Affects Version/s: Minecraft 1.7.2, Minecraft 1.7.4, Minecraft 14w04b, Minecraft 14w28b, Minecraft 1.8, Minecraft 1.8.1-pre3, Minecraft 1.8.3, Minecraft 1.8.8, Minecraft 15w35b, Minecraft 15w35c, Minecraft 1.10.2, Minecraft 1.11, Minecraft 1.11.2, Minecraft 17w14a, Minecraft 17w15a, Minecraft 1.12.2
Fix Version/s: Minecraft 17w43a
Environment:Windows 7, Oracle Java 1.7.0_25
If Mouse Button 4 is mapped to "Use Item/Place Block" the sneak-click functions do not work. The click appears to be ignored as it doesn't trigger the non-sneak function either.
I have not done exhaustive testing, but from what I can tell this only affects Mouse Button 4. Mouse Buttons 2 (of course), 3, and 5 work normally, as do keyboard keys.
Edit: updated Description and Summary to reflect better information
"Use Item" bound to NUMPAD0; When I sneak (using the RSHIFT key) I can't shoot a bow, open a chest, or place a block. Basically, anything that requires the "Use Item" function.