Any item on the blacklist can still be picked up, although it's kinda random. A pretty consistent way to do it is: hold shift down for 1 sec, release shift and immediately after (like 10ms after) right-click and hold (very short hold tho, or else you'll place it right back).
If this doesn't work, just spam shift & right click and it will work after a few tries.
Update: this technique can be used to pick up blocks while also holding an item in the off-hand:
Any item on the blacklist can still be picked up, although it's kinda random. A pretty consistent way to do it is: hold shift down for 1 sec, release shift and immediately after (like 10ms after) right-click and hold (very short hold tho, or else you'll place it right back). If this doesn't work, just spam shift & right click and it will work after a few tries.
Update: this technique can be used to pick up blocks while also holding an item in the off-hand:
Possibly related to #56