To reproduce:
1. Open attached project
2. Build for iOS
3. Deploy to device in Xcode
4. Open Memory debug window in Xcode
5. Notice how much memory is used
6. Wait a bit (for example 10 minutes)
7. Notice how much memory is used now

Actual behavior: used memory is increasing
Expected behavior: used memory in 5 and 7 steps should be the same

Regression from 5.2 to 5.3

Reproduced with: 2017.1.0f3.

Reproduced with iPhone 4 (iOS 7.0.3)
Not reproduced with iPhone 6+ (8.0)