1) Hold a flint and steel and have a full hotbar;
2) Try to pick (click with the center button of the mouse) a hardened clay block;
3) See it not happening.
Environment
Windows 7
Core 2 Duo
GeForce
MC-74998
Picking block while holding Flint and Steel
Resolved
Duplicate
0
Looks like working as intended, as this is a Dupe of : MC-327