The problems that arose were related to the first runs of the G22 and G17 due to Glock putting in the wrong recoil springs. They have since fixed that problem. To date, there have been no further demonstrable deficiencies to arise from the design.
DinanTronics Stage 1 F30 328i M Sport
Dinan 20" Black Performance Wheels
Gunfighter Training Development and Evaluation
AR15/AR10 Armorer/Advanced Armorer
Gunfighter Training YouTube Channel