Steps to reproduce:

1. Open attached project using Unity 5.1
2. Open scene "main"
3. Run it
4. Notice that bottom Canvas is enlarged and together with Canvas, text is enlarged, too

5. Open attached project using Unity 5.2+
6. Open scene "main"
7. Run it
8. Notice that although Canvas is enlarged Text isn't shown

Note: This happens with all UI components

Not reproducible: 5.1.4f1
Reproduced with: 5.2.4p1, 5.3.2p2, 5.4.0b5