Here we go… this might take a while!
Code:
[20:57:27] [Server thread/INFO]: Forcing world upgrade!
[20:57:27] [Server thread/INFO]: Counting chunks...
[20:57:36] [Server thread/INFO]: Upgrading all chunks...
[20:57:36] [Server thread/INFO]: 0% completed (19 / 321026 chunks)...
[20:57:37] [Server thread/INFO]: 0% completed (46 / 321026 chunks)...
[20:57:38] [Server thread/INFO]: 0% completed (87 / 321026 chunks)...
...
[20:58:11] [Server thread/INFO]: 2% completed (8740 / 321026 chunks)...