[MC-161341] Chunk borders are not shown even after pressing F3+G

When I pressed F3+G to see the chunk borders nothing happened.

Well, looks like I'am gonna have to manually search for slime chunks...

Environment

Java 8 update 221 (64-bit), Windows 10 Pro V.1809

Thank you for your report!
We're actually already tracking this issue in MC-161279, so I resolved and linked this ticket as a duplicate.

If you would like to add a vote and any extra information to the main ticket it would be appreciated.

If you haven't already, you might like to make use of the search feature in the future to see if the issue has already been reported.

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