Minecraft Version

1.21.x

Mod Loader Version

Fabric Loader 0.16.10

Mod Version

1.2.16

Describe the Issue

Ex 1:
STR: Hold left shift and hold left click.
Expected behaviour: Sneak and mine block
Actual behaviour: Player sneaks but does not start mining

Ex 2:
STR: Hold left click and hold left shift. Release left click and left shift.
Expected behaviour: Player stops sneaking and mining.
Actual behaviour: Player stops sneaking but continues mining.

latest.log

latest.log

Mod Menu is in my log but is not related to the issue

Do you use any other mods except the required ones?

JEI

And you think it is BackSlots fault?

Just to be clear, is this my or JEI's fault?

Seems to be a JEI issue? mezz/JustEnoughItems#3922