The laminated glass did not fully break. It appears only the inner layer shattered, and cabin pressure was not lost. It has happened before that cockpit window

The laminated glass did not fully break. It appears only the inner layer shattered, and cabin pressure was not lost. It has happened before that cockpit windows have failed at altitude resulting in explosive decompression, and the plane still landed successfully. For example, British Airways Flight 5390: https://en.wikipedia.org/wiki/British_Airways_Flight_5390 https://en.wikipedia.org/wiki/British_Airways_Flight_5390