In both 3.3 and 3.4 there is a small bug i saw on the contact page.
I you fill date of birth of a user in profile settings and then show the profile to contact page by connecting a user to a single contact (where the display settigns is set Tabs) the date of birth will show everywhere.
Below you can find the screenshot:

same issue with sliders
| Category | ⇒ | Front End |
| Status | New | ⇒ | Confirmed |
| Labels |
Added:
?
|
||
| Title |
|
||||||
| Status | Confirmed | ⇒ | Closed |
| Closed_Date | 0000-00-00 00:00:00 | ⇒ | 2015-07-05 17:47:11 |
| Closed_By | ⇒ | zero-24 |
Confirmed here