User-Agent:       Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:44.0) Gecko/20100101 Firefox/44.0
Build Identifier: LibreOffice 5.1.0.3

I just updated to 
   Version: 5.1.0.3
   Build ID: 1:5.1.0~rc3-0ubuntu1~wily0
   CPU Threads: 4; OS Version: Linux 4.2; UI Render: default; 
   Locale: en-GB (en_GB.UTF-8)
On Ubuntu Wily and notice tab headings not showing.
Not critical, but not pretty either.



Reproducible: Always

Steps to Reproduce:
1. Open new document
2.Insert Frame
3. Right click 'Properties' (aim to add borders - not available in side bar)
Actual Results:  
Properties dialogue box opens but all heading tabs are blank.
See JPG attached


[Information automatically included from LibreOffice]
Locale: en-GB
Module: TextDocument
[Information guessed from browser]
OS: Linux (All)
OS is 64bit: yes


Reset User Profile?No