@MojangSupport I don't know if I should file a bug report since I can't reproduce it, but on April 29th I had a Librarian villager offering me Toolsmith trades (coal/shovel)pic.twitter.com/7D4XvRlJTA
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If you think you've found a bug, please visit https://bugs.mojang.com/secure/Dashboard.jspa … and report it so that the developers can see. ^TK