Update 1.9, also known as Battle at Big Rock Update was a free update for Jurassic World Evolution that was released on August 27, 2019. It added the Nasutoceratops and fixed various issues and bugs.
- Autocancel active research if the research centres requirement is not met. Add an extra line when deleting research centres to warn of this.
- Fixed tutorial soft lock.
- Fixed incorrect dinosaur label when attempting to transport a dinosaur immediately after being notified that a Ranger/ACU tasks are full.
- After deleting a save, remain on the same tab on the load/save UI, don't switch back to the default tab.
- Palaeobotany feeder UI will now automatically close the more details tab to avoid focus issues.
- Fixed erroneous 'medication successful' message when medication is not researched.