Chunk are not loading when i load the world . It's taking about 1 minute to load (When i say that it's for the first chunk). Did is my computer? In older version it's loading very fast.
Sorry but i quickly search the bug . if it's already resolved/wrotten i so sorry
Please attach the complete output of the "Game Output (Your Minecraft name) " which can be found on the fourth tab of the launcher.
If the launcher closes after game start, please edit your profile and select "Launcher visibility" then, "Keep the launcher open".