My apologies if this has been discussed before. About 6 months ago, production switched from using a 20 pin DIP ATTiny2313 to a 20 pin DIP ATTiny4313.
There have been some reports of the legs breaking off much easier on the new ATTiny4313’s. After grinding off the top of the IC, there are rectangular cutouts in the legs. Is this normal? Why are the cutouts there? (See the red arrow in the attached image)
To me, the cutouts weaken the legs.