In the new 1.11 Snapshot 16w39a That multiple locations that if I place regular Coal in the Furnace it crashes the game. Yet I can use Block Of Coal in it without any issue.
Linked issues
Comments 4
Do not mark issues as private unless they pose a legitimate security risk within the game. Game crashes are not problems that require them to be marked as private.
Additionally this is a duplicate of MC-107392 which has already been fixed in later snapshots. Please use the search function to see if the issue has already been reported and make sure that its still an issue in the latest snapshots first.
Please do not mark unreleased versions as affected.
You don't have access to them yet.