway's Game of Life
From the comments in the link:  FlameandFury » March 6th, 2018, 11:52 pm
  
  I don't know when people started seriously searching for 
  knightships, but this is the first elementary spaceship to 
  have a new slope in 48 years. As well, it's been 14 years 
  since the almost-knightship was discovered. Congrats!

Its a long time coming! Congrats!