During the software life cycle, the number of latent defects is expected to

לפי גרף האמבטיה בטווח הרחוק מספר הבאגים דווקא כן עולה...

"Latent Defect is one which has been in the system for a long time; but is discovered now. i.e. a defect which has been there for a long time and should have been detected earlier is known as Latent Defect. One of the reasons why Latent Defect exists is because exact set of conditions haven’t been met." http://www.careerride.com/Testing-latent-vs-masked-defect.aspx